Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Ochlockonee - St. Coastal Watershed ENRX3: PCT ≤ 0.70 ENRX3 (PCT) 4 1 19-0513 Wakulla 1089 East River Estuary 2 Nutrients (Total Nitrogen) Medium exceedances for the sample size. This parameter is being added to the Marks and Apalachee Bay mg/L 7/29 Verified List and the department is requesting EPA add it to the 303(d) List. Exceeds Shellfish Choctawhatchee - Evaluation & Listed based on shellfish harvesting classification of prohibited by Shellfish 2 3 10-0495 St. Andrews Bay Bay, Calhoun, Gulf 1111 Sandy Creek Stream 2 Bacteria (in Shellfish) Low N/A St. Andrew Assessment Section Environmental Assessment Section (SEAS) of the Department of Agriculture. (SEAS) thresholds Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0496 St. Andrews Bay Bay, Calhoun, Gulf 1111 Sandy Creek Stream 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=6/12 St. Andrew List. Choctawhatchee - Sandy Creek (Shellfish This waterbody is impaired for this parameter based on the number of 3 3 16-0486 St. Andrews Bay Bay 1111A Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 11/38 St. Andrew Portion) exceedances for the sample size and is being added to the 303(d) List. Ochlockonee - St. 2 1 09-1996 Wakulla River Wakulla 1124 Big Boggy Branch Stream 3F Fecal Coliform > 400 Counts/100 ml Low PP = 4 / 17; VP = 6 / 20 Marks Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0504 St. Andrews Bay Bay 1128 Pretty Bayou Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=9/12 St. Andrew List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This parameter exceeds the listing threshold and will be added to the 303(d) Choctawhatchee - 2 3 10-0506 St. Andrews Bay Bay 1131 Johnson Bayou Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=19/20 List. WBID name was changed from Direct Runoff to Bay to match the 1998 St. Andrew 303(d) list name. Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0508 St. Andrews Bay Bay 1136 Watson Bayou Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low vp=6/15 St. Andrew List. Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0543 St. Andrews Bay Bay 1141B Parker Bayou Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=6/8 St. Andrew List. Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0510 St. Andrews Bay Bay 1142 Boggy Creek Stream 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=21/109 St. Andrew List. This waterbody is impaired for this parameter based on the number of Choctawhatchee - Boggy Creek (Shellfish exceedances for the sample size. Fewer than twenty samples can be used to 3 3 16-0487 St. Andrews Bay Bay 1142A Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 9/10 St. Andrew Portion) identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a) F.A.C. This parameter will be added to the 303(d) List. Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0511 St. Andrews Bay Bay 1144 Massalina Bayou Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low vp=8/15 St. Andrew List. Choctawhatchee - DO met the listing threshold and the causative pollutant is total nitrogen. 2 3 10-0513 St. Andrews Bay Bay, Gulf 1155 Little Sandy Creek Stream 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L Medium vp=13/22 St. Andrew There are low urban and built up (0.06%) and 70.39% upland forest land uses. Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0515 St. Andrews Bay Bay 1162 Mule Creek Stream 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=5/6 St. Andrew List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Ochlockonee - St. Coastal Watershed Fecal Coliform (SEAS Evaluation & 4 1 19-0514 Wakulla 1176B Purify Creek Estuary 2 Low NA Classification Program of the department of Agriculture and Consumer Marks and Apalachee Bay Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Ochlockonee - St. Coastal Watershed Fecal Coliform (SEAS Evaluation & 4 1 19-0515 Wakulla 1176C Oyster Bay Estuary 2 Low NA Classification Program of the department of Agriculture and Consumer Marks and Apalachee Bay Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. Choctawhatchee - This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0522 St. Andrews Bay Bay 1209 Eagle Nest Bayou Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=7/23 St. Andrew List. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Ochlockonee - St. Coastal Watershed Dickerson Bay (Shellfish Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0072 Wakulla 1223 Estuary 2 High NA Marks and Apalachee Bay Portion) Classification) Assessment Section of the Department of Agriculture and Consumer Services. This parameter is (SEAS) thresholds being added to the 303(d) list. Choctawhatchee - Choctawhatchee Jackson, This parameter exceeds the listing threshold and will remain on the 303(d) 2 3 10-0466 123 Alligator Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low vp=7/22 St. Andrew River Washington List. EPA established TMDL 3/30/01. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Ochlockonee - St. Coastal Watershed Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0073 Wakulla 1239 Direct Runoff to Bay Estuary 2 High NA Marks and Apalachee Bay Classification) Assessment Section of the Department of Agriculture and Consumer Services. This parameter is (SEAS) thresholds being added to the 303(d) list. This parameter is impaired for this waterbody. The waterbody includes at Ochlockonee - St. South Ochlockonee least one sampling location that has a median fecal coliform MPN value that 3 1 13-0074 Franklin, Wakulla 1248A Ochlockonee Bay Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL High 2 / 15 Marks River exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the 303(d) list. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Ochlockonee - St. South Ochlockonee Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0075 Franklin, Wakulla 1248A Ochlockonee Bay Estuary 2 High NA Marks River Classification) Assessment Section of the Department of Agriculture and Consumer Services. This parameter is (SEAS) thresholds being added to the 303(d) list. Apalachicola - Exceeds SEAS Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2389 New River Franklin 1256 Alligator Harbor Estuary 3M Bacteria (in Shellfish) Medium 2008 Chipola thresholds from unclassified to prohibited). Apalachicola - Exceeds SEAS Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2374 Apalachicola Bay Franklin 1266 St George Sound Estuary 2 Bacteria (in Shellfish) Medium 2008 Chipola thresholds from approved to conditionally restricted). Exceeds Shellfish This waterbody is listed as impaired for this parameter because the shellfish Choctawhatchee - Fecal Coliform (SEAS Evaluation & harvesting classification is not fully approved by the Shellfish Environmental 3 3 16-0488 St. Andrews Bay Gulf 1267 St Joseph Bay Estuary 2 High Impaired St. Andrew Classification) Assessment Section Assessment Section (SEAS) of the Department of Agriculture and Consumer (SEAS) thresholds Services. This parameter is being added to the Verified List. ENRO1: AGM 2008 (0.44 mg/L) 2009 (0.41 mg/L) This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - ENRO1: AGM ≤ 0.34 2010 (0.44 mg/L) 3 3 16-0489 St. Andrews Bay Gulf 1267 St Joseph Bay Estuary 2 Nutrients (Total Nitrogen) Medium means exceeded the criterion more than once in the most recent consecutive St. Andrew mg/L 2011 (0.50 mg/L) three year period. This parameter is being added to the 303(d) List. 2012 (0.72 mg/L) 2013 (0.50 mg/L) 2014 (0.32 mg/L) Beach Advisories 2008 (0 days) 2009 (7 days) This waterbody is impaired for this parameter because there were 21 days or 2010 (6 days) Choctawhatchee - < 21 days of beach more of beach advisories in 2012. This is a beach WBID, which are assessed 3 3 16-0490 St. Andrews Bay Gulf 1267B Dixie Belle Beach Beach 3M Bacteria (Beach Advisories) High 2011 (13 days) St. Andrew advisories solely on beach advisory information received from DOH.^ This parameter is 2012 (71 days) being added to the 303(d) List. 2013 (0 days) 2014 (0 days) 2015 (20 days) Choctawhatchee - St. Joe Bay Monument < 21 days of beach 1 3 05-1154 St. Andrews Bay Gulf 1267C Coastal 3M Bacteria (Beach Advisories) Medium 2009 Beach advisories > 21 days/yr for 2001, 2002, and 2003 St. Andrew Beach advisories Exceeds Shellfish Apalachicola - Evaluation & Listed based on shellfish harvesting classification of prohibited in summer and 2 2 09-1686 New River Franklin 1268 Doyle Creek Stream 3F Bacteria (in Shellfish) Low N/A Chipola Assessment Section winter by Shellfish Environmental Assessment Section (SEAS). (SEAS) thresholds Exceeds Shellfish Apalachicola - Evaluation & Listed based on shellfish harvesting classification of prohibited in summer and 2 2 09-1687 New River Franklin 1273 Cash Creek Stream 3F Bacteria (in Shellfish) Low N/A Chipola Assessment Section winter by Shellfish Environmental Assessment Section (SEAS). (SEAS) thresholds Apalachicola - Exceeds SEAS Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2376 Apalachicola Bay Franklin 1274 Apalachicola Bay Estuary 2 Bacteria (in Shellfish) Medium 2008 Chipola thresholds from approved to conditionally restricted). Apalachicola - 2 2 09-1618 Apalachicola Bay Franklin 1274 Apalachicola Bay Estuary 2 Coliforms Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired Waterbody did not meet water quality standards Chipola Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size. However, the impairment may be due to Apalachicola - 4 2 20-0241 Apalachicola Bay Franklin 1274 Apalachicola Bay Estuary 2 Iron ≤ 0.3 mg/L Medium 12/12 natural conditions; therefore, the assessment is pending further analysis by Chipola DEP. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Apalachicola - Exceeds SEAS Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2378 Apalachicola Bay Franklin 1274A East Bay Estuary 2 Bacteria (in Shellfish) Medium 2008 Chipola thresholds from conditionally approved to conditionally restricted). Apalachicola - > 400 colonies per 100 1 2 03-2377 Apalachicola Bay Franklin 1274A East Bay Estuary 2 Fecal Coliform Medium 2008 PP - 461/2047 Potentially Impaired VP - 150/900 Verified Impaired Chipola mL This waterbody is impaired for this parameter based on the number of Apalachicola - 4 2 20-0242 Apalachicola Bay Franklin 1274A East Bay Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 69/796 exceedances for the sample size. This parameter is being added to the Chipola Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Apalachicola - Fecal Coliform (SEAS Environmental 4 2 20-0243 Apalachicola Bay Gulf, Franklin 1274B1 St Vincent Sound Estuary 2 High NA Classification Program of the Department of Agriculture and Consumer Chipola Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Exceeds Shellfish Classification Program of the Department of Agriculture and Consumer Apalachicola - Fecal Coliform (SEAS Environmental 4 2 20-0244 Apalachicola Bay Franklin 1274B2 Big Bayou Estuary 2 High NA Services. Additionally, fecal coliform water quality data also indicate a bacteria Chipola Classification) Assessment Section problem in the current assessment period. This parameter is being added to (SEAS) thresholds the Verified List and the department is requesting EPA add it to the 303(d) List. Exceeds Shellfish Listed based on shellfish harvesting classification of conditionally approved Apalachicola - Evaluation & 2 2 09-1637 Apalachicola Bay Franklin 1274C Direct Runoff to Bay Coastal 2 Bacteria (in Shellfish) Low N/A and conditionally restricted in summer and conditionally restricted in winter by Chipola Assessment Section Shellfish Environmental Assessment Section (SEAS). (SEAS) thresholds This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Apalachicola - East River (Shellfish Fecal Coliform (SEAS Environmental 4 2 20-0245 Apalachicola River Franklin 1275B Estuary 2 High NA Classification Program of the Department of Agriculture and Consumer Chipola Portion) Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. Exceeds Shellfish Apalachicola - Evaluation & Listed based on shellfish harvesting classification of prohibited in summer and 2 2 09-1688 New River Franklin 1278 East Bayou Estuary 3M Bacteria (in Shellfish) Low N/A Chipola Assessment Section winter by Shellfish Environmental Assessment Section (SEAS). (SEAS) thresholds Exceeds Shellfish Apalachicola - Evaluation & Listed based on shellfish harvesting classification of prohibited in summer and 2 2 06-1690 New River Franklin 1279 West Bayou Estuary 3M Bacteria (in Shellfish) Low N/A Chipola Assessment Section winter by Shellfish Environmental Assessment Section (SEAS). (SEAS) thresholds Exceeds Shellfish Apalachicola - Evaluation & Listed based on shellfish harvesting classification of conditionally restricted in 2 2 09-1692 New River Franklin 1283 Blounts Bay Estuary 3M Bacteria (in Shellfish) Low N/A Chipola Assessment Section summer and winter by Shellfish Environmental Assessment Section (SEAS). (SEAS) thresholds Apalachicola - Balanced natural Per photographs showing an abundance of invasive plant species on 2 2 09-1655 Apalachicola River Franklin 1286 Huckleberry Creek Stream 3F Nutrients Nutrients (Macrophytes) Medium Chipola population of flora. Huckleberry Creek. Apalachicola - Exceeds SEAS Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2380 Apalachicola Bay Gulf 1288 Money Bayou Estuary 3M Bacteria (in Shellfish) Medium 2008 Chipola thresholds from unclassified to prohibited). This waterbody is impaired for this parameter based on the number of Ochlockonee - St. South Ochlockonee Franklin, Liberty, 4 1 19-0516 1297A Ochlockonee River Stream 3F Iron ≤ 1.0 mg/L Medium 35/63 exceedances for the sample size. This parameter is being added to the Marks River Wakulla Verified List and the department is requesting EPA add it to the 303(d) List. Ochlockonee - St. South Ochlockonee Leon, Liberty, 2 1 09-1979 1297B Ochlockonee River Stream 3F Iron > 1.0 mg/L Medium PP = 2 / 2; VP = 9 / 24 Marks River Wakulla This waterbody is impaired for this parameter based on the number of Ochlockonee - St. North Ochlockonee 4 1 19-0517 Gadsden, Leon 1297E Ochlockonee River Stream 3F Iron ≤ 1.0 mg/L Medium 16/16 exceedances for the sample size. This parameter is being added to the Marks River Verified List and will remain on the 303(d) List. This waterbody is impaired for this parameter based on the number of Ochlockonee - St. North Ochlockonee Pb ≤ e(1.273[lnH]- 4 1 19-0518 Gadsden, Leon 1297E Ochlockonee River Stream 3F Lead Medium 7/24 exceedances for the sample size. This parameter is being added to the Marks River 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Ochlockonee - St. North Ochlockonee 4 1 19-0519 Gadsden, Leon 1297F Ochlockonee River Stream 3F Iron ≤ 1.0 mg/L Medium 72/74 exceedances for the sample size. This parameter is being added to the Marks River Verified List and will remain on the 303(d) List. This waterbody is impaired for this parameter based on the number of Ochlockonee - St. North Ochlockonee Pb ≤ e(1.273[lnH]- 4 1 19-0520 Gadsden, Leon 1297F Ochlockonee River Stream 3F Lead Medium 7/31 exceedances for the sample size. This parameter is being added to the Marks River 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. AGM 2011 (34 µg/L) 2012 (25 µg/L) This waterbody remains impaired for this parameter. The annual geometric Ochlockonee - St. North Ochlockonee 2013 (20 µg/L) means exceeded the nutrient criteria for a high color lake more than once in a 4 1 19-0521 Gadsden, Leon 1297X Lake Talquin (West) Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L High Marks River 2014 (5 µg/L) three year period. This parameter will remain on the Verified List and the 2015 (30 µg/L) 303(d) List. 2016 (25 µg/L) 2017 (29 µg/L) AGM 2011 (0.81 mg/L) 2012 (0.70 mg/L) This waterbody remains impaired for this parameter based on information Ochlockonee - St. North Ochlockonee See subsection 62- 2013 (0.92 mg/L) indicating total nitrogen is causing or contributing to the nutrient impairment of 4 1 19-0522 Gadsden, Leon 1297X Lake Talquin (West) Lake 3F Nutrients (Total Nitrogen) High Marks River 303.450(2), F.A.C. 2014 (0.71 mg/L) the waterbody. This parameter will remain on the Verified List and the 303(d) 2015 (0.71 mg/L) List. 2016 (0.76 mg/L) 2017 (0.76 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 2003 (6.4 µg/L) 2004 (6.5 µg/L) 2005 (8.3 µg/L) This canal was verified as impaired for nutrients because the annual average Lower 2 4 10-3229 Withlacoochee Citrus 1329A Cross Florida Barge Canal Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium 2006 (11 µg/L) chlorophyll-a values exceeded 11 µg/l in 2009. Nitrogen and phosphorus are Withlacoochee 2007 (11 µg/L) the limiting nutrients based on a median TN/TP ratio of 13 (n=104). 2008 (11 µg/L) 2009 (34 µg/L) This waterbody is impaired for this parameter based on the number of Lower Dissolved Oxygen (Percent 3 4 17-0437 Withlacoochee Citrus 1329A Cross Florida Barge Canal Estuary 3M Nutrients ≥ 42 % Medium 13/67 exceedances for the sample size and nutrients have been identified as the Withlacoochee Saturation) causative pollutant. This parameter will remain on the 303(d) List. 5/29/2014: Avg CofC - 2.3, FLEPPC - 30% Lower LVS C of C ≥ 2.5 and 11/20/2014: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 4 17-0438 Withlacoochee Citrus, Sumter 1329D Withlacoochee River Stream 3F Nutrients (Macrophytes) Medium Withlacoochee LVS FLEPPC ≤ 25% 2.4, FLEPPC - 29% vegetation survey results. This parameter is being added to the 303(d) List. 3/16/2016: Avg CofC - 1.8, FLEPPC - 34% This spring has been verified as impaired for nutrients based on "other information" that indicated an imbalance in flora or fauna. It is included in a springs report "Florida Springs Initiative Monitoring Network Report 2008" that documents nutrient enrichment is apparent due to abundant algae Lower Balanced natural 2 4 10-3234 Withlacoochee Marion 1329R Wilson Head Spring Spring 3F Nutrients (Algal Mats) Medium N/A documented through photography as well as bioassessment methods. Withlacoochee population of flora. Nitrate+nitrite levels range from 0.56 - 0.8 mg/L during the verified period and is the likely cause of the impairment; however, in accordance with Rule 62- 303.710(4), F.A.C., the limiting nutrients are nitrogen and phosphorus based on a median TN/TP ratio of 14 (n=17). AGM 2009 (0.61 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Lower 2010 (0.58 mg/L) 3 4 17-0439 Withlacoochee Marion 1329R Wilson Head Spring Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium exceeded the criterion more than once in a three-year period. This parameter Withlacoochee 2011 (0.57 mg/L) is being added to the 303(d) List. 2012 (0.41 mg/L) 2013 (0.49 mg/L) This spring is included in a springs report "Florida Springs Initiative Monitoring Network Lower Blue Spring (Citrus Balanced natural Report 2008". The report documents that nutrient enrichment is apparent due 2 4 12-0600 Withlacoochee Citrus 1329S Spring 3F Nutrients (Algal Mats) Medium No Data Withlacoochee County) population of flora. to elevated nitrate levels, which range from 0.2 - 0.5 mg/L, and Rapid Peryphiton Survey information that indicate an imbalance of algae; therefore this waterbody is being added to the Verified list. AGM 2009 (0.63 mg/L) 2010 (0.63 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Lower Blue Spring (Citrus 2011 (0.72 mg/L) 3 4 17-0440 Withlacoochee Citrus 1329S Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium exceeded the criterion more than once in a three-year period. This parameter Withlacoochee County) 2012 (0.76 mg/L) is being added to the 303(d) List. 2013 (0.72 mg/L) 2014 (0.89 mg/L) 2015 (0.50 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and Nutrients has been identified as the Upper Dissolved Oxygen (Percent 3 4 17-0441 Withlacoochee Hernando 1329T Blue Sink (Blue Sink Lake) Lake 3F Nutrients ≥ 38 % Medium 36/164 causative pollutant. This parameter is being added to the 303(d) List. Withlacoochee Saturation) Dissolved oxygen grab samples used in this analysis were assessed against a time of day adjustment as described in Rule 62-303.420(9), F.A.C. Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.15 mg/L) If Chl-a has Insufficient 2010 (0.28 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Upper 3 4 17-0442 Withlacoochee Hernando 1329T Blue Sink (Blue Sink Lake) Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.24 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Withlacoochee AGM or if Chl-a AGM > 2012 (0.15 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.15 mg/L) 0.03 mg/L 2014 (0.15 mg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; AGM If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Upper 2014 (0.14 mg/L) 3 4 17-0443 Withlacoochee Hernando 1329W Bystre Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Withlacoochee 2015 (0.18 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2016 (0.14 mg/L) 20 µg/L, TP AGM ≤ 0.03 mg/L Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0109 Suwannee Waccasassa River Levy 1332 Direct Runoff to Gulf Estuary 2 High N/A Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0110 Suwannee Waccasassa River Levy 1333 Spring Run Estuary 2 High N/A Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. AGM 2011 (0.27 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2012 (0.45 mg/L) exceeded the criterion more than once in a three-year period. This parameter 4 1 19-0575 Suwannee Waccasassa River Levy 1333A Little King Spring Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2013 (0.41 mg/L) is being added to the Verified List and the department is requesting EPA add it 2014 (0.68 mg/L) to the 303(d) List. 2015 (0.52 mg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (0.40 mg/L) exceeded the criterion more than once in a three-year period. This parameter 4 1 19-0576 Suwannee Waccasassa River Levy 1333B Big King Spring Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2013 (0.67 mg/L) is being added to the Verified List and the department is requesting EPA add it 2014 (1.07 mg/L) to the 303(d) List. 2015 (0.23 mg/L) 2 1 09-1907 Suwannee Waccasassa River Levy 1335 Direct Runoff to Gulf Stream 2 Fecal Coliform > 400 Counts/100 ml Low pp = 144 / 758; vp = 108 / 508 Exceeds the 14 #/100 2 1 09-1908 Suwannee Waccasassa River Levy 1335 Direct Runoff to Gulf Stream 2 Fecal Coliform (3) Low Exceeds the 14 #/100 mL criterion. mL criterion Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0111 Suwannee Waccasassa River Levy 1335 Direct Runoff to Gulf Estuary 2 High N/A Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. RPS ≤ 25%, or when between 20% - 25% This waterbody is impaired for this parameter based on failing rapid periphyton Lower 3/11/2014: 61% 3 4 17-0444 Withlacoochee Citrus, Levy 1337A Bypass Channel Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium survey results. There are at least two temporally independent samples greater Withlacoochee 2/16/2015: 29% Autoecological Data than 25% and this parameter is being added to the 303(d) List. Indicates No Imbalance 3/11/2014: Avg CofC - Lower LVS C of C ≥ 2.5 and 2.1, FLEPPC - 36% This waterbody is impaired for this parameter based on failing linear 3 4 17-0445 Withlacoochee Citrus, Levy 1337A Bypass Channel Stream 3F Nutrients (Macrophytes) Medium Withlacoochee LVS FLEPPC ≤ 25% 2/16/2015: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.3, FLEPPC - 55% This spring has been verified as impaired for nutrients based on "other information" that indicated an imbalance in flora or fauna. It is included in a springs report "Florida Springs Initiative Monitoring Network Report 2008" that documents nutrient enrichment is apparent due to abundant algae Lower Gum Springs (Alligator Balanced natural 2 4 10-3237 Withlacoochee Marion, Sumter 1338A Spring 3F Nutrients (Algal Mats) Medium N/A documented through photography as well as bioassessment methods. Withlacoochee Springs) population of flora. Nitrate+nitrite levels range from 0.14 - 1.4 mg/L during the verified period and is the likely cause of the impairment; however, in accordance with Rule 62- 303.710(4), F.A.C., the limiting nutrient is phosphorus based on a median TN/TP ratio of 44 (n=69). AGM 2009 (1.09 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Lower Gum Springs (Alligator 2010 (1.38 mg/L) 3 4 17-0446 Withlacoochee Marion, Sumter 1338A Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium exceeded the criterion more than once in a three-year period. This parameter Withlacoochee Springs) 2011 (1.40 mg/L) is being added to the 303(d) List. 2012 (1.30 mg/L) 2013 (1.22 mg/L) Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Crystal River / Kings Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1346 Springs Coast Citrus 1339 Cedar - Salt Creek Estuary 2 Low N/A Bay Planning Unit Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Crystal River / Kings 3 5 18-0297 Springs Coast Citrus 1341I Crystal River Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 19/121 exceedances for the sample size. This parameter is being added to the Bay Planning Unit Verified List and the department is requesting EPA add to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Station 21FLSEAS37SEAS090 (Salt River Crystal River / Kings at Hwy 44 Bridge) had a median value that exceeded the 14 counts/100 mL 3 5 18-0298 Springs Coast Citrus 1341I Crystal River Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired Bay Planning Unit criterion with at least 20 samples in the verified period. This parameter is being added to the Verified List and the department is requesting EPA add to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Crystal River / Kings Fecal Coliform (SEAS Evaluation & 3 5 18-0299 Springs Coast Citrus 1341I Crystal River Estuary 2 High NA Classification Program of the department of Agriculture and Consumer Bay Planning Unit Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Homosassa River Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1347 Springs Coast Citrus 1345A Crystal River Bay Estuary 2 Low N/A Planning Unit Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. This spring has been verified as impaired for nutrients based on "other information" that indicated an imbalance in flora or fauna. It is included in a springs report "Florida Springs Initiative Monitoring Network Report 2008" that documents nutrient enrichment is apparent due to abundant algae Canal 485A Springs Balanced natural 2 4 10-3227 Withlacoochee Lake Panasoffkee Sumter 1351B2 Spring 3F Nutrients (Algal Mats) Medium N/A documented through photography as well as bioassessment methods. Group population of flora. Nitrate+nitrite levels range from 0.25 - 1.4 mg/L during the verified period and is the likely cause of the impairment; however, in accordance with Rule 62- 303.710(4), F.A.C., the limiting nutrients are nitrogen and phosphorus based on a median TN/TP ratio of 23 (n=17). AGM 2009 (0.61 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Canal 485A Springs 2010 (1.49 mg/L) 3 4 17-0447 Withlacoochee Lake Panasoffkee Sumter 1351B2 Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium exceeded the criterion more than once in a three-year period. This parameter Group 2011 (1.32 mg/L) is being added to the 303(d) List. 2012 (1.38 mg/L) 2013 (1.31 mg/L) AGM 2009 (0.17 mg/L) This waterbody is impaired for this parameter. The annual geometric mean 3 4 17-0448 Withlacoochee Lake Panasoffkee Sumter 1356A Fenney Spring Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2010 (0.06 mg/L) exceeded the criterion more than once in a three-year period. This parameter 2011 (0.49 mg/L) is being added to the 303(d) List. 2013 (0.49 mg/L) RPS ≤ 25%, or when This waterbody is impaired for this parameter based on samples with greater 03/20/2012: 100% between 20% - 25% than 25% algal coverage and although two results were less than or equal to 11/16/2016: 21% 4 1 19-0575 Ocklawaha Lake Harris Unit Lake 1362 Bugg Spring Run Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium 25% percent coverage, the dominant taxa of the algal community include taxa 11/21/2017: 24% Autoecological Data known to indicate nutrient enrichment. This parameter is being added to the 03/19/2018: 30% Indicates No Imbalance Verified List and the department is requesting EPA add it to the 303(d) List. 9/23/2014: Avg CofC - Upper LVS C of C ≥ 2.5 and 1.4, FLEPPC - 51% This waterbody is impaired for this parameter based on failing linear 3 4 17-0449 Withlacoochee Sumter 1378 Big Gant Canal Stream 3F Nutrients (Macrophytes) Medium Withlacoochee LVS FLEPPC ≤ 25% 12/29/2014: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.9, FLEPPC - 46% Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=3) This waterbody is impaired for this parameter based on failing bioassessments two most recent LVI Big Mean (21) and nutrients have been determined to be the causative pollutant. This 3 5 18-0300 Springs Coast Middle Coastal Hernando, Pasco 1392B Lake Hancock Lake 3F Biology Nutrients Medium scores ≥ 43; or if there Mean 1 (24), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (22) EPA add to the 303(d) List. and there is less than or equal to a 20 point difference. Statewide Comprehensive Verified List

This parameter is impaired for this waterbody based on "other information" that indicated an imbalance in flora or fauna. It is included in a springs report Balanced natural "Florida Springs Initiative Monitoring Network Report and Recognized Sources 2 5 12-0563 Springs Coast Middle Coastal Pasco 1439 Salt Spring Run Spring 3F Nutrients (Algal Mats) Medium N/A population of flora. of Nitrate, February 2010" that documents nutrient enrichment is apparent due to abundant algae documented through photography as well as bioassessment methods. This parameter will be added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Anclote River / Anclote River Bayou exceedances for the sample size. However, the impairment may be due to 3 5 18-0307 Springs Coast Coastal Pinellas Pinellas 1440A Estuary 3M Iron ≤ 0.3 mg/L Medium 15/53 Complex (Spring Bayou) natural conditions; therefore, the assessment is pending further analysis by County DEP. This waterbody is impaired for this parameter based on the number of Tampa Bay 4 2 20-0388 Hillsborough River Hillsborough 1443E Hillsborough River Estuary 3M Iron ≤ 0.3 mg/L Medium 23/38 exceedances for the sample size. This parameter is being added to the Tributaries Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay Hillsborough River (below exceedances for the sample size and anthropogenic sources have been 4 2 20-0389 Hillsborough River Hillsborough 1443F Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 48/92 Tributaries Reservoir) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. 11/04/2013: Avg CofC - 1.1, FLEPPC - 64% This waterbody is impaired for this parameter based on failing linear 03/27/2014: Avg CofC - Tampa Bay Hillsborough River (above LVS C of C ≥ 2.5 and vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0390 Hillsborough River Hillsborough 1443I Stream 1 Nutrients (Macrophytes) High 1.3, FLEPPC - 44% Tributaries Reservoir) LVS FLEPPC ≤ 25% coverage of > 25%. This parameter is being added to the Verified List and the 10/26/2015: Avg CofC - department is requesting EPA add it to the 303(d) List. 2.0, FLEPPC - 40% (n=2) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2011 (45 µg/L) 3 3 16-0552 Upper Peace River Polk 1449A Lake Deeson Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2012 (56 µg/L) parameter is being added to the 303(d) List. 2013 (49 µg/L) 2014 (51 µg/L) Chl-a AGM ≤ 6 µg/L, Annual Geometric TN AGM ≤ 0.93 mg/L; Mean(s) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 2011 (2.09 mg/L) 3 3 16-0553 Upper Peace River Polk 1449A Lake Deeson Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2012 (2.10 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (2.13 mg/L) 6 µg/L, TN AGM ≤ 0.51 2014 (2.39 mg/L) mg/L Chl-a AGM ≤ 6 µg/L, Annual Geometric TP AGM ≤ 0.03 mg/L; Mean(s) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 2011 (0.05 mg/L) 3 3 16-0554 Upper Peace River Polk 1449A Lake Deeson Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2012 (0.07 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (0.06 mg/L) 6 µg/L, TP AGM ≤ 0.01 2014 (0.05 mg/L) mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0827 Hillsborough River Hillsborough 1451 Lake Hanna Outlet Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/18 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0830 Hillsborough River Polk 1454 Fox Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/23 Tributaries exceedances for the sample size. This waterbody is impaired for this parameter based on the number of Tampa Bay exceedances for the sample size and anthropogenic sources have been 4 2 20-0391 Hillsborough River Hillsborough,Pasco 1455 Trout Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 10/35 Tributaries identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Annual Geometric Mean(s) 2007 (2.29 mg/L) 2008 (2.21 mg/L) This waterbody is impaired for this parameter based on the annual geometric Tampa Bay 3 2 15-0831 Hillsborough River Pasco 1462A Crystal Springs Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2009 (2.27 mg/L) means exceeding the criterion more than once in a three year period. This Tributaries 2010 (2.18 mg/L) parameter is being added to the 303(d) List. 2011 (2.26 mg/L) 2012 (2.27 mg/L) 2013 (2.32 mg/L) Annual Geometric This waterbody is impaired for this parameter based on the annual geometric Tampa Bay Hillsborough River below Mean(s) 3 2 15-0832 Hillsborough River Pasco 1462D Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium means exceeding the criterion more than once in a three year period. This Tributaries Southside Branch 2008 (1.21 mg/L) parameter is being added to the 303(d) List. 2009 (1.34 mg/L) Coastal Old Tampa 2 1 09-2456 Tampa Bay Hillsborough 1463M Little Lake Wilson Lake 3F Fecal Coliform > 400 Counts/100 ml Low Verified Impaired with 41 exceedances out of 123 samples. Bay Tributary AGM This waterbody is impaired for this parameter. The annual geometric means Coastal Old Tampa 2015 (30 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0608 Tampa Bay Hillsborough 1463M Little Lake Wilson Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Bay Tributary 2017 (22 µg/L) year period. This parameter is being added to the Verified List and the 2018 (29 µg/L) department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Median total nitrogen and total phosphorus Coastal Old Tampa Biochemical Oxygen values were not elevated relative to comparable waters and biochemical 3 1 13-0171 Tampa Bay Pasco 1464A Black Lake Lake 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 15/23 Bay Tributary Demand oxygen demand was identified as the causative pollutant because it was elevated relative to comparable waters (exceeded 2.0 mg/L). This parameter is being added to the 303(d) list. AGM This waterbody is impaired for this parameter. The annual geometric means Coastal Old Tampa 2011 (64 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0609 Tampa Bay Pasco 1464A Black Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Bay Tributary 2013 (40 µg/L) year period. This parameter is being added to the Verified List and the 2014 (35 µg/L) department is requesting EPA add it to the 303(d) List. AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (20 µg/L) Coastal Old Tampa exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0610 Tampa Bay Hillsborough, Pasco 1464V Lake Hiawatha Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2015 (12 µg/L) Bay Tributary year period. This parameter is being added to the Verified List and the 2016 (12 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (9 µg/L) Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2011 (0.78 mg/L) Coastal Old Tampa exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0611 Tampa Bay Hillsborough, Pasco 1464V Lake Hiawatha Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2015 (0.71 mg/L) Bay Tributary year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2016 (0.71 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2017 (0.62 mg/L) mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2011 (0.02 mg/L) Coastal Old Tampa exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0612 Tampa Bay Hillsborough, Pasco 1464V Lake Hiawatha Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2015 (0.03 mg/L) Bay Tributary year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2016 (0.03 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 2017 (0.03 mg/L) mg/L Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=2) This waterbody is impaired for this parameter based on failing bioassessments Coastal Old Tampa two most recent LVI WBID Mean (34) and nutrients have been determined to be the causative pollutant. This 4 1 19-0613 Tampa Bay Pasco 1464W Lake Ann (Parker) Lake 3F Biology Nutrients Medium Bay Tributary scores ≥ 43; or if there Mean 1 (33), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (36) EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM This waterbody is impaired for this parameter. The annual geometric means Coastal Old Tampa 2015 (13 µg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0614 Tampa Bay Pasco 1464W Lake Ann (Parker) Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium Bay Tributary 2016 (12 µg/L) year period. This parameter is being added to the Verified List and the 2017 (13 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2015 (0.66 mg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0615 Tampa Bay Pasco 1464W Lake Ann (Parker) Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Bay Tributary 2016 (0.72 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.74 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2015 (0.02 mg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0616 Tampa Bay Pasco 1464W Lake Ann (Parker) Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Bay Tributary 2016 (0.02 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.02 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=3) This waterbody is impaired for this parameter based on failing bioassessments Upper two most recent LVI Big Mean (31) 3 4 17-0450 Withlacoochee Polk 1466 Lake Agnes Lake 3F Biology Nutrients Medium and nutrients have been determined to be the causative pollutant. This Withlacoochee scores ≥ 43; or if there Mean 1 (24), Mean 2 parameter is being added to the 303(d) List. are only two LVI scores (29) and there is less than or equal to a 20 point difference. AGM 2009 (5 µg/L) 2010 (11 µg/L) This waterbody is impaired for this parameter. The annual geometric mean Upper 2011 (11 µg/L) 3 4 17-0451 Withlacoochee Polk 1466 Lake Agnes Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium exceeded the nutrient criteria more than once in a three-year period. This Withlacoochee 2012 (7 µg/L) parameter is being added to the 303(d) List. 2013 (10 µg/L) 2014 (10 µg/L) 2015 (14 µg/L) AGM Chl-a AGM ≤ 6 µg/L, 2009 (0.54 mg/L) TN AGM ≤ 0.93 mg/L; 2010 (0.70 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Upper 2011 (0.76 mg/L) 3 4 17-0452 Withlacoochee Polk 1466 Lake Agnes Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Withlacoochee 2012 (0.64 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (0.65 mg/L) 6 µg/L, TN AGM ≤ 0.51 2014 (0.67 mg/L) mg/L 2015 (0.82 mg/L) AGM Chl-a AGM ≤ 6 µg/L, 2009 (0.03 mg/L) TP AGM ≤ 0.03 mg/L; 2010 (0.04 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Upper 2011 (0.05 mg/L) 3 4 17-0453 Withlacoochee Polk 1466 Lake Agnes Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Withlacoochee 2012 (0.03 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (0.05 mg/L) 6 µg/L, TP AGM ≤ 0.01 2014 (0.04 mg/L) mg/L 2015 (0.04 mg/L) 6/1/2016: Avg CofC - This waterbody is impaired for this parameter based on failing linear Upper Kissimmee LVS C of C ≥ 2.5 and 1.7, FLEPPC - 56% 3 4 17-0302 Kissimmee River Polk 1472 Lake Hatchineha Drain Stream 3F Nutrients (Macrophytes) Medium vegetation survey results. This parameter is being added to the 303(d) List. Planning Unit LVS FLEPPC ≤ 25% 12/19/2016: Avg CofC - Data from outside the verified period was used to support this assessment. 1.4, FLEPPC - 47% This waterbody is verified as impaired for dissolved oxygen based on the Upper Kissimmee 2 4 10-3137 Kissimmee River Osceola, Polk 1472C Dead River Stream 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L Medium 23/32 number of exceedances. Total nitrogen has been identified as the causative Planning Unit pollutant. AGM 2011 (6 µg/L) This waterbody is impaired for this parameter. The annual geometric means Coastal Old Tampa 2012 (8 µg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0617 Tampa Bay Hillsborough 1473W Lake Juanita Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium Bay Tributary 2015 (24 µg/L) year period. This parameter is being added to the Verified List and the 2016 (15 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (8 µg/L) Chl-a AGM ≤ 6 µg/L, AGM TN AGM ≤ 0.93 mg/L; 2011 (0.78 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2012 (0.62 mg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0618 Tampa Bay Hillsborough 1473W Lake Juanita Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Bay Tributary 2015 (0.91 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2016 (0.95 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2017 (0.87 mg/L) mg/L Chl-a AGM ≤ 6 µg/L, AGM TP AGM ≤ 0.03 mg/L; 2011 (0.01 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2012 (0.01 mg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0619 Tampa Bay Hillsborough 1473W Lake Juanita Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Bay Tributary 2015 (0.03 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2016 (0.02 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 2017 (0.02 mg/L) mg/L Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=2) This waterbody is impaired for this parameter based on failing bioassessments Coastal Old Tampa two most recent LVI WBID Mean (24) and nutrients have been determined to be the causative pollutant. This 4 1 19-0620 Tampa Bay Hillsborough 1474A Lake Wastena Lake 3F Biology Nutrients Medium Bay Tributary scores ≥ 43; or if there Mean 1 (29), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (20) EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM This waterbody is impaired for this parameter. The annual geometric means Coastal Old Tampa 2015 (13 µg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0621 Tampa Bay Hillsborough 1474A Lake Wastena Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium Bay Tributary 2017 (19 µg/L) year period. This parameter is being added to the Verified List and the 2018 (14 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2015 (0.84 mg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0622 Tampa Bay Hillsborough 1474A Lake Wastena Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Bay Tributary 2017 (1.05 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2018 (0.97 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2015 (0.02 mg/L) exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0623 Tampa Bay Hillsborough 1474A Lake Wastena Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Bay Tributary 2017 (0.03 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2018 (0.03 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (31 µg/L) Coastal Old Tampa exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0624 Tampa Bay Hillsborough 1474W Lake Dead Lady Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2015 (50 µg/L) Bay Tributary year period. This parameter is being added to the Verified List and the 2016 (33 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (39 µg/L) AGM 2009 (53 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2010 (63 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Upper Kissimmee 2011 (59 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0303 Kissimmee River Polk 1480 Lake Marion Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Planning Unit 2012 (66 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2013 (54 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (50 µg/L) impairment. This parameter is being added to the 303(d) List. 2015 (44 µg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (2.28 mg/L) This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2010 (2.02 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2011 (2.22 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0304 Kissimmee River Polk 1480 Lake Marion Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit 2012 (2.41 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (1.98 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2014 (1.94 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L 2015 (1.73 mg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (0.07 mg/L) This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2010 (0.07 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2011 (0.08 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0305 Kissimmee River Polk 1480 Lake Marion Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Planning Unit 2012 (0.08 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (0.08 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2014 (0.08 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L 2015 (0.06 mg/L) Average score of at least two temporally independent LVI scores This waterbody is impaired for this parameter based on failing bioassessments ≥ 43; or either of the LVI (n=6) and nutrients have been determined to be the causative pollutant. This Coastal Old Tampa two most recent LVI WBID Mean (37) 4 1 19-0625 Tampa Bay Pinellas 1486A Lake Tarpon Lake 3F Biology Nutrients Medium parameter is being added to the Verified List and the department is requesting Bay Tributary scores ≥ 43; or if there Mean 1 (42), Mean 2 EPA add it to the 303(d) List. Pinellas County provided additional biological are only two LVI scores (35) data used in this assessment. and there is less than or equal to a 20 point difference. AGM 2011 (16 µg/L) 2012 (21 µg/L) This waterbody is impaired for this parameter. The annual geometric means Coastal Old Tampa 2013 (23 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0626 Tampa Bay Pinellas 1486A Lake Tarpon Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Bay Tributary 2014 (19 µg/L) year period. This parameter is being added to the Verified List and the 2015 (26 µg/L) department is requesting EPA add it to the 303(d) List. 2016 (22 µg/L) 2017 (25 µg/L) Annual Geometric Mean(s) 2008 (27 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (31 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (29 µg/L) 3 3 16-0555 Upper Peace River Polk 1488B Lake Rochelle Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (20 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (30 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (26 µg/L) 2014 (24 µg/L) 2015 (26 µg/L) Annual Geometric Mean(s) Chl-a AGM ≤ 20 µg/L, 2008 (1.25 mg/L) TN AGM ≤ 1.91 mg/L; This waterbody is impaired for this parameter. The annual geometric means 2009 (0.96 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (0.90 mg/L) 3 3 16-0556 Upper Peace River Polk 1488B Lake Rochelle Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (1.21 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (1.39 mg/L) 20 µg/L, TN AGM ≤ assessed to determine impairment. 2013 (1.32 mg/L) 1.05 mg/L 2014 (1.43 mg/L) 2015 (1.35 mg/L) Annual Geometric Mean(s) 2008 (30 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (26 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0557 Upper Peace River Polk 1488C Lake Haines Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (23 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (20 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (35 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (29 µg/L) 2014 (19 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 2.23 mg/L; 2008 (1.32 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (1.31 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0558 Upper Peace River Polk 1488C Lake Haines Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.35 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (1.29 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (1.51 mg/L) assessed to determine impairment. 1.27 mg/L 2013 (1.50 mg/L) 2014 (1.27 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means 2008 (12 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0559 Upper Peace River Polk 1488D Lake Alfred Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (13 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2012 (27 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2013 (24 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2014 (30 µg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TN AGM ≤ 1.91 mg/L; Mean(s) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2008 (1.61 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0560 Upper Peace River Polk 1488D Lake Alfred Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.82 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2012 (2.00 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2013 (1.89 mg/L) assessed to determine impairment. 1.05 mg/L 2014 (1.95 mg/L) Annual Geometric Mean(s) 2008 (36 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (36 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0561 Upper Peace River Polk 1488U Lake Conine Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (38 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (44 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (35 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (28 µg/L) 2014 (23 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.36 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (1.48 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0562 Upper Peace River Polk 1488U Lake Conine Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.43 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (1.65 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (1.36 mg/L) assessed to determine impairment. 1.05 mg/L 2013 (1.31 mg/L) 2014 (1.19 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; This waterbody is impaired for this parameter. The annual geometric means 2008 (0.04 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2009 (0.04 mg/L) 3 3 16-0563 Upper Peace River Polk 1488U Lake Conine Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (0.06 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (0.05 mg/L) 20 µg/L, TP AGM ≤ assessed to determine impairment. 2013 (0.04 mg/L) 0.03 mg/L 2014 (0.02 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0833 Hillsborough River Hillsborough 1489 Two Hole Branch Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 7/19 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This parameter is impaired for this waterbody based on the number of 2 5 12-0042 Perdido Perdido River Escambia 149 McDavid Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/22 exceedances for the sample size and is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0834 Hillsborough River Hillsborough, Polk 1490 Polk Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 11/14 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the Tampa Bay Dissolved Oxygen (Percent causative pollutant. Samples used in this assessment were evaluated against 4 2 20-0392 Hillsborough River Polk 1491B Galloway Lake Lake 3F Nutrients ≥ 38 % Medium 15/40 Tributaries Saturation) a time of day adjustment as described in 62-303.420(9), F.A.C. This parameter is being added to the Verified List and will remain on the 303(d) List. AGM This waterbody is impaired for this parameter. The annual geometric means Tampa Bay 2012 (43 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0393 Hillsborough River Polk 1491B Galloway Lake Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium Tributaries 2014 (32 µg/L) year period. This parameter is being added to the Verified List and the 2015 (54 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or Tampa Bay 2012 (2.14 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0394 Hillsborough River Polk 1491B Galloway Lake Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium Tributaries 2014 (1.44 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (1.42 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.49 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or Tampa Bay 2012 (0.20 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0395 Hillsborough River Polk 1491B Galloway Lake Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium Tributaries 2014 (0.30 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.32 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.05 mg/L Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=3) This waterbody is impaired for this parameter based on failing bioassessments Coastal Old Tampa two most recent LVI WBID Mean (38) and nutrients have been determined to be the causative pollutant. This 4 1 19-0627 Tampa Bay Hillsborough 1493D Williams Lake Lake 3F Biology Nutrients Medium Bay Tributary scores ≥ 43; or if there Mean 1 (48), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (47) EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient AGM Coastal Old Tampa exceeded the nutrient criteria for a clear acidic lake more than once in a three 4 1 19-0628 Tampa Bay Hillsborough 1493D Williams Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2016 (0.74 mg/L) Bay Tributary year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.68 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Tampa Bay 2 2 09-2312 Hillsborough River Hillsborough 1495A Itchepackasassa Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 12/16 Tributaries Tampa Bay > 400 colonies per 100 1 2 03-2280 Hillsborough River Hillsborough, Polk 1495B Itchepackesassa Creek Stream 3F Fecal Coliform Medium 2008 PP - 4/8 Insufficient data; VP - 13/20 Verified impaired. Tributaries ml Sarasota Bay - 2 3 10-0229 Upper Peace River Polk 1497 Saddle Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 10/20 Impaired based on the number of exceedances. Peace - Myakka 02/20/2013: Avg CofC - Sarasota Bay - LVS C of C ≥ 2.5 and 0.67, FLEPPC - 50% This waterbody is impaired for this parameter based on failing linear 3 3 16-0564 Upper Peace River Polk 1497 Saddle Creek Stream 3F Nutrients (Macrophytes) Medium Peace - Myakka LVS FLEPPC ≤ 25% 11/25/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.55, FLEPPC - 51.85% LVI Average score of at 21FLGW 37017 This waterbody is impaired for this parameter based on failing bioassessments Sarasota Bay - least two temporally 3 3 16-0568 Upper Peace River Polk 1497B Lake Parker Lake 3F Biology Nutrients (23JUL2009: 34) and nutrients have been determined to be the causative pollutant. This Peace - Myakka independent LVI scores 21FLGW 41633 parameter is being added to the 303(d) List. ≥ 43. (21MAY2012: 43) Annual Geometric Mean(s) 2008 (161 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (47 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0569 Upper Peace River Polk 1497B Lake Parker Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (47 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (86 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (80 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (60 µg/L) 2014 (44 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (4.74 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (3.26 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0570 Upper Peace River Polk 1497B Lake Parker Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (2.15 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (2.30 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (1.98 mg/L) assessed to determine impairment. 1.05 mg/L 2013 (2.02 mg/L) 2014 (1.93 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.11 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (0.07 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0571 Upper Peace River Polk 1497B Lake Parker Lake 3F Nutrients Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.06 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (0.05 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TP AGM ≤ 2012 (0.05 mg/L) assessed to determine impairment. 0.03 mg/L 2013 (0.04 mg/L) 2014 (0.05 mg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0572 Upper Peace River Polk 1497D1 Lake Crago Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (77 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (67 µg/L) parameter is being added to the 303(d) List. 2012 (76 µg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0573 Upper Peace River Polk 1497D1 Lake Crago Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.14 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.14 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.13 mg/L) 0.03 mg/L Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0574 Upper Peace River Polk 1497G Lake Mirror Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (44 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (43 µg/L) parameter is being added to the 303(d) List. 2012 (43 µg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0575 Upper Peace River Polk 1497G Lake Mirror Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2009 (0.10 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.08 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.09 mg/L) 0.03 mg/L Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0576 Upper Peace River Polk 1497H Lake Morton Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (62 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (64 µg/L) parameter is being added to the 303(d) List. 2012 (52 µg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TP AGM ≤ 0.09 mg/L; Mean(s) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2009 (0.08 mg/L) 3 3 16-0577 Upper Peace River Polk 1497H Lake Morton Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (0.10 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (0.09 mg/L) 20 µg/L, TP AGM ≤ 2012 (0.08 mg/L) 0.03 mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Annual Geometric Mean(s) 2008 (43 µg/L) 2009 (38 µg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0578 Upper Peace River Polk 1497J Saddle Creek Lakes Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (49 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (44 µg/L) parameter is being added to the 303(d) List. 2012 (40 µg/L) 2013 (46 µg/L) 2014 (43 µg/L) This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three year period. This Annual Geometric parameter is being added to the 303(d) List. Through correspondence with Chl-a AGM ≤ 20 µg/L, Mean(s) Polk County, It was determined that the TKN and TP samples collected at TN AGM ≤ 1.91 mg/L; 2008 (1.53 mg/L) station 21FLPOLKSADDLE CRK PK Y on 10/07/2010 are not considered to If Chl-a has Insufficient 2009 (1.49 mg/L) Sarasota Bay - be representative of the waterbody as a whole. Polk County has informed the 3 3 16-0579 Upper Peace River Polk 1497J Saddle Creek Lakes Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.69 mg/L) Peace - Myakka department that they will remove these samples from Florida STORET. AGM or if Chl-a AGM > 2011 (1.62 mg/L) Because data had already been extracted for IWR Run 52 upon which Group 20 µg/L, TN AGM ≤ 2012 (1.49 mg/L) 3 Cycle 3 assessments are based, the department manually excluded the 1.05 mg/L 2013 (1.47 mg/L) unrepresentative data for the time being and recalculated the TN and TP 2014 (1.37 mg/L) AGM’s for WBID 1497J. This exclusion did not change the assessment status of TN or TP for Cycle 3. This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three year period. This Annual Geometric parameter is being added to the 303(d) List. Through correspondence with Chl-a AGM ≤ 20 µg/L, Mean(s) Polk County, It was determined that the TKN and TP samples collected at TP AGM ≤ 0.09 mg/L; 2008 (0.10 mg/L) station 21FLPOLKSADDLE CRK PK Y on 10/07/2010 are not considered to If Chl-a has Insufficient 2009 (0.10 mg/L) Sarasota Bay - be representative of the waterbody as a whole. Polk County has informed the 3 3 16-0580 Upper Peace River Polk 1497J Saddle Creek Lakes Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.17 mg/L) Peace - Myakka department that they will remove these samples from Florida STORET. AGM or if Chl-a AGM > 2011 (0.11 mg/L) Because data had already been extracted for IWR Run 52 upon which Group 20 µg/L, TP AGM ≤ 2012 (0.12 mg/L) 3 Cycle 3 assessments are based, the department manually excluded the 0.03 mg/L 2013 (0.13 mg/L) unrepresentative data for the time being and recalculated the TN and TP 2014 (0.11 mg/L) AGM’s for WBID 1497J. This exclusion did not change the assessment status of TN or TP for Cycle 3. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been identified using land use. Fewer than twenty samples can be used to identify a Coastal Old Tampa 4 1 19-0629 Tampa Bay Hillsborough 1498 Brushy Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 5/8 waterbody as impaired if there are at least five exceedances, per 62- Bay Tributary 303.390(2)(f) F.A.C. There is a DEP Adopted Fecal Coliform TMDL for this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0835 Hillsborough River Hillsborough 1499 Thirteen Mile Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 16/19 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. LVI 21FLTPA Average score of at TPMHAML01L This waterbody is impaired for this parameter based on failing bioassessments Sarasota Bay - least two temporally 3 3 16-0581 Upper Peace River Polk 15002 Middle Lake Hamilton Lake 3F Biology (20JUN2013: 31) and nutrients have been determined to be the causative pollutant. This Peace - Myakka independent LVI scores 21FLTPA parameter is being added to the 303(d) List. ≥ 43. TPMHAML01L (24JUN2015: 20) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0582 Upper Peace River Polk 15002 Middle Lake Hamilton Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2011 (51 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2013 (37 µg/L) parameter is being added to the 303(d) List. 2014 (28 µg/L) Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0583 Upper Peace River Polk 15002 Middle Lake Hamilton Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (2.16 mg/L) exceeded the nutrient threshold more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2013 (2.07 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2014 (1.73 mg/L) 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0584 Upper Peace River Polk 15002 Middle Lake Hamilton Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.07 mg/L) exceeded the nutrient threshold more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2013 (0.07 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2014 (0.06 mg/L) 0.05 mg/L Sarasota Bay - 2 3 10-0235 Upper Peace River Polk 1501A Lake Lena Run Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 24/43 Impaired based on the number of exceedances. Peace - Myakka Annual Geometric Mean(s) 2008 (23 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (19 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0585 Upper Peace River Polk 1501B Lake Ariana Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (29 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (36 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (28 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (24 µg/L) 2014 (26 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.02 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (1.10 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0586 Upper Peace River Polk 1501B Lake Ariana Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.33 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (1.51 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (1.19 mg/L) assessed to determine impairment. 1.05 mg/L 2013 (1.28 mg/L) 2014 (1.34 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 2.23 mg/L; 2008 (1.02 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 2009 (1.15 mg/L) 3 3 16-0587 Upper Peace River Polk 1501V Spirit Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (1.22 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (1.35 mg/L) 20 µg/L, TN AGM ≤ 2012 (1.73 mg/L) 1.27 mg/L 2013 (1.76 mg/L) Chl-a AGM ≤ 6 µg/L, Annual Geometric TP AGM ≤ 0.03 mg/L; This waterbody is impaired for this parameter. The annual geometric mean Mean(s) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2011 (0.02 mg/L) 3 3 16-0588 Upper Peace River Polk 1501W Sears Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2012 (0.02 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2014 (0.02 mg/L) 6 µg/L, TP AGM ≤ 0.01 assessed to determine impairment. 2015 (0.01 mg/L) mg/L AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (14 µg/L) Coastal Old Tampa exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0630 Tampa Bay Hillsborough 1502C Chapman Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2015 (25 µg/L) Bay Tributary year period. This parameter is being added to the Verified List and the 2016 (46 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (34 µg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2009 (19 µg/L) 3 3 16-0589 Upper Peace River Polk 15041 Lake Hamilton Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (20 µg/L) parameter is being added to the 303(d) List. 2013 (32 µg/L) 2014 (27 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 2.23 mg/L; 2008 (0.80 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 2009 (1.23 mg/L) 3 3 16-0590 Upper Peace River Polk 15041 Lake Hamilton Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (1.07 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (1.04 mg/L) 20 µg/L, TN AGM ≤ 2013 (1.74 mg/L) 1.27 mg/L 2014 (1.58 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0836 Hillsborough River Hillsborough 1505 Clay Gully Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/18 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Annual Geometric This waterbody is impaired for this parameter. The annual geometric means Tampa Bay Mean(s) 3 2 15-0837 Hillsborough River Polk 1506A Meadow View Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This Tributaries 2010 (33 µg/L) parameter is being added to the 303(d) List. 2011 (34 µg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; Annual Geometric If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Tampa Bay Mean(s) 3 2 15-0838 Hillsborough River Polk 1506A Meadow View Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Tributaries 2009 (0.09 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (0.07 mg/L) 20 µg/L, TP AGM ≤ 0.05 mg/L pp = 83 / 120; vp = 69 / 81. Verified impaired. Nutrients (total nitrogen) and BOD were identified as the causative pollutants based on Chl-a data/nutrient Nutrients, Biochemical Coastal Old Tampa impairment. Verified period median TN = 1.41 mg/L (90 values), median TP = 2 1 09-2468 Tampa Bay Hillsborough 1507A Channel A Estuary 3M Dissolved Oxygen Dissolved Oxygen Oxygen Demand (added < 4.0 mg/L Low Bay Tributary 0.15 mg/L (93 values), median BOD = 3.0 mg/L (91 values). EPA developed from comments) and proposed TMDL in September 2004. In Cycle 1 the WBID name was Rocky Creek. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa 4 1 19-0631 Tampa Bay Hillsborough 1507A Rocky Creek (Channel A) Estuary 2 Enterococci ≤ 130 Counts / 100 mL High 41/78 identified using chemical tracer data and land use. This parameter is being Bay Tributary added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Old Tampa 4 1 19-0632 Tampa Bay Hillsborough 1507A Rocky Creek (Channel A) Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 45/78 exceedances for the sample size. This parameter is being added to the Bay Tributary Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Station 21FLHILL102 (Channel A at SR 580 Coastal Old Tampa bridge) had a median value that exceeded the 14 counts/100 mL criterion with 4 1 19-0633 Tampa Bay Hillsborough 1507A Rocky Creek (Channel A) Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Medium Impaired Bay Tributary at least 20 samples in the verified period. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Anclote River / Klosterman Bayou Run Nutrients (added from pp = 71 / 350; vp = 49 / 231 Verified impaired. Nutrients were identified as 1 5 09-1040 Springs Coast Coastal Pinellas Pinellas 1508 Estuary 3M Dissolved Oxygen Dissolved Oxygen < 4.0 mg/L High Tidal comments) the causative pollutant based on Chl-a data/nutrient impairment verification. County pp = Potentially impaired; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 1999 - 2005, and values were 27.9, 32.44, 30.02, 22.67, 49.07, 38.14 and 45.29 µg/l, respectively. For the historical listing, Anclote River / annual average Chl-a values in the verified period exceeded the minimum Klosterman Bayou Run Median TN = 1.665 1 5 09-1041 Springs Coast Coastal Pinellas Pinellas 1508 Estuary 3M Nutrients Nutrients (Chlorophyll-a) High historical annual average value of 21.12 µg/l for 1990-1994 by more than 50% Tidal mg/L County in 2004 (38.14 µg/l), and 2005 (45.28 µg/l). Nitrogen is the limiting nutrient based on a median TN/TP ratio of 3.16 (133 values). The verified period total nitrogen median = 1.665 (134 values), total phosphorus median = 0.59 mg/l (150 values), and the BOD median = 3.25 mg/l (106 values). This waterbody is impaired for this parameter based on the number of Anclote River / exceedances for the sample size. This parameter is being added to the 3 5 18-0308 Springs Coast Coastal Pinellas Pinellas 1508 Klosterman Bayou Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 16/17 Verified List and the department is requesting EPA add it to the 303(d) List. County There is a DEP Adopted - EPA Approved Fecal Coliform TMDL for this waterbody and therefore, the priority for TMDL Development is Low. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This parameter is impaired for this waterbody based on the number of Anclote River / exceedances for the sample size. Total nitrogen and total phosphorus were Total Nitrogen, Total 2 5 12-0500 Springs Coast Coastal Pinellas Pinellas 1508A Klosterman Bayou Run Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 18/25 identified as causative pollutants because they were elevated relative to Phosphorus County comparable reference condition waters (exceeded 1.7 mg/L for TN and 0.12 for TP). This parameter will be added to the 303(d) list. Anclote River / This parameter is impaired for this waterbody based on the number of 2 5 12-0501 Springs Coast Coastal Pinellas Pinellas 1508A Klosterman Bayou Run Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Medium 9/20 exceedances for the sample size and is being added to the 303(d) list. County This parameter is impaired for this waterbody because the annual average Anclote River / 2007 (40 µg/L) chlorophyll-a values exceeded 20 µg/l in 2007 and 2008. Based on the 2 5 12-0502 Springs Coast Coastal Pinellas Pinellas 1508A Klosterman Bayou Run Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2008 (47 µg/L) median TN/TP ratio of 2, total nitrogen is the limiting nutrient. This parameter County is being added to the 303(d) list. AGM 2010 (2.04 mg/L) This waterbody is impaired for this parameter because the annual geometric Anclote River / 2013 (2.49 mg/L) means exceeded the criterion more than once in a three-year period. This 3 5 18-0309 Springs Coast Coastal Pinellas Pinellas 1508A Klosterman Bayou Run Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium 2014 (2.70 mg/L) parameter is being added to the Verified List and the department is requesting County 2015 (2.35 mg/L) EPA add it to the 303(d) List. 2016 (1.93 mg/L) 2017 (2.30 mg/L) AGM 2010 (0.69 mg/L) This waterbody is impaired for this parameter because the annual geometric Anclote River / 2013 (0.62 mg/L) means exceeded the criterion more than once in a three-year period. This 3 5 18-0310 Springs Coast Coastal Pinellas Pinellas 1508A Klosterman Bayou Run Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2014 (0.65 mg/L) parameter is being added to the Verified List and the department is requesting County 2015 (0.57 mg/L) EPA add it to the 303(d) List. 2016 (0.42 mg/L) 2017 (0.51 mg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means 2009 (41 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (30 µg/L) 3 3 16-0591 Upper Peace River Polk 15101 Lake Eva Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (31 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (33 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (32 µg/L) 2014 (34 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; This waterbody is impaired for this parameter. The annual geometric means 2009 (2.00 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (1.83 mg/L) 3 3 16-0592 Upper Peace River Polk 15101 Lake Eva Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (1.68 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (1.67 mg/L) 20 µg/L, TN AGM ≤ assessed to determine impairment. 2013 (1.69 mg/L) 1.05 mg/L 2014 (1.62 mg/L) AGM 2010 (4.31 mg/L) This waterbody is impaired for this parameter because the annual geometric Anclote River / 2011 (4.41 mg/L) Wall Spring (Health means exceeded the criterion more than once in a three-year period. This 3 5 18-0311 Springs Coast Coastal Pinellas Pinellas 1512Z Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2012 (4.54 mg/L) Springs) parameter is being added to the Verified List and the department is requesting County 2013 (3.45 mg/L) EPA add it to the 303(d) List. 2014 (4.00 mg/L) 2015 (3.94 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa Hillsborough, Double Branch identified using land use. Fewer than twenty samples can be used to identify a 4 1 19-0634 Tampa Bay 1513E Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 13/14 Bay Tributary Pinellas (Freshwater Segment) waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa Double Branch (Estuarine 4 1 19-0635 Tampa Bay Hillsborough 1513F Estuary 2 Enterococci ≤ 130 Counts / 100 mL Low 59/78 identified using land use. There is a DEP Adopted Fecal Coliform TMDL for Bay Tributary Segment) this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Old Tampa Rocky Creek (Upper-Mid This parameter is impaired for this waterbody based on the number of 3 1 13-0178 Tampa Bay Hillsborough 1517 Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 12/25 Bay Tributary Segment) exceedances for the sample size and is being added to the 303(d) list. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0839 Hillsborough River Hillsborough 1518 East Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/24 Tributaries exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0840 Hillsborough River Hillsborough 1520 Hollomans Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/5 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Annual Geometric Mean(s) 2008 (31 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (27 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0593 Upper Peace River Polk 1521B Lake Eloise Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (31 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (39 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (27 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (13 µg/L) 2014 (34 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (0.93 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (0.88 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0594 Upper Peace River Polk 1521B Lake Eloise Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.20 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (1.43 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (1.05 mg/L) assessed to determine impairment. 1.05 mg/L 2013 (0.89 mg/L) 2014 (1.56 mg/L) Total Phosphorus, Sarasota Bay - Impaired with total phosphorus and biochemical oxygen demand identified as 2 3 10-0241 Upper Peace River Polk 1521C Lake Lulu Run Stream 3F Dissolved Oxygen Biochemical Oxygen ≥ 5.0 mg/L Medium 17/25 Peace - Myakka the causative pollutants. Demand Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Sarasota Bay - 2 3 10-0242 Upper Peace River Polk 1521C Lake Lulu Run Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/22 Impaired based on the number of exceedances. Peace - Myakka This waterbody is impaired because annual average Chl-a values exceeded Sarasota Bay - 2005 (18.1 µg/l) 2 3 10-0243 Upper Peace River Polk 1521C Lake Lulu Run Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 20 µg/l in 2008. Nitrogen and phosphorus are the limiting nutrients based on a Peace - Myakka 2008 (33.3 µg/l) median TN/TP ratio of 10.04 (n=23). Annual Geometric Mean(s) 2008 (14 µg/L) 2009 (23 µg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0595 Upper Peace River Polk 1521I Lake Hartridge Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (24 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (28 µg/L) parameter is being added to the 303(d) List. 2012 (28 µg/L) 2013 (35 µg/L) 2014 (27 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (0.70 mg/L) If Chl-a has Insufficient 2009 (0.97 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0596 Upper Peace River Polk 1521I Lake Hartridge Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (0.82 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (1.21 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2012 (2.39 mg/L) 1.05 mg/L 2013 (1.82 mg/L) 2014 (1.54 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.02 mg/L) If Chl-a has Insufficient 2009 (0.02 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 3 3 16-0597 Upper Peace River Polk 1521I Lake Hartridge Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.02 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.03 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.05 mg/L) 0.03 mg/L 2013 (0.05 mg/L) 2014 (0.02 mg/L) Annual Geometric Mean(s) 2008 (32 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (37 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0598 Upper Peace River Polk 1521L Lake Marianna Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (25 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (42 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (36 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (35 µg/L) 2014 (37 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.36 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (1.69 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0599 Upper Peace River Polk 1521L Lake Marianna Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.35 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (1.71 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (1.48 mg/L) assessed to determine impairment. 1.05 mg/L 2013 (1.64 mg/L) 2014 (1.79 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.04 mg/L) This waterbody is impaired for this parameter. The annual geometric mean If Chl-a has Insufficient 2009 (0.02 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0600 Upper Peace River Polk 1521P Deer Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.03 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (0.03 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TP AGM ≤ 2012 (0.06 mg/L) assessed to determine impairment. 0.03 mg/L 2013 (0.05 mg/L) 2014 (0.02 mg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means 2008 (75 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (59 µg/L) 3 3 16-0601 Upper Peace River Polk 1521Q Lake Blue Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (71 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (34 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (58 µg/L) 2014 (52 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; This waterbody is impaired for this parameter. The annual geometric means 2008 (2.63 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (2.51 mg/L) 3 3 16-0602 Upper Peace River Polk 1521Q Lake Blue Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (3.16 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (2.31 mg/L) 20 µg/L, TN AGM ≤ assessed to determine impairment. 2013 (2.63 mg/L) 1.05 mg/L 2014 (2.28 mg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TP AGM ≤ 0.09 mg/L; Mean(s) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2008 (0.07 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0603 Upper Peace River Polk 1521Q Lake Blue Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.06 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (0.06 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TP AGM ≤ 2012 (0.06 mg/L) assessed to determine impairment. 0.03 mg/L 2014 (0.05 mg/L) Average score of at Quarterly LVI Means This waterbody is impaired for this parameter based on failing bioassessments Tampa Bay least two temporally 2010 (Q3) : 43 3 2 15-0841 Hillsborough River Hillsborough 1522B Lake Thonotosassa Lake 3F Biology Nutrients Medium and nutrients have been determined to be the causative pollutant. This Tributaries independent LVI scores 2012 (Q4) : 37 parameter is being added to the 303(d) List. ≥ 43 2013 (Q3) : 32 Tampa Bay Cu ≤ e(0.8545[lnH]- This waterbody is impaired for this parameter based on the number of 3 2 15-0845 Hillsborough River Hillsborough 1522C Baker Creek Stream 3F Copper Medium 6/29 Tributaries 1.702) µg/L exceedances for the sample size and is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay 4 2 20-0396 Hillsborough River Hillsborough 1522E Baker Creek East Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 25/41 confirmed using genetic marker and chemical tracer data. This parameter is Tributaries being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0847 Hillsborough River Hillsborough 1523 Curiosity Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 25/28 Tributaries exceedances for the sample size and is being added to the 303(d) List. Anclote River / This parameter is impaired for this waterbody based on the number of 2 5 12-0506 Springs Coast Coastal Pinellas Pinellas 1527B Bee Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Medium 48/51 exceedances for the sample size and is being added to the 303(d) list. The County water for WBID 1527B was assessed as WBID 1527 in cycle 1. Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=3) Anclote River / and nutrients have been determined to be the causative pollutant. Data used the two most recent Big Mean (40) 3 5 18-0312 Springs Coast Coastal Pinellas Pinellas 1527B Bee Branch Stream 3F Biology Nutrients Medium in this assessment was provided by Pinellas County. This parameter is being SCI scores ≥ 35; or if Mean 1 (37), Mean 2 County added to the Verified List and the department is requesting EPA add to the there are only two SCI (33 ) 303(d) List. scores and there is less than or equal to a 20 point difference. 04/17/2014: Avg CofC - .9, FLEPPC - 63% (21FLPDEM) This waterbody is impaired for this parameter based on failing linear Anclote River / 12/16/2014: Avg CofC - vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. Data used LVS C of C ≥ 2.5 and 3 5 18-0313 Springs Coast Coastal Pinellas Pinellas 1527B Bee Branch Stream 3F Nutrients (Macrophytes) Medium .1, FLEPPC - 94% in this assessment was provided by Pinellas County. This parameter is being LVS FLEPPC ≤ 25% County (21FLPDEM) added to the Verified List and the department is requesting EPA add to the 02/10/2016: Avg CofC - 303(d) List. .9, FLEPPC - 69% (21FLPDEM) AGM 2010 (0.10 mg/L) 2011 (0.12 mg/L) This waterbody is impaired for this parameter. The annual geometric means Anclote River / 2012 (0.13 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 5 18-0314 Springs Coast Coastal Pinellas Pinellas 1527B Bee Branch Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2013 (0.13 mg/L) there is biological evidence indicating non attainment of the designated use. County 2014 (0.13 mg/L) This parameter is being added to the Verified List and the department is 2015 (0.13 mg/L) requesting EPA add to the 303(d) List. 2016 (0.14 mg/L) 2017 (0.17 mg/L) ENRB5 (AAM) 2010 (6.7 µg/L) 2011 (7.1 µg/L) This waterbody is impaired for this parameter because the annual arithmetic Anclote River / ENRB5 2012 (9.4 µg/L) means exceeded the applicable ENR criterion more than once in a three year 3 5 18-0315 Springs Coast Coastal Pinellas Pinellas 1528A The Narrows Estuary 3M Nutrients (Chlorophyll-a) Medium AAM ≤ 8.3 µg/L 2013 (9.5 µg/L) period. This parameter is being added to the Verified List and the department County 2014 (8.2 µg/L) is requesting EPA add it to the 303(d) List. 2015 (9.5 µg/L) 2016 (10.3 µg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size This parameter is being added to the Coastal Old Tampa Verified List and the department is requesting EPA add it to the 303(d) List. 4 1 19-0636 Tampa Bay Pinellas 1529 Cow Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 13/20 Bay Tributary Data that were available in FL STORET as Escherichia were manually added to the assessment because they were not available in the IWR Run 56 database. Coastal Old Tampa This parameter is impaired for this waterbody based on the number of 3 1 13-0181 Tampa Bay Pinellas 1529B South Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/22 Bay Tributary exceedances for the sample size and is being added to the 303(d) list. This parameter is impaired for this waterbody because the annual average chlorophyll-a values exceeded the IWR threshold for streams of 20 µg/L in 2010. Based on the median TN/TP ratio of 16, total nitrogen and total phosphorus are co-limiting nutrients. The period of record assessment, which Coastal Old Tampa uses all available data regardless of age, indicated potential impairment. 3 1 13-0182 Tampa Bay Pinellas 1529B South Creek Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (25 µg/L) Bay Tributary However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. Dissolved oxygen is impaired and historic chlorophyll-a has insufficient data. This parameter is being added to the 303(d) list. Coastal Old Tampa 1 1 02-1384 Tampa Bay Pinellas 1530 Moccasin Creek Estuary 3M Nutrients (Chlorophyll-a) Median TN = 0.94 mg/L Low 2008 NITROGEN IS LIMITING NUTRIENT. Bay Tributary pp = 67 / 128; vp = 41 / 72. Verified impaired. Nutrient (total nitrogen) and Nutrients, Biochemical Coastal Old Tampa BOD were identified as the causative pollutants based on Chl-a data/nutrient 2 1 09-2432 Tampa Bay Pinellas 1530 Moccasin Creek Tidal Estuary 3M Dissolved Oxygen Dissolved Oxygen Oxygen Demand (added < 4.0 mg/L Low Bay Tributary impairment. Verified period median TN = 1.13 mg/L (46 values), median TP = from comments) 0.23 mg/L (56 values), median BOD = 2.0 mg/L (42 values). Coastal Old Tampa 2 1 09-2472 Tampa Bay Pinellas 1530A Moccasin Creek Lake 3F Fecal Coliform > 400 Counts/100 ml Low pp = No data; vp = 5 / 7. Verified impaired. Bay Tributary This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three year period. There AGM are insufficient data to determine the long-term geometric mean color and Coastal Old Tampa 4 1 19-0637 Tampa Bay Pinellas 1530A Moccasin Creek Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2011 (64 µg/L) alkalinity yet the annual geometric mean chlorophyll-a exceeds the applicable Bay Tributary 2013 (59 µg/L) criterion for a colored lake. This parameter is being added to the Verified List per 62-303.450(4) F.A.C. and the department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 2.23 mg/L; exceeded the nutrient criteria more than once in a three year period. There If Chl-a has Insufficient AGM are insufficient data to determine the long-term geometric mean color and Coastal Old Tampa 4 1 19-0638 Tampa Bay Pinellas 1530A Moccasin Creek Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (1.55 mg/L) alkalinity yet the annual geometric mean chlorophyll-a exceeds the applicable Bay Tributary AGM or if Chl-a AGM > 2013 (1.63 mg/L) criterion for a colored lake. This parameter is being added to the Verified List 20 µg/L, TN AGM ≤ per 62-303.450(4) F.A.C. and the department is requesting EPA add it to the 1.27 mg/L 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 20 µg/L, This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.16 mg/L; exceeded the nutrient criteria more than once in a three year period. There If Chl-a has Insufficient AGM are insufficient data to determine the long-term geometric mean color and Coastal Old Tampa 4 1 19-0639 Tampa Bay Pinellas 1530A Moccasin Creek Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.17 mg/L) alkalinity yet the annual geometric mean chlorophyll-a exceeds the applicable Bay Tributary AGM or if Chl-a AGM > 2013 (0.14 mg/L) criterion for a colored lake. This parameter is being added to the Verified List 20 µg/L, TP AGM ≤ per 62-303.450(4) F.A.C. and the department is requesting EPA add it to the 0.05 mg/L 303(d) List. AGM 2009 (61 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2010 (52 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Upper Kissimmee 2011 (55 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0306 Kissimmee River Polk 1532A Lake Pierce Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Planning Unit 2012 (66 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2013 (59 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (42 µg/L) impairment. This parameter is being added to the 303(d) List. 2015 (37 µg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (2.55 mg/L) This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2010 (2.17 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2011 (2.24 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0307 Kissimmee River Polk 1532A Lake Pierce Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit 2012 (2.57 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (2.34 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2014 (2.00 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L 2015 (1.59 mg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (0.08 mg/L) This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2010 (0.06 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2011 (0.04 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0308 Kissimmee River Polk 1532A Lake Pierce Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Planning Unit 2012 (0.06 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (0.04 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2014 (0.05 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L 2015 (0.02 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0397 Hillsborough River Hillsborough 1533 Campbell Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of Coastal exceedances for a sample size less than 20. Fewer than twenty samples may 3 1 13-0183 Tampa Bay Hillsborough Bay Hillsborough 1536A Unnamed Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/11 be used to identify a waterbody as impaired if there are at least five Tributary exceedances, per Rule 62-303.420(7)(a), F.A.C. This parameter is being added to the 303(d) list. This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Median total nitrogen and total phosphorus Coastal Sixmile Creek (Tampa Biochemical Biochemical Oxygen values were not elevated relative to comparable waters and biochemical 3 1 13-0184 Tampa Bay Hillsborough Bay Hillsborough 1536B Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Low 49/145 Bypass Canal) Oxygen Demand Demand oxygen demand was identified as the causative pollutant because it was Tributary elevated relative to comparable waters (exceeded 2.0 mg/L). This parameter is being added to the 303(d) list. This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Median total nitrogen and total phosphorus Coastal Sixmile Creek (Tampa Biochemical Oxygen values were not elevated relative to comparable waters and biochemical 3 1 13-0185 Tampa Bay Hillsborough Bay Hillsborough 1536B Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L Low 49/145 Bypass Canal) Demand oxygen demand was identified as the causative pollutant because it was Tributary elevated relative to comparable waters (exceeded 2.0 mg/L). This parameter is being added to the 303(d) list. Coastal Tampa Bypass Canal This parameter is impaired for this waterbody based on the number of 3 1 13-0187 Tampa Bay Hillsborough Bay Hillsborough 1536C Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 10/25 Tributary exceedances for the sample size and is being added to the 303(d) list. Tributary This waterbody is impaired for this parameter based on the number of Coastal exceedances for the sample size and anthropogenic sources have been 4 1 19-0640 Tampa Bay Hillsborough Bay Hillsborough 1536E Palm River Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 59/231 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. pp = Planning list; vp = Verified impaired. Annual average Chl-a values exceeded 20 µg/l in 2001 - 2006, and exceedance values were 57.77, 46.98, Coastal 10.27, 9.997, 29.37, 39.22, 21.81, 39.46 and 26.33 µg/L, respectively. 2 1 09-2380 Tampa Bay Hillsborough Bay Hillsborough 1536F Sixmile Creek Stream 3F Nutrients (Chlorophyll-a) Median TN = 0.87 mg/l Medium Nitrogen is the limiting nutrient based on a median TN/TP ratio of 5.20 (96 Tributary values). Verified period median TN = 0.87 mg/l (96 values), median TP = 0.15 mg/l (99 values), and BOD median = 2.7 mg/l (95 values). WBID name changed from Lake Parker to Lake Wire. This calculation has Tampa Bay Pb ≤ e^(1.273[lnH]- 2 2 09-2320 Hillsborough River Polk 1537 Lake Wire Lake 3F Lead Medium 8/8 been done excluding the City of Lakeland data due to quality assurance Tributaries 4.705) issues. Annual Geometric Mean(s) This waterbody is impaired for this parameter because the annual geometric Tampa Bay 3 2 15-0849 Hillsborough River Polk 1537A Lake Bonnet Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (94 µg/L) means exceeded the IWR threshold of 20 µg/L more than once in a three year Tributaries 2011 (156 µg/L) period. This parameter is being added to the 303(d) List. 2012 (144 µg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TP AGM ≤ 0.16 mg/L; Mean(s) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Tampa Bay 2009 (0.26 mg/L) 3 2 15-0850 Hillsborough River Polk 1537A Lake Bonnet Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Tributaries 2010 (0.20 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (0.28 mg/L) 20 µg/L, TP AGM ≤ 2012 (0.27 mg/L) 0.05 mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Average score of at least two temporally independent LVI scores ≥ 43; or either of the This waterbody is impaired for this parameter based on failing bioassessments LVI (n=2) Tampa Bay two most recent LVI and nutrients have been determined to be the causative pollutant. This 4 2 20-0398 Hillsborough River Polk 1537A Lake Bonnet Lake 3F Biology Nutrients Medium WBID Mean (19) Tributaries scores ≥ 43; or if there parameter is being added to the Verified List and the department is requesting Mean 1 (9), Mean 2 (29) are only two LVI scores EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. This waterbody is impaired for this parameter based on the number of Tampa Bay Pb ≤ e(1.273[lnH]- 4 2 20-0399 Hillsborough River Polk 1537A Lake Bonnet Lake 3F Lead Medium 15/15 exceedances for the sample size. This parameter is being added to the Tributaries 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 1.91 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or Tampa Bay 2015 (4.15 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0400 Hillsborough River Polk 1537A Lake Bonnet Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium Tributaries 2017 (3.46 mg/L) three year period. This parameter will remain on the Verified List and the AGM or if Chl-a AGM > 2018 (3.29 mg/L) 303(d) List. 20 µg/L, TN AGM ≤ 1.05 mg/L pp = No data; vp = 33 / 62 Verified impaired. Annual average Chl-a values exceeded 11 µg/l in all years from 1999-2004, and the values were 27.29, Anclote River / 32.09, 35.35, 15.15, and 24.51 µg/l, respectively. Nitrogen is the limiting 1 5 09-1046 Springs Coast Coastal Pinellas Pinellas 1538 Curlew Creek Tidal Estuary 3M Nutrients Nutrients (Chlorophyll-a) Median TN = 1.65 mg/L High nutrient based on a median TN/TP ratio of 7.9 (67 values). The verified period County total nitrogen median = 1.65 mg/l (68 values), total phosphorus median = 0.22 mg/l (67 values), and the BOD median = 2.6 mg/l (47 values). Annual Geometric Mean(s) Chl-a AGM ≤ 6 µg/L, 2008 (0.82 mg/L) TN AGM ≤ 0.93 mg/L; This waterbody is impaired for this parameter. The annual geometric mean 2009 (0.73 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (0.75 mg/L) 3 3 16-0604 Upper Peace River Polk 1539C Lake Annie Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (0.86 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (0.83 mg/L) 6 µg/L, TN AGM ≤ 0.51 assessed to determine impairment. 2013 (0.89 mg/L) mg/L 2014 (0.96 mg/L) 2015 (0.93 mg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2011 (18 µg/L) 3 3 16-0605 Upper Peace River Polk 1539D Lake Otis Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2012 (21 µg/L) parameter is being added to the 303(d) List. 2013 (21 µg/L) 2014 (16 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.95 mg/L) If Chl-a has Insufficient 2009 (2.15 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 3 3 16-0606 Upper Peace River Polk 1539D Lake Otis Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.49 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (1.75 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2012 (1.52 mg/L) 1.05 mg/L 2013 (1.26 mg/L) 2014 (0.79 mg/L) pp = No data; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 2005, and the exceedance value was 25.99 µg/L. Nitrogen is the Coastal Old Tampa 2 1 09-2475 Tampa Bay Pinellas 1541A Lake Tarpon Canal Estuary 3M Nutrients Nutrients (Chlorophyll-a) Median TN = 1.11 mg/l Low limiting nutrient based on a median TN/TP ratio of 5.56 (22 values). Verified Bay Tributary period median TN = 1.11 mg/l (22 values), median TP = 0.24 mg/l (22 values), and BOD median = 3.15 mg/l (22 values). Average score of at least two temporally This waterbody is impaired for this parameter based on failing bioassessments independent SCI and nutrients have been determined to be the causative pollutant. A stressor scores ≥ 40; or either of SCI (n=4) identification evaluation identified that best management practices would help Coastal Old Tampa the two most recent WBID Mean (32) 4 1 19-0641 Tampa Bay Pinellas 1541C Briar Creek Stream 3F Biology Nutrients Medium to reduce stormwater runoff and lower anthropogenic sources of high Bay Tributary SCI scores ≥ 35; or if Mean 1 (34), Mean 2 conductivity. This parameter is being added to the Verified List and the there are only two SCI (28) department is requesting EPA add it to the 303(d) List. Pinellas County scores and there is less provided additional biological data used in this assessment. than or equal to a 20 point difference. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Data that were available in FL STORET as Coastal Old Tampa 4 1 19-0642 Tampa Bay Pinellas 1541C Briar Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 11/20 Escherichia were manually added to the assessment because they were not Bay Tributary available in the IWR Run 56 database. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. AGM 2011 (0.24 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2012 (0.18 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Coastal Old Tampa 2013 (0.22 mg/L) 4 1 19-0643 Tampa Bay Pinellas 1541C Briar Creek Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Bay Tributary 2014 (0.17 mg/L) parameter is being added to the Verified List and the department is requesting 2015 (0.15 mg/L) EPA add it to the 303(d) List. 2016 (0.16 mg/L) 2017 (0.18 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0401 Hillsborough River Hillsborough 1542 Pemberton Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/12 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 11/07/2012: Avg CofC - This waterbody is impaired for this parameter based on failing linear Tampa Bay LVS C of C ≥ 2.5 and .7, FLEPPC - 85% vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0402 Hillsborough River Hillsborough 1542 Pemberton Creek Stream 3F Nutrients (Macrophytes) Medium Tributaries LVS FLEPPC ≤ 25% 04/18/2019: Avg CofC - coverage of > 25%. This parameter is being added to the Verified List and the .6, FLEPPC - 88% department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0852 Hillsborough River Polk 1543A Lake Hunter Outlet Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/12 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay exceedances for the sample size and anthropogenic sources have been 4 2 20-0403 Hillsborough River Hillsborough 1547 Seffner Canal Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/36 Tributaries identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means Annual Geometric exceeded the nutrient criteria more than once in a three year period. This Tampa Bay Mean(s) 3 2 15-0854 Hillsborough River Hillsborough 1547A Lake Valrico Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium parameter is being added to the 303(d) List. This waterbody was previously Tributaries 2012 (49 µg/L) impaired for Nutrients (TSI), however that parameter is no longer being 2013 (47 µg/L) assessed to determine impairment. Chl-a AGM ≤ 20 µg/L, Annual Geometric TN AGM ≤ 1.91 mg/L; This waterbody is impaired for this parameter. The annual geometric means Mean(s) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Tampa Bay 2007 (0.83 mg/L) 3 2 15-0855 Hillsborough River Hillsborough 1547A Lake Valrico Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Tributaries 2011 (0.83 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (1.32 mg/L) 20 µg/L, TN AGM ≤ assessed to determine impairment. 2013 (1.18 mg/L) 1.05 mg/L Chl-a AGM ≤ 20 µg/L, Annual Geometric TP AGM ≤ 0.09 mg/L; This waterbody is impaired for this parameter. The annual geometric means Mean(s) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Tampa Bay 2007 (0.04 mg/L) 3 2 15-0856 Hillsborough River Hillsborough 1547A Lake Valrico Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Tributaries 2011 (0.06 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (0.07 mg/L) 20 µg/L, TP AGM ≤ assessed to determine impairment. 2013 (0.07 mg/L) 0.03 mg/L Average score of at least two temporally independent LVI scores ≥ 43; or either of the This waterbody is impaired for this parameter based on failing bioassessments LVI (n=2) Tampa Bay two most recent LVI and nutrients have been determined to be the causative pollutant. This 4 2 20-0404 Hillsborough River Hillsborough 1547A Lake Valrico Lake 3F Biology Nutrients Medium WBID Mean (13) Tributaries scores ≥ 43; or if there parameter is being added to the Verified List and the department is requesting Mean 1 (7), Mean 2 (18) are only two LVI scores EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. PP - Potentially impaired; VP - Verified Impaired. PP - 3 chl-a means exceed threshold of 20 µg/L in 1993, 1996, and 1998. VP - 2 chl-a means exceed the Sarasota Bay - 1 3 05-1228 Upper Peace River Polk 1549A Banana Lake Canal Stream 3F Nutrients Nutrients (Chlorophyll-a) Median TN = 1.74 mg/L High 2004 threshold in 1998 and 2003. Nitrogen limited based on a TN/TP ratio of 1.76 Peace - Myakka (104 values) PP and 3.25 (61 values) VP. 61 TN values, median 1.744 mg/L. 63 TP values, median 0.72 mg/L. LVI Average score of at 21FLTPA This waterbody is impaired for this parameter based on failing bioassessments Sarasota Bay - least two temporally 3 3 16-0607 Upper Peace River Polk 1549B Banana Lake Lake 3F Biology Nutrients Medium 27584418154127 and nutrients have been determined to be the causative pollutant. This Peace - Myakka independent LVI scores (13AUG2008: 10; parameter is being added to the 303(d) List. ≥ 43. 09AUG2012: 8) Annual Geometric Mean(s) 2008 (74 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (67 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0608 Upper Peace River Polk 1549B Banana Lake Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (61 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (150 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (213 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (110 µg/L) 2014 (101 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (2.26 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (2.27 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0609 Upper Peace River Polk 1549B Banana Lake Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (2.12 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (3.97 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TN AGM ≤ 2012 (5.39 mg/L) assessed to determine impairment. 1.05 mg/L 2013 (3.27 mg/L) 2014 (3.29 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.21 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (0.17 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0610 Upper Peace River Polk 1549B Banana Lake Lake 3F Nutrients Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.19 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (0.37 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TP AGM ≤ 2012 (0.67 mg/L) assessed to determine impairment. 0.03 mg/L 2013 (0.49 mg/L) 2014 (0.35 mg/L) LVI Average score of at 21FLTPA This waterbody is impaired for this parameter based on failing bioassessments Sarasota Bay - least two temporally 27585018154453 3 3 16-0611 Upper Peace River Polk 1549B1 Lake Stahl Lake 3F Biology Nutrients Medium and nutrients have been determined to be the causative pollutant. This Peace - Myakka independent LVI scores (13AUG2008: 0) parameter is being added to the 303(d) List. ≥ 43. 21FLTPA TPSTAHL01L (07/17/2014: 1) Statewide Comprehensive Verified List

This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three year period. This parameter is being added to the 303(d) List. This waterbody was previously Annual Geometric impaired for Nutrients (TSI), however that parameter is no longer being Chl-a AGM ≤ 20 µg/L, Mean(s) assessed to determine impairment. Through correspondence with Polk TP AGM ≤ 0.09 mg/L; 2008 (0.20 mg/L) County, it was determined that station 21FLPOLKBANANA5 is not If Chl-a has Insufficient 2009 (0.26 mg/L) Sarasota Bay - representative of the waterbody as a whole. Furthermore, the TN and TP 3 3 16-0614 Upper Peace River Polk 1549B1 Lake Stahl Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.39 mg/L) Peace - Myakka samples collected at station 21FLPOLKBANANA4 on 10/19/2010 were AGM or if Chl-a AGM > 2011 (0.33 mg/L) determined to have been collected at station 21FLPOLKBANANA5. As per 62- 20 µg/L, TP AGM ≤ 2012 (0.41 mg/L) 303.320(8) F.A.C., TN and TP samples collected at 21FLPOLKBANANA5 will 0.03 mg/L 2013 (0.47 mg/L) be excluded from the assessment of WBID 1549B1 Lake Stahl, and the TN 2014 (0.41 mg/L) and TP AGM’s for the years of 2003, 2004, 2008 and 2010 have been recalculated omitting the non-representative results. This exclusion did not change the assessment status of TN or TP for Cycle 3. Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0615 Upper Peace River Polk 1549B2 Little Banana Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (47 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (37 µg/L) parameter is being added to the 303(d) List. 2014 (60 µg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TN AGM ≤ 1.91 mg/L; Mean(s) If Chl-a has Insufficient 2008 (1.52 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0616 Upper Peace River Polk 1549B2 Little Banana Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2009 (1.62 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2010 (1.71 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2011 (1.55 mg/L) 1.05 mg/L 2014 (2.04 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.11 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2009 (0.09 mg/L) 3 3 16-0617 Upper Peace River Polk 1549B2 Little Banana Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (0.09 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (0.07 mg/L) 20 µg/L, TP AGM ≤ 2012 (0.15 mg/L) 0.03 mg/L 2014 (0.11 mg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2010 (102 µg/L) 3 3 16-0618 Upper Peace River Polk 1549C Lake Bentley Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (133 µg/L) parameter is being added to the 303(d) List. 2012 (87 µg/L) 2013 (3 µg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 3 3 16-0619 Upper Peace River Polk 1549D Lake Horney Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2009 (0.09 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.05 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.04 mg/L) 0.03 mg/L Annual Geometric Mean(s) 2008 (64 µg/L) 2009 (72 µg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0620 Upper Peace River Polk 1549E Lake John Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (60 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (82 µg/L) parameter is being added to the 303(d) List. 2012 (79 µg/L) 2013 (127 µg/L) 2014 (102 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.46 mg/L) If Chl-a has Insufficient 2009 (1.56 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0621 Upper Peace River Polk 1549E Lake John Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.39 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (4.82 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2012 (4.29 mg/L) 1.05 mg/L 2013 (2.56 mg/L) 2014 (1.59 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.27 mg/L) If Chl-a has Insufficient 2009 (0.26 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0622 Upper Peace River Polk 1549E Lake John Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.31 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.80 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.60 mg/L) 0.03 mg/L 2013 (0.48 mg/L) 2014 (0.24 mg/L) Annual Geometric Mean(s) 2008 (75 µg/L) 2009 (86 µg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0623 Upper Peace River Polk 1549F Lake Somerset Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (89 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (103 µg/L) parameter is being added to the 303(d) List. 2012 (92 µg/L) 2013 (78 µg/L) 2014 (86 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.89 mg/L) If Chl-a has Insufficient 2009 (1.81 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0624 Upper Peace River Polk 1549F Lake Somerset Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (2.11 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (2.00 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2012 (1.86 mg/L) 1.05 mg/L 2013 (1.83 mg/L) 2014 (1.84 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2008 (0.32 mg/L) If Chl-a has Insufficient 2009 (0.23 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0625 Upper Peace River Polk 1549F Lake Somerset Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.29 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.29 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.34 mg/L) 0.03 mg/L 2013 (0.32 mg/L) 2014 (0.27 mg/L) Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0857 Hillsborough River Hillsborough 1553B Twin Lake Outlet Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 27/30 Tributaries exceedances for the sample size and is being added to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0858 Hillsborough River Hillsborough 1555Z Sulphur Springs Spring 3M Copper ≤ 3.7 µg/L Low 14/15 Tributaries exceedances for the sample size and is being added to the 303(d) List. Anclote River / Nutrients (added from pp = 64 / 221; vp = 42 / 82 Verified impaired. Nutrients were identified as a 1 5 09-1047 Springs Coast Coastal Pinellas Pinellas 1556 Cedar Creek Tidal Estuary 3M Dissolved Oxygen Dissolved Oxygen < 4.0 mg/L High comments) causative pollutant based on Chl-a data/nutrient impairment verification. County pp = Potentially impaired; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 1999 - 2005, and values were 13.91, 31.74, 12.85, Anclote River / 23.44, 3.363, 11.26 and 5.108 µg/l, respectively. Nitrogen is the limiting 1 5 09-1048 Springs Coast Coastal Pinellas Pinellas 1556 Cedar Creek Tidal Estuary 3M Nutrients Nutrients (Chlorophyll-a) Median TN = 1.05 mg/L High nutrient based on a median TN/TP ratio of 6.89 (69 values). The verified County period total nitrogen median = 1.05 mg/l (69 values), total phosphorus median = 0.15 mg/l (77 values), and the BOD median = 3 mg/l (47 values). Hillsborough, Exceeds SEAS 2 1 09-2493 Tampa Bay Lower Tampa Bay 1558A Tampa Bay Lower Estuary 2 Bacteria (in Shellfish) Medium Listed due to downgrade in shellfish harvesting classification. Manatee thresholds Hillsborough, Exceeds SEAS 2 1 09-3494 Tampa Bay Middle Tampa Bay 1558BZ Tampa Bay Lower North Estuary 2 Bacteria (in Shellfish) Medium Listed due to downgrade in shellfish harvesting classification. Manatee, Pinellas thresholds Beach Advisories 2011 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2012 (14 days) more of beach advisories in the verified period. This is a beach WBID, which < 21 days of beach 2013 (0 days) 4 1 19-0644 Tampa Bay Middle Tampa Bay Hillsborough 1558CB E G Simmons Park Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This advisories 2014 (43 days) parameter is being added to the Verified List and the department is requesting 2015 (68 days) EPA add it to the 303(d) List. 2016 (80 days) 2017 (75 days) Beach Advisories 2011 (6 days) This waterbody is impaired for this parameter because there were 21 days or 2012 (19 days) more of beach advisories in the verified period. This is a beach WBID, which < 21 days of beach 2013 (7 days) 4 1 19-0645 Tampa Bay Middle Tampa Bay Hillsborough 1558CC Bahia Beach Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This advisories 2014 (0 days) parameter is being added to the Verified List and the department is requesting 2015 (32 days) EPA add it to the 303(d) List. 2016 (28 days) 2017 (29 days) Beach Advisories 2011 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2012 (27 days) more of beach advisories in the verified period. This is a beach WBID, which < 21 days of beach 2013 (14 days) 4 1 19-0646 Tampa Bay Hillsborough Bay Hillsborough 1558EB Davis Island Beach Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This advisories 2014 (21 days) parameter is being added to the Verified List and the department is requesting 2015 (37 days) EPA add it to the 303(d) List. 2016 (37 days) 2017 (68 days) < 21 days of beach Beach advisories posted for a total of 5 days in 2002, 7 days in 2003, and 41 2 1 09-2500 Tampa Bay Old Tampa Bay Hillsborough 1558FB Picnic Island South Beach 3M Bacteria (Beach Advisories) High advisories days in 2004. 2005 (0 days) 2006 (0 days) This parameter is impaired for this waterbody because there were 21 days, or 2007 (5 days) < 21 days of beach more, of beach advisories in 2009 and 2011. This is a beach WBID, which are 3 1 13-0188 Tampa Bay Old Tampa Bay Hillsborough 1558FC Picnic Island (North) Beach 3M Bacteria (Beach Advisories) High 2008 (0 days) advisories assessed solely on beach advisory information received from DOH.^ This 2009 (21 days) parameter is being added to the 303(d) list. 2010 (0 days) 2011 (72 days) < 21 days of beach Beach advisories posted for a total of 8 days in 2002, 35 days in 2003, 18 2 1 09-2504 Tampa Bay Old Tampa Bay Hillsborough 1558HB Ben T. Davis North Beach 3M Bacteria (Beach Advisories) High advisories days in 2004, 14 days in 2005, and 5 days in 2007. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Beach Advisories 2011 (28 days) This waterbody is impaired for this parameter because there were 21 days or 2012 (63 days) more of beach advisories in the verified period. This is a beach WBID, which < 21 days of beach 2013 (57 days) 4 1 19-0647 Tampa Bay Old Tampa Bay Hillsborough 1558HC Ben T Davis (South) Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This advisories 2014 (29 days) parameter is being added to the Verified List and the department is requesting 2015 (0 days) EPA add it to the 303(d) List. 2016 (0 days) 2017 (no advisory) Beach Advisories 2011 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2012 (28 days) more of beach advisories in the verified period. This is a beach WBID, which Cypress Point Park < 21 days of beach 2013 (43 days) 4 1 19-0648 Tampa Bay Old Tampa Bay Hillsborough 1558HD Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This (North) advisories 2014 (22 days) parameter is being added to the Verified List and the department is requesting 2015 (41 days) EPA add it to the 303(d) List. 2016 (21 days) 2017 (25 days) Beach Advisories 2011 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2012 (28 days) more of beach advisories in the verified period. This is a beach WBID, which Cypress Point Park < 21 days of beach 2013 (49 days) 4 1 19-0649 Tampa Bay Old Tampa Bay Hillsborough 1558HE Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This (South) advisories 2014 (13 days) parameter is being added to the Verified List and the department is requesting 2015 (0 days) EPA add it to the 303(d) List. 2016 (0 days) 2017 (no advisory) pp = Planning list; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 2001 and 2003 - 2005, and exceedance values were 12.91, 13.33, 15.69, and 14.17 µg/L, respectively. Nitrogen is the limiting 2 1 09-2509 Tampa Bay Old Tampa Bay Pinellas 1558IA Safety Harbor Estuary 3M Nutrients (Chlorophyll-a) Median TN = 0.77 Medium nutrient based on a median TN/TP ratio of 4.46 (87 values). Verified period median TN = 0.77 mg/l (88 values), median TP = 0.18 mg/l (97 values), BOD median = 2.0 mg/l (22 values). This parameter is impaired because the shellfish harvesting classification is Exceeds Shellfish not fully approved by the Shellfish Environmental Assessment Section (SEAS) Fecal Coliform (SEAS Evaluation & 3 1 13-0190 Tampa Bay Lower Tampa Bay Pinellas 1558N Boca Ciega Bay (South) Estuary 2 High No Data of the Department of Agriculture and Consumer Services. Other coliform Classification) Assessment Section assessments for this WBID indicated no impairment. This parameter is being (SEAS) thresholds added to the 303(d) list. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa Rocky Creek (Lower 4 1 19-0650 Tampa Bay Hillsborough 1563 Estuary 2 Enterococci ≤ 130 Counts / 100 mL Low 64/78 identified using land use. There is a DEP Adopted Fecal Coliform TMDL for Bay Tributary Segment) this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0859 Hillsborough River Hillsborough 1565 Moore Lake Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 16/27 Tributaries exceedances for the sample size and is being added to the 303(d) List. Anclote River / This parameter is impaired for this waterbody based on the number of Stevenson Creek (Tidal 2 5 12-0509 Springs Coast Coastal Pinellas Pinellas 1567 Estuary 3M Coliforms Fecal Coliform ≤ 400 Counts / 100 mL 2006 10/24 exceedances for the sample size. It was delisted in cycle 1 but is currently Segment) County impaired and will be included on the cycle 2 Verified List and on the 303(d) list. Anclote River / Biochemical Oxygen Impaired for DO Cat 5 with BOD as causative pollutant. 'pp = 6 / 10; vp = 24 / 1 5 09-1053 Springs Coast Coastal Pinellas Pinellas 1567B Spring Branch Stream 3F Dissolved Oxygen Demand (added from < 5.0 mg/L Medium 45 Verified impaired. TN median = 1.2 mg/L, TP median = 0.2 mg/L, BOD County comments) median = 4 mg/L (n=6, run35) Anclote River / 1 5 09-1052 Springs Coast Coastal Pinellas Pinellas 1567B Spring Branch Stream 3F Fecal Coliform > 400 colonies/100 ml Low pp = No Data; vp = 13 / 22 County Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=4) Anclote River / and nutrients have been determined to be the causative pollutant. Data used the two most recent Big Mean (33) 3 5 18-0316 Springs Coast Coastal Pinellas Pinellas 1567B Spring Branch Stream 3F Biology Nutrients Medium in this assessment was provided by Pinellas County. This parameter is being SCI scores ≥ 35; or if Mean 1 (22), Mean 2 County added to the Verified List and the department is requesting EPA add to the there are only two SCI (41) 303(d) List. scores and there is less than or equal to a 20 point difference. AGM 2011 (0.20 mg/L) This waterbody is impaired for this parameter. The annual geometric means Anclote River / 2012 (0.27 mg/L) exceeded the nutrient criterion more than once in a three year period, and 3 5 18-0317 Springs Coast Coastal Pinellas Pinellas 1567B Spring Branch Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2013 (0.28 mg/L) there is biological evidence indicating non attainment of the designated use. County 2014 (0.24 mg/L) This parameter is being added to the Verified List and the department is 2015 (0.19 mg/L) requesting EPA add to the 303(d) List. 2016 (0.19 mg/L) Anclote River / 1 5 09-1055 Springs Coast Coastal Pinellas Pinellas 1567C Stevenson Creek Stream 3F Fecal Coliform > 400 colonies/100 ml Low pp = 1 / 1; vp = 11 / 28 County 05/01/2014: Avg CofC - .6, FLEPPC - 68% This waterbody is impaired for this parameter based on failing linear 10/09/2014: Avg CofC - Anclote River / vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. Data used Stevenson Creek (Fresh LVS C of C ≥ 2.5 and 1.0, FLEPPC - 77% 3 5 18-0318 Springs Coast Coastal Pinellas Pinellas 1567C Stream 3F Nutrients (Macrophytes) Medium in this assessment was provided by Pinellas County. This parameter is being Segment) LVS FLEPPC ≤ 25% (21FLPDEM) County added to the Verified List and the department is requesting EPA add to the 02/17/2016: Avg CofC - 303(d) List. .5, FLEPPC - 81% (21FLPDEM) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0405 Alafia River Hillsborough 1568 Howell Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Coastal Old Tampa samples can be used to identify a waterbody as impaired if there are at least 4 1 19-0651 Tampa Bay Pinellas 1569 Bishop Creek (Tidal) Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 9/11 Bay Tributary five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. There is a DEP Adopted Fecal Coliform TMDL for this waterbody. The department is requesting EPA add this parameter to the 303(d) List. Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=4) and nutrients have been determined to be the causative pollutant. A stressor Coastal Old Tampa the two most recent WBID Mean (28) identification evaluation identified that multiple water quality and hydrologic 4 1 19-0652 Tampa Bay Pinellas 1569A Bishop Creek Stream 3F Biology Nutrients Medium Bay Tributary SCI scores ≥ 35; or if Mean 1 (20), Mean 2 stressors contribute to the impairment. This parameter is being added to the there are only two SCI (28) Verified List and the department is requesting EPA add it to the 303(d) List. scores and there is less Pinellas County provided additional biological data used in this assessment. than or equal to a 20 point difference. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. There is a DEP Adopted Fecal Coliform TMDL. This parameter is being added to the Verified List and the department Coastal Old Tampa is requesting EPA add it to the 303(d) List. Data that were available in FL 4 1 19-0653 Tampa Bay Pinellas 1569A Bishop Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 15/21 Bay Tributary STORET as Escherichia were manually added to the assessment because they were not available in the IWR Run 56 database. Station 21FLPDEM12-02 was excluded in this assessment because the station was reassigned to WBID 1569 based on updated coordinates. 02/25/2015: (less than 2 sq. m.) This waterbody is impaired for this parameter based on failing linear 12/04/2015: Avg CofC - vegetation surveys with a C of C score < 2.5 and FLEPPC percent coverage Coastal Old Tampa LVS C of C ≥ 2.5 and 0.7, FLEPPC - 84% 4 1 19-0654 Tampa Bay Pinellas 1569A Bishop Creek Stream 3F Nutrients (Macrophytes) Medium of > 25%. This parameter is being added to the Verified List and the Bay Tributary LVS FLEPPC ≤ 25% 12/15/2017: Avg CofC - department is requesting EPA add it to the 303(d) List. Pinellas County 0.7, FLEPPC - 70% provided additional biological data used in this assessment. 03/30/2018: Avg CofC - 1.3, FLEPPC - 75% AGM 2011 (0.13 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2012 (0.11 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Coastal Old Tampa 2013 (0.13 mg/L) 4 1 19-0655 Tampa Bay Pinellas 1569A Bishop Creek Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Bay Tributary 2014 (0.12 mg/L) parameter is being added to the Verified List and the department is requesting 2015 (0.13 mg/L) EPA add it to the 303(d) List. 2016 (0.14 mg/L) 2017 (0.15 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa identified using land use. Fewer than twenty samples can be used to identify a 4 1 19-0656 Tampa Bay Hillsborough 1570 Henry Street Canal Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 5/6 Bay Tributary waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Old Tampa Sweetwater Creek (Tidal exceedances for the sample size and anthropogenic sources have been 4 1 19-0657 Tampa Bay Hillsborough 1570A Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 71/78 Bay Tributary Segment) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. AGM Chl-a AGM ≤ 20 µg/L, 2009 (0.11 mg/L) TP AGM ≤ 0.16 mg/L; 2010 (0.15 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2011 (0.16 mg/L) 3 4 17-0309 Kissimmee River Polk 1573A Tiger Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2012 (0.15 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (0.17 mg/L) 20 µg/L, TP AGM ≤ 2014 (0.21 mg/L) 0.05 mg/L 2015 (0.16 mg/L) Average score of at least two temporally independent LVI scores This waterbody is impaired for this parameter based on failing bioassessments ≥ 43; or either of the LVI (n=3) and nutrients have been determined to be the causative pollutant. This Coastal Old Tampa two most recent LVI 4 1 19-0658 Tampa Bay Pinellas 1574A Alligator Lake Lake 3F Biology Nutrients Medium WBID Mean (12) parameter is being added to the Verified List and the department is requesting Bay Tributary scores ≥ 43; or if there Mean 1 (11), Mean 2 (9) EPA add it to the 303(d) List. Pinellas County provided additional biological are only two LVI scores data used in this assessment. and there is less than or equal to a 20 point difference. AGM Chl-a AGM ≤ 20 µg/L, 2011 (0.15 mg/L) TP AGM ≤ 0.09 mg/L; 2012 (0.09 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Coastal Old Tampa 2013 (0.12 mg/L) exceeded the nutrient criteria for a clear alkaline lake more than once in a 4 1 19-0659 Tampa Bay Pinellas 1574A Alligator Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Bay Tributary 2014 (0.12 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.13 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2016 (0.13 mg/L) 0.03 mg/L 2017 (0.16 mg/L) Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=4) and nutrients have been determined to be the causative pollutant. A stressor Coastal Old Tampa the two most recent WBID Mean (25) identification evaluation identified that multiple water quality and hydrologic 4 1 19-0660 Tampa Bay Pinellas 1575A Mullet Creek Stream 3F Biology Nutrients Medium Bay Tributary SCI scores ≥ 35; or if Mean 1 (18), Mean 2 stressors contribute to the impairment. This parameter is being added to the there are only two SCI (23) Verified List and the department is requesting EPA add it to the 303(d) List. scores and there is less Pinellas County provided additional biological data used in this assessment. than or equal to a 20 point difference. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the Coastal Old Tampa Dissolved Oxygen (Percent 4 1 19-0661 Tampa Bay Pinellas 1575A Mullet Creek Stream 3F Nutrients ≥ 38 % Medium 13/52 causative pollutant. Samples used in this analysis were assessed against a Bay Tributary Saturation) time of day adjustment as described in 62-303.420(9), F.A.C. This parameter is being added to the Verified List and will remain on the 303(d) List. AGM 2011 (0.16 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2012 (0.12 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Coastal Old Tampa 2013 (0.14 mg/L) 4 1 19-0662 Tampa Bay Pinellas 1575A Mullet Creek Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Bay Tributary 2014 (0.12 mg/L) parameter is being added to the Verified List and the department is requesting 2015 (0.15 mg/L) EPA add it to the 303(d) List. 2016 (0.15 mg/L) 2017 (0.13 mg/L) pp = 2 / 6; vp = 17 / 24. Verified impaired. Nutrients (total phosphorus) were Coastal Nutrients (added from identified as the causative pollutant based on Chl-a data/nutrient impairment. 2 1 09-2361 Tampa Bay Hillsborough Bay Hillsborough 1576 Mango Drain Stream 3F Dissolved Oxygen < 5.0 mg/L Medium comments) Verified period median TN = 1.24 mg/L (19 values), median TP = 0.3 (18 Tributary values), median BOD = 1.8 (12 values). Coastal This parameter is impaired for this waterbody based on the number of 3 1 13-0193 Tampa Bay Hillsborough Bay Hillsborough 1576 Mango Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 34/80 exceedances for the sample size and is being added to the 303(d) list. Tributary Average score of at least two temporally independent LVI scores This waterbody is impaired for this parameter based on failing bioassessments ≥ 43; or either of the LVI (n=3) Coastal and nutrients have been determined to be the causative pollutant. This two most recent LVI WBID Mean (12) 4 1 19-0663 Tampa Bay Hillsborough Bay Hillsborough 1576A Mango Lake Lake 3F Biology Nutrients Medium parameter is being added to the Verified List and the department is requesting scores ≥ 43; or if there Mean 1 (14), Mean 2 Tributary EPA add it to the 303(d) List. USF Water Institute provided additional are only two LVI scores (14) biological data used in this assessment. and there is less than or equal to a 20 point difference. AGM This waterbody is impaired for this parameter. The annual geometric means Coastal 2013 (99 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0664 Tampa Bay Hillsborough Bay Hillsborough 1576A Mango Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2014 (135 µg/L) year period. This parameter is being added to the Verified List and the Tributary 2015 (74 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means Coastal If Chl-a has Insufficient 2013 (0.18 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0665 Tampa Bay Hillsborough Bay Hillsborough 1576A Mango Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2014 (0.22 mg/L) year period. This parameter is being added to the Verified List and the Tributary AGM or if Chl-a AGM > 2015 (0.13 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.05 mg/L This waterbody is impaired for this parameter based on the number of Coastal Old Tampa exceedances for the sample size and anthropogenic sources have been 4 1 19-0666 Tampa Bay Hillsborough 1577A Pepper Mound Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 22/22 Bay Tributary confirmed. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=3) and nutrients have been determined to be the causative pollutant. This Tampa Bay Turkey Creek above Little the two most recent WBID Mean (34) 4 2 20-0406 Alafia River Hillsborough 1578B Stream 3F Biology Nutrients Medium parameter is being added to the Verified List and will remain on the 303(d) Tributaries Alafia River SCI scores ≥ 35; or if Mean 1 (26), Mean 2 List. USF Water Institute provided additional biological data used in this there are only two SCI (42) assessment. scores and there is less than or equal to a 20 point difference. AGM 2012 (1.99 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (2.50 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Tampa Bay Turkey Creek above Little 2014 (2.31 mg/L) 4 2 20-0407 Alafia River Hillsborough 1578B Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.65 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Tributaries Alafia River 2015 (1.89 mg/L) parameter is being added to the Verified List and will remain on the 303(d) 2016 (2.11 mg/L) List. 2017 (1.78 mg/L) 2018 (1.57 mg/L) AGM 2012 (0.75 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (0.80 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Tampa Bay Turkey Creek above Little 2014 (0.74 mg/L) 4 2 20-0408 Alafia River Hillsborough 1578B Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.49 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Tributaries Alafia River 2015 (0.68 mg/L) parameter is being added to the Verified List and will remain on the 303(d) 2016 (0.60 mg/L) List. 2017 (0.68 mg/L) 2018 (0.74 mg/L) pp = No data; vp = Verified impaired. Annual average Chl-a values exceeded Coastal 20 µg/l in 2005, and the exceedance value was 54.42 µg/L. Nitrogen and Median TN = 1.81 and 2 1 09-2364 Tampa Bay Hillsborough Bay Hillsborough 1579 Bellows Lake Outlet Stream 3F Nutrients Nutrients (Chlorophyll-a) Low phosphorus are limiting nutrients based on a median TN/TP ratio of 12.75 (22 TP = 0.13 mg/l Tributary values). Verified period median TN= 1.81 mg/l (22 values), median TP = 0.13 mg/l (22 values), and BOD median = 3.25 mg/l (22 values). This waterbody is potentially impaired for this parameter based on data in the planning period. The previous impairment in the retired WBID 1584A is being carried over to WBID 1584A1; however, fecal coliform is no longer the Coastal applicable bacteria parameter for this waterbody classification. Enterococci will 4 1 19-0667 Tampa Bay Hillsborough Bay Hillsborough 1584A1 Ybor City Drain Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low No Data be included in the Strategic Monitoring Plan for this waterbody in order to Tributary collect the new applicable bacteria parameter. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Old Tampa exceedances for the sample size and anthropogenic sources have been 4 1 19-0668 Tampa Bay Hillsborough 1587A Woods Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 22/22 Bay Tributary identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Coastal Old Tampa 4 1 19-0671 Tampa Bay Pinellas 1603 Direct Runoff to Bay Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 22/24 exceedances for the sample size. This parameter is being added to the Bay Tributary Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Old Tampa 1 1 02-1482 Tampa Bay Pinellas 1604 Allen Creek Estuary 3M Nutrients (Chlorophyll-a) Median TN = 1.05 mg/L NITROGEN IS LIMITING NUTRIENT. Bay Tributary This waterbody is impaired for this parameter based on the number of Coastal Old Tampa Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 4 1 19-0672 Tampa Bay Pinellas 1604 Allen Creek (Tidal) Estuary 3M Nutrients ≥ 42 % Medium 10/54 Bay Tributary Saturation) causative pollutant. This parameter is being added to the Verified List and the department is requesting it remain on the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa 4 1 19-0673 Tampa Bay Pinellas 1604 Allen Creek (Tidal) Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 18/53 identified using land use. There is a DEP Adopted Fecal Coliform TMDL for Bay Tributary this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Average score of at least two temporally This waterbody is impaired for this parameter based on failing bioassessments independent SCI and nutrients have been determined to be the causative pollutant. A stressor scores ≥ 40; or either of SCI (n=6) identification evaluation identified extensive anthropogenic development and Coastal Old Tampa the two most recent WBID Mean (34) 4 1 19-0674 Tampa Bay Pinellas 1604B1 Allen Creek Stream 3F Biology Nutrients Medium extreme flow events contribute to the impairment. This parameter is being Bay Tributary SCI scores ≥ 35; or if Mean 1 (32), Mean 2 added to the Verified List and the department is requesting EPA add it to the there are only two SCI (33) 303(d) List. Pinellas County provided additional biological data used in this scores and there is less assessment. than or equal to a 20 point difference. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa identified using land use. Fewer than twenty samples can be used to identify a 4 1 19-0675 Tampa Bay Pinellas 1604B1 Allen Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/17 Bay Tributary waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

Annual average Chl-a values exceeded 20 µg/l in 2005 and exceedance Tampa Bay values were 66.97 µg/L. Nitrogen is the limiting nutrient based on a median 2 2 09-2282 Alafia River Polk 1610 Mined Area Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2005 (66.97) Tributaries TN/TP ratio of 3.45 (30 values). Verified period median TN = 1.85 mg/L (n = 32), median TP = 0.57 mg/L (n = 30), and BOD median = No data. Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2007 (1.25 mg/L) If Chl-a has Insufficient 2008 (1.18 mg/L) This waterbody is impaired for this parameter. The annual geometric means Tampa Bay 3 2 15-0863 Alafia River Polk 1610 Carter Road Park Lakes Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2009 (1.35 mg/L) exceeded the nutrient criteria more than once in a three year period. This Tributaries AGM or if Chl-a AGM > 2010 (1.58 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2011 (1.75 mg/L) 1.05 mg/L 2012 (1.69 mg/L) 2013 (1.70 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.09 mg/L; 2007 (0.44 mg/L) If Chl-a has Insufficient 2008 (0.38 mg/L) This waterbody is impaired for this parameter. The annual geometric means Tampa Bay 3 2 15-0864 Alafia River Polk 1610 Carter Road Park Lakes Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2009 (0.47 mg/L) exceeded the nutrient criteria more than once in a three year period. This Tributaries AGM or if Chl-a AGM > 2010 (0.50 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2011 (0.47 mg/L) 0.03 mg/L 2012 (0.52 mg/L) 2013 (0.53 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 1.91 mg/L; 2008 (1.27 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean Sarasota Bay - 2009 (1.49 mg/L) 3 3 16-0627 Upper Peace River Polk 1613A Lake Blue (South) Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (1.49 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (1.00 mg/L) 20 µg/L, TN AGM ≤ 2012 (1.56 mg/L) 1.05 mg/L 2013 (1.36 mg/L) Anclote River / 1 5 09-1056 Springs Coast Coastal Pinellas Pinellas 1614 Belleair Golf Club Run Stream 3F Fecal Coliform > 400 colonies/100 ml Low pp = 34 / 36; vp = 21 / 24 County Statewide Comprehensive Verified List

04/10/2013: Avg CofC - Sarasota Bay - Peace River above LVS C of C ≥ 2.5 and 0.9, FLEPPC - 51.09% This waterbody is impaired for this parameter based on failing linear 3 3 16-0633 Upper Peace River Polk 1623J Stream 3F Nutrients (Macrophytes) Medium Peace - Myakka Bowlegs Creek LVS FLEPPC ≤ 25% 12/09/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.11, FLEPPC - 49.09% PP - 32 / 117 Potentially impaired; VP - 39 / 119 Verified impaired. Nutrients were identified as a causative pollutant based on chlorophyll data/nutrient Sarasota Bay - Saddle Creek Below Lake Nutrients (added from 1 3 05-1243 Upper Peace River Polk 1623K Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/L High 2004 impairment verification (verified period total phosphorus median = 0.473 Peace - Myakka Hancock comments) mg/l). (verified period total Nitrogen median = 2.565 mg/L). 4 BOD values (median = 6.5 mg/L) Co-limited by nitrogen and phosphorus. PP - Potentially impaired; VP - Verified Impaired. VP - Annual average chl(a) Sarasota Bay - Saddle Creek Below Lake values exceeded 20 µg/L in 1997-2003. Nitrogen is the limiting nutrient 1 3 05-1244 Upper Peace River Polk 1623K Stream 3F Nutrients Nutrients (Chlorophyll-a) Median TN = 2.4 mg/L High 2004 Peace - Myakka Hancock based on a TN/TP ratio median of 7.22. 130 TN values, median 2.4 mg/L. 133 TP values, median 0.401 mg/L. Sarasota Bay - Saddle Creek Below Lake 2 3 10-0268 Upper Peace River Polk 1623K Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 5/22 Impaired based on the number of exceedances. Peace - Myakka Hancock Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Annual Geometric Mean(s) 2008 (9.98 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - Saddle Creek below Lake 2010 (3.29 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 3 16-0634 Upper Peace River Polk 1623K Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.65 mg/L Medium Peace - Myakka Hancock 2011 (3.60 mg/L) there is floral evidence indicating non attainment of designated use. This 2012 (3.84 mg/L) parameter is being added to the 303(d) List. 2013 (2.52 mg/L) 2014 (1.37 mg/L) Sarasota Bay - Saddle Creek below Lake Un-ionized This waterbody is impaired for this parameter based on the number of 3 3 16-0635 Upper Peace River Polk 1623K Stream 3F Un-ionized Ammonia ≤ 0.02 mg/L as NH3 Medium 16/58 Peace - Myakka Hancock Ammonia exceedances for the sample size and is being added to the 303(d) List. Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means 2009 (575 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (139 µg/L) 3 3 16-0636 Upper Peace River Polk 1623L Lake Hancock Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (424 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (537 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (501 µg/L) 2014 (85 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 2.23 mg/L; This waterbody is impaired for this parameter. The annual geometric means 2009 (12.15 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (5.43 mg/L) 3 3 16-0637 Upper Peace River Polk 1623L Lake Hancock Lake 3F Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (8.14 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (10.42 mg/L) 20 µg/L, TN AGM ≤ assessed to determine impairment. 2013 (9.92 mg/L) 1.27 mg/L 2014 (4.27 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.16 mg/L; This waterbody is impaired for this parameter. The annual geometric means 2009 (0.29 mg/L) If Chl-a has Insufficient exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 2010 (0.22 mg/L) 3 3 16-0638 Upper Peace River Polk 1623L Lake Hancock Lake 3F Nutrients Nutrients (Total Phosphorus) or No Data to calculate Medium parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (0.23 mg/L) AGM or if Chl-a AGM > impaired for Nutrients (TSI), however that parameter is no longer being 2012 (0.32 mg/L) 20 µg/L, TP AGM ≤ assessed to determine impairment. 2013 (0.36 mg/L) 0.05 mg/L 2014 (0.15 mg/L) Annual Geometric Mean(s) 2008 (10 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (8 µg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0639 Upper Peace River Polk 1623M Eagle Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2010 (7 µg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka 2011 (8 µg/L) assessed as impaired for Nutrients (TSI), however that parameter is no longer 2012 (9 µg/L) assessed to determine impairment per Rule 62-303, F.A.C. 2013 (10 µg/L) 2014 (13 µg/L) Annual Geometric Chl-a AGM ≤ 6 µg/L, Mean(s) TN AGM ≤ 0.93 mg/L; 2008 (0.58 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (0.43 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0640 Upper Peace River Polk 1623M Eagle Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (0.40 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (0.60 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 6 µg/L, TN AGM ≤ 0.51 2012 (0.65 mg/L) assessed to determine impairment. mg/L 2013 (0.62 mg/L) 2014 (0.75 mg/L) Annual Geometric Chl-a AGM ≤ 6 µg/L, Mean(s) TP AGM ≤ 0.03 mg/L; 2008 (0.01 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2009 (0.02 mg/L) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - 3 3 16-0641 Upper Peace River Polk 1623M Eagle Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.02 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka AGM or if Chl-a AGM > 2011 (0.02 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 6 µg/L, TP AGM ≤ 0.01 2012 (0.02 mg/L) assessed to determine impairment. mg/L 2013 (0.02 mg/L) 2014 (0.02 mg/L) Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0642 Upper Peace River Polk 1623T Engle Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2008 (56 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2009 (57 µg/L) parameter is being added to the 303(d) List. 2010 (63 µg/L) Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 1.91 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0643 Upper Peace River Polk 1623T Engle Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2008 (1.73 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2009 (1.95 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2010 (1.86 mg/L) 1.05 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; Annual Geometric If Chl-a has Insufficient Mean(s) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0644 Upper Peace River Polk 1623T Engle Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2008 (0.12 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2009 (0.13 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2010 (0.12 mg/L) 0.03 mg/L Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 2.23 mg/L; 2008 (2.13 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2009 (2.41 mg/L) 3 3 16-0645 Upper Peace River Polk 1623X Reclaimed Mine Cut Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (2.00 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (2.17 mg/L) 20 µg/L, TN AGM ≤ 2012 (1.48 mg/L) 1.27 mg/L 2013 (0.52 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.16 mg/L; 2008 (0.22 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 2009 (0.27 mg/L) 3 3 16-0646 Upper Peace River Polk 1623X Reclaimed Mine Cut Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2010 (0.15 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2011 (0.24 mg/L) 20 µg/L, TP AGM ≤ 2012 (0.10 mg/L) 0.05 mg/L 2013 (0.01 mg/L) Annual Geometric Mean(s) 2008 (76 µg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0647 Upper Peace River Polk 1623Z Fort Meade Lakes Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (57 µg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2011 (87 µg/L) parameter is being added to the 303(d) List. 2012 (78 µg/L) 2014 (63 µg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TN AGM ≤ 1.91 mg/L; Mean(s) If Chl-a has Insufficient 2008 (2.04 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0648 Upper Peace River Polk 1623Z Fort Meade Lakes Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.65 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (1.96 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2012 (1.79 mg/L) 1.05 mg/L 2014 (1.69 mg/L) Chl-a AGM ≤ 20 µg/L, Annual Geometric TP AGM ≤ 0.09 mg/L; Mean(s) If Chl-a has Insufficient 2008 (0.25 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0649 Upper Peace River Polk 1623Z Fort Meade Lakes Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.13 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.14 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.16 mg/L) 0.03 mg/L 2014 (0.15 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Old Tampa 4 1 19-0682 Tampa Bay Pinellas 1625 Cross Canal (North) Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 45/49 identified using land use. There is a DEP Adopted Fecal Coliform TMDL for Bay Tributary this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Sarasota Bay - West Wales Drainage Total Nitrogen, Biochemical Impaired with total nitrogen and biochemical oxygen demand identified as the 2 3 10-0270 Upper Peace River Polk 1626 Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L High 22/29 Peace - Myakka Canal Oxygen Demand causative pollutants. Sarasota Bay - West Wales Drainage 2 3 10-0271 Upper Peace River Polk 1626 Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/20 Impaired based on the number of exceedances. Peace - Myakka Canal This waterbody is impaired for this parameter based on the number of Coastal Old Tampa exceedances for the sample size and anthropogenic sources have been 4 1 19-0683 Tampa Bay Pinellas 1627B Long Branch (Tidal) Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 36/38 Bay Tributary identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of Coastal exceedances for a sample size less than 20. Fewer than twenty samples may 3 1 13-0211 Tampa Bay Hillsborough Bay Hillsborough 1628 Archie Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 11/19 be used to identify a waterbody as impaired if there are at least five Tributary exceedances, per Rule 62-303.420(7)(a), F.A.C. This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Coastal exceedances for the sample size and anthropogenic sources have been 4 1 19-0684 Tampa Bay Hillsborough Bay Hillsborough 1628A Archie Creek (Tidal) Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 35/52 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0650 Upper Peace River Polk 1631 Bear Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 23/31 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Delaney Creek Popoff exceedances for the sample size and anthropogenic sources have been 4 1 19-0685 Tampa Bay Hillsborough Bay Hillsborough 1632 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 19/28 Canal confirmed. This parameter is being added to the Verified List and the Tributary department is requesting EPA add it to the 303(d) List. pp = 68/133; vp = 48 / 151 Verified Impaired. This listing may be removed Anclote River / because the Department has not been able to determine a causative pollutant McKay Creek Freshwater 1 5 09-1068 Springs Coast Coastal Pinellas Pinellas 1633B Stream 3F Dissolved Oxygen < 5.0 mg/L Medium for DO. Note that the WBID is not impaired for Chl-a. The verified period total Segment County nitrogen median = 1.095 mg/l (120 values), total phosphorus median = 0.07 mg/l (124 values), and BOD median = 2 mg/l (66 values). Annual Geometric Mean(s) This waterbody is impaired for this parameter based on the annual geometric Tampa Bay 3 2 15-0868 Alafia River Hillsborough 1635A Buckhorn Spring Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2007 (0.41 mg/L) means exceeding the criterion more than once in a three year period. This Tributaries 2008 (1.74 mg/L) parameter is being added to the 303(d) List. 2009 (1.74 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0414 Alafia River Hillsborough 1635B Buckhorn Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/8 Tributaries waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal exceedances for the sample size and anthropogenic sources have been 4 1 19-0686 Tampa Bay Hillsborough Bay Hillsborough 1636 Port Sutton Ditch Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 25/25 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. Anclote River / Nutrients (added from pp = 75 / 398; vp = 73 / 315 Verified Impaired. Nutrients were identified as a 1 5 09-1070 Springs Coast Coastal Pinellas Pinellas 1641 Cross Canal (South) Estuary 3M Dissolved Oxygen < 4.0 mg/L Medium comments) causative pollutant based on Chl-a data/nutrient impairment verification. County pp = Potentially impaired; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 1999 and 2001 - 2005, and values were 17.75, Anclote River / 14.84, 12.34, 18.95, 14.17 and 17.38 µg/l, respectively. Nitrogen is the 1 5 09-1071 Springs Coast Coastal Pinellas Pinellas 1641 Cross Canal (South) Estuary 3M Nutrients (Chlorophyll-a) Median TN = 1.11 mg/L Medium limiting nutrient based on a median TN/TP ratio of 6.98 (150 values). Verified County period total nitrogen median = 1.11 mg/l (152 values), total phosphorus median = 0.16 mg/l (159 values), and BOD = 2 mg/l (123 values).

Anclote River / This waterbody is impaired for this parameter based on the number of 3 5 18-0319 Springs Coast Coastal Pinellas Pinellas 1641 Cross Canal (South) Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 59/99 exceedances for the sample size. This parameter is being added to the County Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0415 Alafia River Hillsborough 1642 Sloman Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 5/7 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Anclote River / 1 5 09-1072 Springs Coast Coastal Pinellas Pinellas 1643 Church Creek Stream 3F Fecal Coliform > 400 colonies/100 ml Low pp = 12 / 13; vp = 12 / 13 County This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0416 Alafia River Hillsborough 1649 McCullough Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Tampa Bay 4 2 20-0417 Alafia River Hillsborough 1651 McDonald Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/11 samples can be used to identify a waterbody as impaired if there are at least Tributaries five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0872 Alafia River Hillsborough 1652 West Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 21/24 Tributaries exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0418 Alafia River Hillsborough 1657 Little Fishhawk Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay 4 2 20-0419 Alafia River Hillsborough 1659 Rice Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 22/24 confirmed using genetic marker and chemical tracer data. This parameter is Tributaries being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0420 Alafia River Hillsborough 1660 Bell Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 5/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Middle Biochemical Oxygen pp = 69 / 76; vp = 14 / 18. Verified impaired. BOD was identified as the 2 1 09-2414 Tampa Bay Tampa Bay Pinellas 1661D Tinney Creek Estuary 3F Dissolved Oxygen Demand (added from < 4.0 mg/L Medium causative pollutant. Verified period median TN = 1.15 mg/L (13 values), Tributary comments) median TP = 0.17 mg/L (17 values), median BOD = 2.0 mg/L (11 values). This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0421 Alafia River Hillsborough,Polk 1665A Mizelle Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/9 Tributaries waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal confirmed. Fewer than twenty samples can be used to identify a waterbody as 4 1 19-0687 Tampa Bay Hillsborough Bay Hillsborough 1666 Bullfrog Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 10/13 impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. Tributary There is a DEP Adopted Fecal Coliform TMDL for this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal exceedances for the sample size and anthropogenic sources have been Bullfrog Creek (Tidal 4 1 19-0688 Tampa Bay Hillsborough Bay Hillsborough 1666A Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 60/75 confirmed. There is a DEP Adopted Fecal Coliform TMDL for this waterbody. Segment) Tributary This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0422 Alafia River Hillsborough 1667 Moccasin Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/8 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Anclote River / 1 5 09-1078 Springs Coast Coastal Pinellas Pinellas 1668B Pinellas Park Ditch No. 5 Stream 3F Coliforms Fecal Coliform > 400 colonies/100 ml High pp = 25 / 36; vp = 21 / 28. County 05/13/2014: Avg CofC - This waterbody is impaired for this parameter based on failing linear 1.5, FLEPPC - 64% Anclote River / vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. Data used Pinellas Park Ditch No 5 LVS C of C ≥ 2.5 and (21FLPDEM) 3 5 18-0320 Springs Coast Coastal Pinellas Pinellas 1668B Stream 3F Nutrients (Macrophytes) Medium in this assessment was provided by Pinellas County. This parameter is being (Bonn Creek) LVS FLEPPC ≤ 25% 12/09/2014: Avg CofC - County added to the Verified List and the department is requesting EPA add to the 1.6, FLEPPC - 52% 303(d) List. (21FLPDEM) pp = 6 / 13; vp = 2 / 12; Sufficient PP/VP data to assess. Exceedance rate for Anclote River / combined PP+VP (8/25) triggers VL. Rate for most recent 20 samples (4/20) 1 5 09-1081 Springs Coast Coastal Pinellas Pinellas 1668D Bonn Creek Stream 3F Fecal Coliform > 400 colonies/100 ml Low does not. However, POR includes multiple exceedances in late 2006. Area is County highly developed. Assessment based on Period of Record data. Anclote River / pp = 45 / 197; vp = 33 / 122 Verified Impaired. Nutrients and BOD were Nutrients (added from 1 5 09-1082 Springs Coast Coastal Pinellas Pinellas 1668E St Joe Creek Tidal Estuary 3M Dissolved Oxygen < 4.0 mg/L Medium identified as a causative pollutant based on Chl-a data/nutrient impairment comments) County verification. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 pp = Potentially impaired; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 1999 - 2002 and 2004, and values were 40.48, 26.65, 21.1, 23.06, and 23.87 µg/l, respectively. For the historical listing, annual average Chl-a) values in the verified period exceeded the minimum Anclote River / historical annual average value of 16.31 µg/l for 1990 -1994 by more than 1 5 09-1083 Springs Coast Coastal Pinellas Pinellas 1668E St Joe Creek Tidal Estuary 3M Nutrients (Chlorophyll-a) Median TN = 1.14 mg/L Medium 50% in two consecutive years in 1999 (40.48 µg/L) and 2000 (26.65 µg/l). County Nitrogen is the limiting nutrient based on a median TN/TP ratio of 6 (62 values). The verified period total nitrogen median = 1.14 mg/l (63 values), total phosphorus median = 0.18 mg/l (66 values), and BOD median = 3.05 mg/l (52 BOD values). This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0879 Alafia River Hillsborough 1669 Bell Creek Reservoir Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/18 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0423 Alafia River Hillsborough 1674 Pelleham Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0424 Alafia River Hillsborough 1675 Owens Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Biochemical oxygen demand, total nitrogen, and total phosphorus were identified as the causative pollutants because they were elevated relative to comparable waters (exceeded 2.1 mg/L for BOD, 1.0 Coastal Total Nitrogen, Total mg/L for TN, and 0.19 mg/L for TP). The period of record assessment, which 3 1 13-0216 Tampa Bay Hillsborough Bay Hillsborough 1676 The Kitchen Estuary 3M Dissolved Oxygen Phosphorus, Biochemical ≥ 4.0 mg/L Medium 29/44 uses all available data regardless of age, indicated potential impairment. Tributary Oxygen Demand However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list. This parameter is impaired for this waterbody because the annual average chlorophyll-a values exceeded the alternative chlorophyll threshold of 15 µg/L in 2006, 2008, and 2011. Based on the median TN/TP ratio of 3.3, total nitrogen is the limiting nutrient. The period of record assessment, which uses Coastal 2006 (16 µg/L) all available data regardless of age, indicated potential impairment. However, 3 1 13-0218 Tampa Bay Hillsborough Bay Hillsborough 1676 The Kitchen Estuary 3M Nutrients (Chlorophyll-a) ≤ 15 µg/L Medium 2008 (16 µg/L) data older than the verified period were excluded from the final assessment Tributary 2011 (40 µg/L) based on the availability of more recent data, and the final assessment was based on the recent data. Dissolved oxygen is impaired and historic chlorophyll-a has insufficient data. This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Coastal exceedances for the sample size and anthropogenic sources have been 4 1 19-0689 Tampa Bay Hillsborough Bay Hillsborough 1676 The Kitchen Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 26/26 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. LVI Average score of at 21FLGW 43510 This waterbody is impaired for this parameter based on failing bioassessments Sarasota Bay - least two temporally 3 3 16-0651 Upper Peace River Polk 1677C Lake Buffum Lake 3F Biology Nutrients (13MAY2013: 36) and nutrients have been determined to be the causative pollutant. This Peace - Myakka independent LVI scores 21FLTPA TPLKBUF01F parameter is being added to the 303(d) List. ≥ 43. (15AUG2013: 44) Annual Geometric This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - Mean(s) 3 3 16-0652 Upper Peace River Polk 1677C Lake Buffum Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka 2013 (11 µg/L) parameter is being added to the 303(d) List. 2014 (10 µg/L) Annual Geometric Chl-a AGM ≤ 6 µg/L, Mean(s) TN AGM ≤ 0.93 mg/L; 2008 (0.80 mg/L) If Chl-a has Insufficient 2009 (0.92 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0653 Upper Peace River Polk 1677C Lake Buffum Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (1.03 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.91 mg/L) parameter is being added to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2012 (0.99 mg/L) mg/L 2013 (1.05 mg/L) 2014 (0.87 mg/L) Annual Geometric Chl-a AGM ≤ 6 µg/L, Mean(s) TP AGM ≤ 0.03 mg/L; 2008 (0.01 mg/L) If Chl-a has Insufficient 2009 (0.02 mg/L) This waterbody is impaired for this parameter. The annual geometric means Sarasota Bay - 3 3 16-0654 Upper Peace River Polk 1677C Lake Buffum Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.04 mg/L) exceeded the nutrient criteria more than once in a three year period. This Peace - Myakka AGM or if Chl-a AGM > 2011 (0.03 mg/L) parameter is being added to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 2012 (0.03 mg/L) mg/L 2013 (0.02 mg/L) 2014 (0.05 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0882 Alafia River Hillsborough 1678 Chito Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/11 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Biochemical oxygen demand and total phosphorus were identified as the causative pollutants because they were Coastal Total Phosphorus, elevated relative to comparable waters (exceeded 2.1 mg/L for BOD and 0.19 3 1 13-0219 Tampa Bay Hillsborough Bay Hillsborough 1682 Kitchen Branch Estuary 3M Dissolved Oxygen Biochemical Oxygen ≥ 4.0 mg/L Medium 18/37 mg/L for TP). The period of record assessment, which uses all available data Tributary Demand regardless of age, indicated potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Coastal exceedances for the sample size and anthropogenic sources have been 4 1 19-0690 Tampa Bay Hillsborough Bay Hillsborough 1682 Kitchen Branch Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 19/26 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Middle exceedances for the sample size and anthropogenic sources have been 4 1 19-0691 Tampa Bay Tampa Bay Pinellas 1683 Smacks Bayou Estuary 2 Enterococci ≤ 130 Counts / 100 mL High 16/47 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. Coastal Middle This waterbody is impaired for this parameter based on the number of 4 1 19-0692 Tampa Bay Tampa Bay Pinellas 1683 Smacks Bayou Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 30/44 exceedances for the sample size. This parameter is being added to the Tributary Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Station 21FLCOSP32-03 (Smack's Bayou, Coastal Middle 40th Avenue Northeast) had a median value that exceeded the 14 counts/100 4 1 19-0693 Tampa Bay Tampa Bay Pinellas 1683 Smacks Bayou Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Medium Impaired mL criterion with at least 20 samples in the verified period. This parameter is Tributary being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0425 Alafia River Hillsborough 1684 Halls Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/11 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. AGM 2009 (13 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2010 (13 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Lake Istokpoga 2011 (17 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0313 Kissimmee River Polk 1685D Reedy Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Planning Unit 2012 (27 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2013 (14 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (34 µg/L) impairment. This parameter is being added to the 303(d) List. 2015 (29 µg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (1.32 mg/L) This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2010 (1.34 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Lake Istokpoga 2011 (1.47 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0314 Kissimmee River Polk 1685D Reedy Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit 2012 (1.76 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (0.95 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2014 (1.20 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L 2015 (1.73 mg/L) Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 1.91 mg/L; If Chl-a has Insufficient AGM This waterbody is impaired for this parameter. The annual geometric means Lake Istokpoga 3 4 17-0315 Kissimmee River Polk 1685E Lake Ida Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2013 (7.16 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2014 (6.46 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 1.05 mg/L Coastal This parameter is impaired for this waterbody based on the number of 3 1 13-0222 Tampa Bay Hillsborough Bay Hillsborough 1686 Unnamed Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 37/49 exceedances for the sample size and is being added to the 303(d) list. Tributary ENRB5 (AAM) 2010 (6.6 µg/L) 2011 (5.6 µg/L) This waterbody is impaired for this parameter because the annual geometric Anclote River / ENRB5 2012 (6.1 µg/L) means exceeded the criterion more than once in a three year period during 3 5 18-0321 Springs Coast Coastal Pinellas Pinellas 1694B Boca Ciega Bay (North) Estuary 3M Nutrients (Chlorophyll-a) Medium AAM ≤ 8.3 µg/L 2013 (5.9 µg/L) the verified period. This parameter is being added to the Verified List and the County 2014 (6.2 µg/L) department is requesting EPA add to the 303(d) List. 2015 (8.4 µg/L) 2016 (9.3 µg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Middle confirmed. Fewer than twenty samples can be used to identify a waterbody as 4 1 19-0694 Tampa Bay Tampa Bay Pinellas 1696 Booker Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/12 impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. Tributary This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Middle exceedances for the sample size and anthropogenic sources have been 4 1 19-0695 Tampa Bay Tampa Bay Pinellas 1700 Coffeepot Bayou Estuary 2 Enterococci ≤ 130 Counts / 100 mL High 21/47 identified using chemical tracer data and land use. This parameter is being Tributary added to the Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Middle This waterbody is impaired for this parameter based on the number of 4 1 19-0696 Tampa Bay Tampa Bay Pinellas 1700 Coffeepot Bayou Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 24/47 exceedances for the sample size. This parameter is being added to the Tributary Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Station 21FLCOSP44-02 (Coffee Pot Coastal Middle Bayou, Tidal) had a median value that exceeded the 14 counts/100 mL 4 1 19-0697 Tampa Bay Tampa Bay Pinellas 1700 Coffeepot Bayou Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Medium Impaired criterion with at least 20 samples in the verified period. This parameter is Tributary being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Average score of at least two temporally independent LVI scores ≥ 43; or either of the This waterbody is impaired for this parameter based on failing bioassessments Coastal Middle LVI (n=2) two most recent LVI and nutrients have been determined to be the causative pollutant. This 4 1 19-0698 Tampa Bay Tampa Bay Pinellas 1700A Crescent Lake Lake 3F Biology Nutrients Medium WBID Mean (10) scores ≥ 43; or if there parameter is being added to the Verified List and the department is requesting Tributary Mean 1 (14), Mean 2 (5) are only two LVI scores EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM 2013 (42 µg/L) This waterbody is impaired for this parameter. The annual geometric means Coastal Middle 2014 (36 µg/L) exceeded the nutrient criteria for a clear alkaline lake more than once in a 4 1 19-0699 Tampa Bay Tampa Bay Pinellas 1700A Crescent Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2015 (38 µg/L) three year period. This parameter is being added to the Verified List and the Tributary 2016 (27 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (16 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2013 (0.07 mg/L) This waterbody is impaired for this parameter. The annual geometric means Coastal Middle If Chl-a has Insufficient 2014 (0.09 mg/L) exceeded the nutrient criteria for a clear alkaline lake more than once in a 4 1 19-0700 Tampa Bay Tampa Bay Pinellas 1700A Crescent Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2015 (0.07 mg/L) three year period. This parameter is being added to the Verified List and the Tributary AGM or if Chl-a AGM > 2016 (0.09 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2017 (0.05 mg/L) 0.03 mg/L Anclote River / pp = 102 / 346; vp = 58 / 171 Verified impaired. There are a sufficient number 1 5 09-1085 Springs Coast Coastal Pinellas Pinellas 1701 Bear Creek Stream 3F Dissolved Oxygen < 5.0 mg/L Medium of DO violations to place DO on the verified list. However, unable to link low County DO to a causative pollutant (BOD or nutrients). Anclote River / This waterbody is impaired for this parameter based on the number of 3 5 18-0322 Springs Coast Coastal Pinellas Pinellas 1701 Bear Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 45/50 exceedances for the sample size. This parameter is being added to the County Verified List and the department is requesting EPA add it to the 303(d) List. AGM This waterbody is impaired for this parameter. The annual geometric means 2009 (17 µg/L) exceeded the nutrient criteria more than once in a three-year period. This 2010 (9 µg/L) Lake Istokpoga waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0316 Kissimmee River Polk 1706 Lake Clinch Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2011 (17 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2012 (10 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (9 µg/L) impairment. This parameter is being added to the 303(d) List. 2015 (12 µg/L) Chl-a AGM ≤ 6 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 0.93 mg/L; 2009 (0.69 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.59 mg/L) Lake Istokpoga waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0317 Kissimmee River Polk 1706 Lake Clinch Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (0.76 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.65 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 6 µg/L, TN AGM ≤ 0.51 2014 (0.54 mg/L) impairment. This parameter is being added to the 303(d) List. mg/L 2015 (0.75 mg/L) Chl-a AGM ≤ 6 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.03 mg/L; 2009 (0.01 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.01 mg/L) Lake Istokpoga waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0318 Kissimmee River Polk 1706 Lake Clinch Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.02 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.01 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 6 µg/L, TP AGM ≤ 0.01 2014 (0.02 mg/L) impairment. This parameter is being added to the 303(d) List. mg/L 2015 (0.02 mg/L) This waterbody is impaired for this parameter based on the number of Coastal Middle exceedances for the sample size and anthropogenic sources have been 4 1 19-0701 Tampa Bay Tampa Bay Hillsborough 1708 Newman Branch Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 22/24 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. pp = 60 / 74; vp = 30 / 45. Verified impaired. Nutrients (total nitrogen and Coastal Middle total phosphorus) and BOD were identified as the causative pollutants based Nutrients (added from 2 1 09-2415 Tampa Bay Tampa Bay Pinellas 1709D Little Bayou - Basin Q Estuary 3M Dissolved Oxygen < 4.0 mg/L Medium on Chl-a data/nutrient impairment. Verified period median TN = 1.23 mg/L (41 comments) Tributary values), median TP = 0.4 mg/L (42 values), median BOD = 2.5 mg/L (37 values). pp = Planning list; vp = Verified impaired. Annual average Chl-a values exceeded 11 µg/l in 2000 - 2001 and 2006, and exceedance values were Coastal Middle 16.48, 13.81, and 23.13 µg/l, respectively. Nitrogen is the limiting nutrient 2 1 09-2417 Tampa Bay Tampa Bay Pinellas 1709D Little Bayou - Basin Q Estuary 3M Nutrients (Chlorophyll-a) Median TN = 1.23 mg/l Medium based on a median TN/TP ratio of 3.21 (41 values). Verified period median Tributary TN = 1.23 mg/l (41 values), median TP = 0.4 mg/l (42 values), median BOD = 2.5 mg/l (37 values). This waterbody is impaired for this parameter based on the number of exceedances for the sample size This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Middle Additional data that were not available in the IWR Run 56 database but have 4 1 19-0702 Tampa Bay Tampa Bay Pinellas 1709D Little Bayou - Basin Q Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/18 been loaded into WIN were included in the assessment. This waterbody was Tributary incorrectly assessed as a marine (class 3M) waterbody but it is actually freshwater (class 3F). The class is being updated in the Impaired Waters Rule (IWR) database. AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (0.36 mg/L) exceeded the nutrient criteria more than once in a three year period, and there 2012 (0.31 mg/L) Coastal Middle is biological evidence indicating non-attainment of the designated use. This 2013 (0.34 mg/L) 4 1 19-0703 Tampa Bay Tampa Bay Pinellas 1709D Little Bayou - Basin Q Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium parameter is being added to the Verified List and the department is requesting 2014 (0.35 mg/L) Tributary EPA add it to the 303(d) List. This waterbody was incorrectly assessed as a 2015 (0.33 mg/L) marine (class 3M) waterbody but it is actually freshwater (class 3F). The class 2016 (0.26 mg/L) is being updated in the Impaired Waters Rule (IWR) database. 2017 (0.33 mg/L) Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0884 Alafia River Hillsborough 1711 Hurrah Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 16/26 Tributaries exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The data for this parameter was associated Anclote River / Clam Bayou (East with retired WBID 1716C. This parameter is being added to the Verified List 3 5 18-0323 Springs Coast Coastal Pinellas Pinellas 1716C1 Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 14/22 Drainage-North) and the department is requesting EPA add it to the 303(d) List. There is a DEP County Adopted - EPA Approved Fecal Coliform TMDL for this waterbody and therefore, the Priority for TMDL Development is Low. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three-year period. This AGM Lake Istokpoga waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0319 Kissimmee River Polk 1730 Hickory Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2009 (66 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2010 (41 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient AGM Lake Istokpoga waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0320 Kissimmee River Polk 1730 Hickory Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2009 (2.62 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2010 (1.91 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ impairment. This parameter is being added to the 303(d) List. 1.05 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Lake Istokpoga 2012 (0.24 mg/L) 3 4 17-0321 Kissimmee River Polk 1730B Livingston Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2014 (0.18 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2015 (0.22 mg/L) 20 µg/L, TP AGM ≤ 0.05 mg/L AGM This waterbody is impaired for this parameter. The annual geometric means Lake Istokpoga 3 4 17-0322 Kissimmee River Highlands 1730D Lake Adelaide Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2015 (8 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2016 (7 µg/L) parameter is being added to the 303(d) List. Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; If Chl-a has Insufficient AGM This waterbody is impaired for this parameter. The annual geometric means Lake Istokpoga 3 4 17-0323 Kissimmee River Highlands 1730D Lake Adelaide Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2015 (0.66 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2016 (0.59 mg/L) parameter is being added to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Coastal Middle This parameter is impaired for this waterbody based on the number of 3 1 13-0230 Tampa Bay Tampa Bay Pinellas 1731B Salt Creek Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 7/20 exceedances for the sample size and is being added to the 303(d) list. Tributary This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0427 Little Manatee River Hillsborough 1732 Pierce Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Middle This parameter is impaired for this waterbody based on the number of 3 1 13-0231 Tampa Bay Tampa Bay Hillsborough 1736 Wolf Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 12/25 exceedances for the sample size and is being added to the 303(d) list. Tributary This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Tampa Bay 3 2 15-0887 Little Manatee River Hillsborough 1739 Cypress Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/19 identify a waterbody as impaired if there are at least five exceedances, per Tributaries Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay Hillsborough,Manate exceedances for the sample size and anthropogenic sources have been 4 2 20-0428 Little Manatee River 1742A1 Little Manatee River Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 16/95 Tributaries e identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay Little Manatee River exceedances for the sample size and anthropogenic sources have been 4 2 20-0429 Little Manatee River Hillsborough 1742B Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 11/61 Tributaries (North Fork) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay Little Manatee River exceedances for the sample size and anthropogenic sources have been 4 2 20-0430 Little Manatee River Hillsborough 1742C1 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 240/349 Tributaries (Tidal) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0889 Little Manatee River Hillsborough 1747A Ruskin Inlet Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 7/27 Tributaries exceedances for the sample size and is being added to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0890 Little Manatee River Hillsborough 1747B Marsh Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/21 Tributaries exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0431 Little Manatee River Hillsborough 1749 Dug Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/9 Tributaries identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0892 Little Manatee River Hillsborough 1754 Lake Wimauma Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/22 Tributaries exceedances for the sample size and is being added to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0893 Little Manatee River Hillsborough 1755 Gully Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/22 Tributaries exceedances for the sample size and is being added to the 303(d) List. 1 4 06-0583 Pensacola Blackwater River Santa Rosa 176 Pond Creek Stream 3F Fecal Coliform > 400 counts per 100ml Medium 2012 pp = 87 / 470; vp = 84 / 462 Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 5/27/2014: Avg CofC - 1.7, FLEPPC - 38% Lake Istokpoga Arbuckle Creek above LVS C of C ≥ 2.5 and 1/27/2015: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 4 17-0324 Kissimmee River Highlands 1761A Stream 3F Nutrients (Macrophytes) Medium Planning Unit Wildcat Slough LVS FLEPPC ≤ 25% 1.4, FLEPPC - 57% vegetation survey results. This parameter is being added to the 303(d) List. 2/8/2016: Avg CofC - 2.3, FLEPPC - 51% 12/17/2014: Avg CofC - 1.3, FLEPPC - 66% Lake Istokpoga Arbuckle Creek above LVS C of C ≥ 2.5 and 3/30/2015: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 4 17-0325 Kissimmee River Highlands, Polk 1761B Stream 3F Nutrients (Macrophytes) Medium Planning Unit Morgan Hole Creek LVS FLEPPC ≤ 25% 1.0, FLEPPC - 70% vegetation survey results. This parameter is being added to the 303(d) List. 12/28/2015: Avg CofC - 2.2, FLEPPC - 62% Lake Istokpoga This WBID is impaired for fecal coliforms based on the number of 2 4 10-3149 Kissimmee River Highlands, Polk 1761D1 Morgan Hole Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/85 Planning Unit exceedances. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0894 Little Manatee River Hillsborough 1762A Howard Prairie Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/22 Tributaries exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - Charlie Creek Above 2 3 10-0157 Middle Peace River Hardee 1763A Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/83 Impaired based on the number of exceedances. Peace - Myakka Peace River 01/30/2008: (less than 2 sq.m.) 01/30/2008: (less than 2 sq.m.) 11/16/2011: (less than 2 sq.m.) Sarasota Bay - Charlie Creek above LVS C of C ≥ 2.5 and 03/21/2013: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 3 16-0656 Middle Peace River Hardee 1763A Stream 3F Nutrients (Macrophytes) Medium Peace - Myakka Peace River LVS FLEPPC ≤ 25% 0.33, FLEPPC - 66.67% vegetation survey results. This parameter is being added to the 303(d) List. 11/05/2013: (less than 2 sq.m.) 11/19/2014: Avg CofC - 0, FLEPPC - 100% 04/07/2015: Avg CofC - 0.06, FLEPPC - 100% Annual Geometric Mean(s) 2008 (0.61 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2009 (0.63 mg/L) Sarasota Bay - Charlie Creek above exceeded the nutrient threshold more than once in a three year period, and 3 3 16-0655 Middle Peace River Hardee 1763A Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.49 mg/L Medium 2010 (0.48 mg/L) Peace - Myakka Peace River there is floral data indicating non attainment of designated use. This parameter 2011 (0.47 mg/L) is being added to the 303(d) List. 2012 (0.53 mg/L) 2013 (0.53 mg/L) 2014 (0.54 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - Charlie Creek above Old 3 3 16-0657 Middle Peace River Hardee, Polk 1763D Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/6 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Town Creek Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0895 Little Manatee River Hillsborough 1768 Alderman Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 23/29 Tributaries exceedances for the sample size and is being added to the 303(d) List. Tampa Bay Hillsborough, Tributay to Howard Prairie This waterbody is impaired for this parameter based on the number of 3 2 15-0896 Little Manatee River 1770 Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/24 Tributaries Manatee Branch exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay exceedances for the sample size and anthropogenic sources have been 4 2 20-0432 Little Manatee River Hillsborough 1771 Heritage Park Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 23/25 Tributaries identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Sarasota Bay - 2 3 10-0158 Middle Peace River Hardee, Polk 1774 Little Charlie Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 10/19 Impaired based on the number of exceedances. Peace - Myakka This waterbody is impaired for this parameter based on the number of Coastal Middle exceedances for the sample size and anthropogenic sources have been 4 1 19-0706 Tampa Bay Tampa Bay Hillsborough 1778 Cockroach Bay Estuary 2 Enterococci ≤ 130 Counts / 100 mL High 55/84 identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. Coastal Middle This waterbody is impaired for this parameter based on the number of 4 1 19-0707 Tampa Bay Tampa Bay Hillsborough 1778 Cockroach Bay Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 37/79 exceedances for the sample size. This parameter is being added to the Tributary Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Station 21FLHILL136 (Cockroach Bay at Coastal Middle HCC Study Center) had a median value that exceeded the 14 counts/100 mL 4 1 19-0708 Tampa Bay Tampa Bay Hillsborough 1778 Cockroach Bay Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Medium Impaired criterion with at least 20 samples in the verified period. This parameter is Tributary being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay exceedances for the sample size and anthropogenic sources have been 4 2 20-0433 Little Manatee River Hillsborough 1780 Wildcat Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 25/26 Tributaries identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay Hillsborough,Manate Carlton Branch (South confirmed based on land use. Fewer than twenty samples can be used to 4 2 20-0434 Little Manatee River 1782 Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/9 Tributaries e Segment) identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Coastal Middle This parameter is impaired for this waterbody based on the number of 3 1 13-0232 Tampa Bay Tampa Bay Hillsborough 1788 Cockroach Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 25/35 exceedances for the sample size and is being added to the 303(d) list. Tributary This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Coastal Middle confirmed using genetic marker and chemical tracer data. Fewer than twenty Hillsborough, 4 1 19-0709 Tampa Bay Tampa Bay 1789 Piney Point Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 9/11 samples can be used to identify a waterbody as impaired if there are at least Manatee Tributary five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed based on land use. Fewer than twenty samples can be used to Tampa Bay Hillsborough,Manate Little Manatee River 4 2 20-0435 Little Manatee River 1790 Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 9/16 identify a waterbody as impaired if there are at least five exceedances, per 62- Tributaries e (South Fork) 303.390(2)(f) F.A.C. There is a DEP Adopted Fecal Coliform TMDL for this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay Hillsborough, 2 2 09-2341 Little Manatee River 1792 Unnamed Drainage Ditch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 20/24 Waterbody name needs to be changed to Curiosity Creek. Tributaries Manatee Tampa Bay Hillsborough, This waterbody is impaired for this parameter based on the number of 3 2 15-0900 Little Manatee River 1793 Unnamed Slough Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 15/33 Tributaries Manatee exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coastal Lower exceedances for the sample size. Fewer than twenty samples can be used to 4 1 19-0710 Tampa Bay Tampa Bay Manatee 1797A Terra Ceia Bay Estuary 2 Iron ≤ 0.3 mg/L Medium 7/11 identify a waterbody as impaired if there are at least five exceedances, per 62- Tributary 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Exceeds Shellfish This parameter is impaired for this waterbody because the shellfish harvesting Coastal Lower Fecal Coliform (SEAS Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 3 1 15-1543 Tampa Bay Tampa Bay Manatee 1797B Bishops Harbor Estuary 2 Low N/A Classification) Assessment Section Section (SEAS) of the Department of Agriculture and Consumer Services. Tributary (SEAS) thresholds This parameter is being added to the 303(d) list. Tampa Bay Hillsborough, This waterbody is impaired for this parameter based on the number of 3 2 15-0901 Little Manatee River 1798 Unnamed Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/30 Tributaries Manatee exceedances for the sample size and is being added to the 303(d) List. Tampa Bay 2 2 09-2343 Little Manatee River Manatee 1800 Long Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/14 Tributaries Tampa Bay > 400 colonies per 100 PP - 28/120 Potentially impaired; VP - 37/187 Verified impaired. For the 1998 1 2 03-2338 Manatee River Manatee 1807B Lake Manatee Reservoir Lake 1 Fecal Coliform Medium 2008 Tributaries ml 303(d) analysis, the station data were incorrectly assigned to WBID 1840. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0903 Manatee River Manatee 1810 Gamble Creek Sink Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 16/21 Tributaries exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three-year period. This AGM Lake Istokpoga waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0326 Kissimmee River Highlands 1813L Lake Glenada Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L High 2009 (39 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2011 (35 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine impairment. This parameter is being added to the 303(d) List. Tampa Bay > 400 colonies per 100 1 2 03-2342 Manatee River Manatee 1819 Gamble Creek Stream 3F Fecal Coliform High 2003 PP - 23/33 Potentially impaired; VP - 28/59 Verified impaired Tributaries ml Coastal Lower 2 1 09-2395 Tampa Bay Tampa Bay Manatee 1823 Buffalo Creek Stream 3F Fecal Coliform > 400 Counts/100 ml Low pp = 2 / 4; vp = 10 / 23. Verified impaired. Tributary This waterbody is impaired for this parameter based on the number of Coastal Lower Frog Creek (Tidal exceedances for the sample size and anthropogenic sources have been 4 1 19-0711 Tampa Bay Tampa Bay Manatee 1825A Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 24/40 Segment) identified using land use. This parameter is being added to the Verified List Tributary and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may Coastal Lower be used to identify a waterbody as impaired if there are at least five Frog Creek (Freshwater 3 1 13-0235 Tampa Bay Tampa Bay Manatee 1825B Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/13 exceedances, per Rule 62-303.420(7)(a), F.A.C. This parameter is being Segment) Tributary added to the 303(d) list. This parameter was previously verified impaired in cycle 2 under WBID 1825, which was subsequently revised into two WBIDs, a freshwater WBID 1825A and estuarine WBID 1825B. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Tampa Bay 4 2 20-0436 Manatee River Manatee 1840 Gilley Creek Stream 1 Escherichia coli ≤ 410 Counts / 100 mL Low 13/19 samples can be used to identify a waterbody as impaired if there are at least Tributaries five exceedances, per 62-303.390(2)(f) F.A.C. There is a DEP Adopted Fecal Coliform TMDL for this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Sarasota Bay - 2 3 10-0159 Middle Peace River Hardee 1844 Thompson Branch Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 17/21 Impaired based on the number of exceedances. Peace - Myakka This waterbody is impaired for this parameter based on the number of Tampa Bay Manatee River above exceedances for the sample size and anthropogenic sources have been 4 2 20-0437 Manatee River Manatee 1848B Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 14/24 Tributaries Braden River identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. ENRB8 (AAM) 2012 (7.9 µg/L) This waterbody is impaired for this parameter because the annual arithmetic 2013 (9.1 µg/L) Tampa Bay Manatee River above ENRB8: AAM ≤ 8.8 means exceeded the criteria more than once in a three year period. This 4 2 20-0438 Manatee River Manatee 1848B Estuary 3M Nutrients (Chlorophyll-a) Medium 2014 (10.7 µg/L) Tributaries Braden River µg/L parameter is being added to the Verified List and the department is requesting 2015 (12.5 µg/L) EPA add it to the 303(d) List. 2016 (13.6 µg/L) 2017 (8.4 µg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the causative pollutant. Dissolved oxygen measurements taken within tidal areas are assessed using associated specific conductivity data (4,580 µmhos/cm, or Tampa Bay Wares Creek (Estuarine Dissolved Oxygen (Percent 1,500 mg/L chloride, or 2.7 PSU salinity) for the determination of applicable 4 2 20-0439 Manatee River Manatee 1848D1 Estuary 3M Nutrients ≥ 42 % Medium 15/39 Tributaries Segment) Saturation) freshwater or marine criteria as described in 62-303.320(11), F.A.C. Samples used in this assessment when the freshwater criteria apply were evaluated against a time of day adjustment as described in 62-303.420(9), F.A.C. This parameter is being added to the Verified List and it will remain on the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Tampa Bay Wares Creek (Estuarine 4 2 20-0440 Manatee River Manatee 1848D1 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 14/16 samples can be used to identify a waterbody as impaired if there are at least Tributaries Segment) five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 AGM This waterbody is impaired for this parameter because the annual geometric Tampa Bay Wares Creek (Estuarine 2012 (3 µg/L) means exceeded the nutrient threshold of 11 µg/L more than once in a three 4 2 20-0441 Manatee River Manatee 1848D1 Estuary 3M Nutrients (Chlorophyll-a) AGM ≤ 11 µg/L Medium Tributaries Segment) 2017 (14 µg/L) year period. This parameter is being added to the Verified List and the 2018 (16 µg/L) department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Tampa Bay Wares Creek (Freshwater 4 2 20-0442 Manatee River Manatee 1848D2 Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 5/16 samples can be used to identify a waterbody as impaired if there are at least Tributaries Segment) five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. RPS ≤ 25%, or when This waterbody is impaired for this parameter based on two or more failing between 20% - 25% Tampa Bay Wares Creek (Freshwater 04/02/2018: 100% rapid periphyton surveys with >25% coverage periphyton. This parameter is 4 2 20-0443 Manatee River Manatee 1848D2 Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium Tributaries Segment) 10/24/2018: 99% being added to the Verified List and the department is requesting EPA add it to Autoecological Data the 303(d) List. Indicates No Imbalance Lower Kissimmee Highlands, This WBID is impaired for fecal coliforms based on the number of 2 4 10-3154 Kissimmee River 1856A Istokpoga Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/24 Planning Unit Okeechobee exceedances. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Based on further analysis by DEP to Lower Kissimmee Highlands, 3 4 17-0327 Kissimmee River 1856A Istokpoga Canal Stream 3F Iron ≤ 1.0 mg/L Medium 6/23 investigate whether or not the impairment is due to natural conditions, Planning Unit Okeechobee anthropogenic sources could not be ruled out as the cause of the impairment and therefore this parameter is being added to the 303(d) List. Average score of at least two temporally independent LVI scores LVI (n=3) ≥ 43; or either of the Big Mean (38) This waterbody is impaired for this parameter based on failing bioassessments Lake Istokpoga two most recent LVI Mean 1 (36) 3 4 17-0328 Kissimmee River Highlands 1856B Lake Istokpoga Lake 3F Biology Nutrients High and nutrients has been determined to be the causative pollutant. This Planning Unit scores ≥ 43; or if there Mean 2 (35) parameter is being added to the 303(d) List. are only two LVI scores Mean 3 (43 [Highlands and there is less than County Data]) or equal to a 20 point difference. AGM 2009 (32 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2010 (30 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Lake Istokpoga 2011 (27 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0329 Kissimmee River Highlands 1856B Lake Istokpoga Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L High Planning Unit 2012 (20 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2013 (26 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (32 µg/L) impairment. This parameter is being added to the 303(d) List. 2015 (32 µg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (1.57 mg/L) This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 2.23 mg/L; 2010 (1.55 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Lake Istokpoga 2011 (1.57 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0330 Kissimmee River Highlands 1856B Lake Istokpoga Lake 3F Nutrients (Total Nitrogen) or No Data to calculate High Planning Unit 2012 (1.45 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (1.41 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2014 (1.55 mg/L) impairment. This parameter is being added to the 303(d) List. 1.27 mg/L 2015 (1.41 mg/L) AGM Chl-a AGM ≤ 20 µg/L, 2009 (0.07 mg/L) This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.16 mg/L; 2010 (0.07 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Lake Istokpoga 2011 (0.07 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0331 Kissimmee River Highlands 1856B Lake Istokpoga Lake 3F Nutrients (Total Phosphorus) or No Data to calculate High Planning Unit 2012 (0.06 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (0.07 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2014 (0.08 mg/L) impairment. This parameter is being added to the 303(d) List. 0.05 mg/L 2015 (0.07 mg/L) PP - Insufficient data to calculate any annual mean Chl-a. VP - Impaired. 1 annual mean Chl-a exceeded the threshold in 2004. The annual mean Chl-a Lake Istokpoga TN = 1.52 mg/L; TP = was 51.97 in 2004. 16 Chl-a values, range 1-510 µg/l, mean 57.1 µg/L. 76 1 4 06-0514 Kissimmee River Highlands 1860A Josephine Creek Stream 3F Nutrients (Chlorophyll-a) Medium 2007 Planning Unit 0.07 mg/L TN values, Median 1.256 mg/L. 76 TP values, Median 0.05 mg/L. The community is phosphorus and nitrogen co-limited, but is more limited by phosphorus based on a Median TN/TP ratio of 23.1 from 76 TN/TP ratios. 12/15/2014: Avg CofC - Lake Istokpoga LVS C of C ≥ 2.5 and 1.6, FLEPPC - 63% This waterbody is impaired for this parameter based on failing linear 3 4 17-0332 Kissimmee River Highlands 1860A Josephine Creek Stream 3F Nutrients (Macrophytes) Medium Planning Unit LVS FLEPPC ≤ 25% 3/25/2015: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.8, FLEPPC - 55% 2004 (ID) This waterbody is verified as impaired for nutrients because annual average Lake Istokpoga 2006 (ID) 2 4 10-3157 Kissimmee River Highlands 1860C Jackson Creek Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium chlorophyll-a values exceeded the listing threshold of 20 µg/L in 2009. TN Planning Unit 2007 (ID) and TP are co-limiting based on a median TN/TP ratio of 15.661 (n=25). 2009 (68 µg/L) 2/3/2015: Avg CofC - 2.2, FLEPPC - 38% 6/17/2015: Avg CofC - This waterbody is impaired for this parameter based on failing linear Lake Istokpoga LVS C of C ≥ 2.5 and 1.4, FLEPPC - 56% 3 4 17-0333 Kissimmee River Highlands 1860C Jackson Creek Stream 3F Nutrients (Macrophytes) Medium vegetation survey results. This parameter is being added to the 303(d) List. Planning Unit LVS FLEPPC ≤ 25% 5/25/2016: Avg CofC - Data from outside the verified period was used to support this assessment. 0.4, FLEPPC - 89% 12/27/2016: Avg CofC - 0.5, FLEPPC - 62% Sarasota Bay - > 400 colonies per 100 1 3 05-1176 Upper Myakka River Manatee 1869B Myakka River (Upper) Stream 3F Fecal Coliform Medium 2009 PP = 7 / 36; VP = 5 / 24 Peace - Myakka ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - Myakka River (Upper 3 3 16-0658 Upper Myakka River Manatee 1869C Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 11/12 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Segment) Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Impaired based on the number of exceedances. There are 16 additional Sarasota Bay - 2 3 10-0160 Middle Peace River Hardee 1871 Alligator Branch Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 9/20 samples collected at stations 21FLTPA 25020256 and 21FLTPA Peace - Myakka 27283758145059 after 6/30/09, with six samples exceeding 400 cfu/100 ml. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay Mill Creek (Estuarine 4 2 20-0444 Manatee River Manatee 1872A Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 18/20 confirmed using genetic marker and chemical tracer data. This parameter is Tributaries Segment) being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Tampa Bay Mill Creek (Freshwater exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0908 Manatee River Manatee 1872B Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 25/34 Tributaries Segment) WBID was created from the retired WBID 1872 that was on the Verified List for this parameter. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0659 Middle Peace River Hardee 1873 Oak Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 21/23 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Tampa Bay This waterbody is impaired for this parameter based on the number of 3 2 15-0909 Manatee River Manatee 1874 Gates Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 21/24 Tributaries exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay Braden River below Ward identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0445 Manatee River Manatee 1876 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 6/7 Tributaries Lake waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Sarasota Bay - > 400 colonies per 100 1 3 05-1177 Upper Myakka River Manatee, Sarasota 1877A Myakka River (Upper) Stream 3F Fecal Coliform Medium 2009 PP = 34 / 143; VP = 32 / 161 Peace - Myakka ml Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0660 Lower Myakka River Sarasota 1877C Myakka River (North Fork) Stream 1 Fecal Coliform ≤ 400 Counts / 100 mL Low 30/64 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. 05/14/2013: Avg CofC - Sarasota Bay - LVS C of C ≥ 2.5 and 0.97, FLEPPC - 50% This waterbody is impaired for this parameter based on failing linear 3 3 16-0661 Lower Myakka River Sarasota 1877C Myakka River (North Fork) Stream 1 Nutrients (Macrophytes) Medium Peace - Myakka LVS FLEPPC ≤ 25% 12/04/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.65, FLEPPC - 66.67% Sarasota Bay - Impaired based on the number of exceedances. Exceeds Class II criteria for 2 3 10-0165 Sarasota Bay Manatee 1883 Palma Sola Bay Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 128/704 Peace - Myakka bacteria. PP = Not impaired; VP = Impaired. The waterbody segment exceeded the 21 Sarasota Bay - < 21 days of beach 1 3 05-1271 Sarasota Bay Manatee 1883B Palma Sola North Coastal 3M Bacteria (Beach Advisories) Medium 2009 day beach closures, advisories, or warnings in 2003 with 75 days as per IWR Peace - Myakka advisories Rule 62-303.360(1)(c). PP = Not impaired; VP = Impaired. The waterbody segment exceeded the 21 Sarasota Bay - < 21 days of beach 1 3 05-1272 Sarasota Bay Manatee 1883C Palma Sola South Coastal 3M Bacteria (Beach Advisories) Medium 2009 day beach closures, advisories, or warnings in 2003 with 142 days as per IWR Peace - Myakka advisories Rule 62-303.360(1)(c). Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0662 Sarasota Bay Manatee 1885A West Cedar Hammock Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 51/73 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Tampa Bay identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0446 Manatee River Manatee 1887 Sugarhouse Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 18/19 Tributaries waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay 2 2 09-2355 Manatee River Manatee 1890 Webb Branch Stream 1 Dissolved Oxygen Total Phosphorus ≥ 5.0 mg/L Medium 26/50 Tributaries Sarasota Bay - 2 3 10-0216 Upper Myakka River Manatee 1894 Young Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/12 Impaired based on the number of exceedances. Peace - Myakka Sarasota Bay - > 400 colonies per 100 1 3 05-1273 Sarasota Bay Manatee 1896 Bowlees Creek Estuary 3M Fecal Coliform Medium 2009 PP = 16 / 49; VP = 20 / 68 Peace - Myakka ml PP - Potentially impaired; VP - Verified Impaired. VP - Annual average chl(a) Sarasota Bay - values exceeded 20 µg/L in 1998, 1999, 2000, 2002. Nitrogen is the limiting 1 3 05-1275 Sarasota Bay Manatee 1896 Bowlees Creek Estuary 3M Nutrients (Chlorophyll-a) Median TN = 1.42 mg/L Medium 2009 Peace - Myakka nutrient based on a TN/TP ratio median of 5.79. 52 TN values, median 1.42 mg/L. 52 TP values, median 0.269 mg/L. This waterbody is verified as impaired based on the number of exceedances. Lake Istokpoga Cu ≤ e(0.8545[lnH]- 2 4 10-3158 Kissimmee River Highlands 1898A Lake Wolf Outlet Stream 3F Copper Medium 10/19 Fewer than twenty samples may be used to identify a waterbody as impaired if Planning Unit 1.702) µg/L there are at least five exceedances, per Rule 62-303.420(7)(a). This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Tampa Bay 4 2 20-0447 Manatee River Manatee 1899 Gap Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 11/17 samples can be used to identify a waterbody as impaired if there are at least Tributaries five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on failing linear 03/06/2018: Avg CofC - vegetation surveys with an average C of C score < 2.5 and FLEPPC percent Tampa Bay LVS C of C ≥ 2.5 and 1.1, FLEPPC - 55% coverage of > 25%. The department is evaluating if this waterbody meets the 4 2 20-0448 Manatee River Manatee 1899 Gap Creek Stream 3F Nutrients (Macrophytes) Medium Tributaries LVS FLEPPC ≤ 25% 04/30/2019: Avg CofC - definition of a stream and is looking for more information on the hydrologic 2.0, FLEPPC - 41% function of this waterbody. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Tampa Bay > 400 colonies per 100 1 2 03-2352 Manatee River Manatee 1901 Williams Creek Stream 3F Fecal Coliform High 2003 PP - 1/1 Insufficient data; VP - 11/21. Verified impaired. Tributaries ml Tampa Bay > 400 colonies per 100 1 2 03-2354 Manatee River Manatee 1912 Unnamed Drain Stream 1 Fecal Coliform Medium 2008 PP - 34/67 Potentially impaired; VP - 38/77 Verified impaired Tributaries ml Impaired with biochemical oxygen demand identified as the causative Sarasota Bay - Biochemical Oxygen pollutant. Data used to place water on 1998 303(d) list are from WBID 1968B. 2 3 10-0171 Sarasota Bay Manatee, Sarasota 1916 Longboat Key Estuary 3M Dissolved Oxygen Dissolved Oxygen ≥ 4.0 mg/L Medium 9/21 Peace - Myakka Demand Previously known as "DIRECT RUNOFF TO BAY (Buttonwood Harbor/Sarasota Bay)" on the original 1998 303(d) list.

05/16/2013: Avg CofC - Sarasota Bay - LVS C of C ≥ 2.5 and 0.75, FLEPPC - 69.23% This waterbody is impaired for this parameter based on failing linear 3 3 16-0663 Sarasota Bay Manatee, Sarasota 1924 Cow Pen Slough Stream 3F Nutrients (Macrophytes) Medium Peace - Myakka LVS FLEPPC ≤ 25% 12/03/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.28, FLEPPC - 88.06% Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Total Nitrogen, Total Sarasota Bay - Impaired with total nitrogen, total phosphorus and biochemical oxygen demand 2 3 10-0218 Upper Myakka River Manatee, Sarasota 1927 Oglebay Creek Stream 3F Dissolved Oxygen Phosphorus, Biochemical ≥ 5.0 mg/L Medium 38/74 Peace - Myakka identified as the causative pollutants. Oxygen Demand Sarasota Bay - 2 3 10-0219 Upper Myakka River Manatee, Sarasota 1927 Oglebay Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/20 Impaired based on the number of exceedances. Peace - Myakka Tampa Bay > 400 colonies per 100 1 2 03-2369 Manatee River Manatee, Sarasota 1930A Cooper Creek Stream 1 Fecal Coliform Medium 2008 PP - 37/118 Potentially impaired; VP - 40/135 Verified impaired. Tributaries ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - 3 3 16-0664 Upper Myakka River Hardee, Manatee 1933 Owen Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 10/14 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0665 Upper Myakka River Hardee, Manatee 1933 Owen Creek Stream 3F Un-ionized Ammonia ≤ 0.02 mg/L as NH3 Medium 8/26 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Total Nitrogen, Total Sarasota Bay - Impaired with total nitrogen, total phosphorus and biochemical oxygen demand 2 3 10-0176 Sarasota Bay Sarasota 1936 Whitaker Bayou (Tidal) Estuary 3M Dissolved Oxygen Phosphorus, Biochemical ≥ 4.0 mg/L High 7/16 Peace - Myakka identified as the causative pollutants. Oxygen Demand Sarasota Bay - 2 3 10-0177 Sarasota Bay Sarasota 1936 Whitaker Bayou (Tidal) Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 14/24 Impaired based on the number of exceedances. Peace - Myakka This waterbody is impaired because annual average Chl-a values exceeded Sarasota Bay - 2 3 10-0179 Sarasota Bay Sarasota 1936 Whitaker Bayou (Tidal) Estuary 3M Nutrients Nutrients (Chlorophyll-a) ≤ 11 µg/L High 2008 (39.0 µg/l) 11 µg/l in 2008. Nitrogen is the limiting nutrient based on the TN/TP ratio Peace - Myakka median of 4.11 mg/L (n=14). Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0666 Sarasota Bay Manatee, Sarasota 1936A Walker Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 103/142 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - > 400 colonies per 100 1 3 05-1276 Sarasota Bay Sarasota 1937 Philippi Creek Stream 3F Coliforms Fecal Coliform Medium 2008 PP = 35 / 78; VP = 42 / 88 Verified Impaired Peace - Myakka ml AGM This waterbody is impaired for this parameter. The annual geometric means Lake Placid 2009 (6 µg/L) 3 4 17-0334 Kissimmee River Highlands 1938C Lake Placid Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2010 (8 µg/L) parameter is being added to the 303(d) List. 2011 (9 µg/L) This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three-year period. This 2013 (47 µg/L) Lake Placid waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0335 Kissimmee River Highlands 1938E Persimmon Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L High 2014 (43 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2015 (43 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2016 (31 µg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; AGM exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2013 (2.15 mg/L) Lake Placid waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0336 Kissimmee River Highlands 1938E Persimmon Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate High 2014 (2.10 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2015 (2.76 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2016 (2.47 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L AGM 2013 (15 µg/L) This waterbody is impaired for this parameter. The annual geometric means Lake Placid 3 4 17-0337 Kissimmee River Highlands 1938F Red Water Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2014 (31 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2015 (32 µg/L) parameter is being added to the 303(d) List. 2016 (23 µg/L) Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM If Chl-a has Insufficient 2013 (0.49 mg/L) This waterbody is impaired for this parameter. The annual geometric means Lake Placid 3 4 17-0338 Kissimmee River Highlands 1938F Red Water Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2014 (0.89 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2015 (1.19 mg/L) parameter is being added to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2016 (1.55 mg/L) mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; AGM If Chl-a has Insufficient 2013 (0.01 mg/L) This waterbody is impaired for this parameter. The annual geometric means Lake Placid 3 4 17-0339 Kissimmee River Highlands 1938F Red Water Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2014 (0.01 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2015 (0.02 mg/L) parameter is being added to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 2016 (0.02 mg/L) mg/L This waterbody is verified as impaired based on the number of exceedances. Lake Placid Cu ≤ e(0.8545[lnH]- 2 4 10-3160 Kissimmee River Highlands 1938Y Lake Placid Outlet Stream 3F Copper Medium 7/17 Fewer than twenty samples may be used to identify a waterbody as impaired if Planning Unit 1.702) µg/L there are at least five exceedances, per Rule 62-303.420(7)(a). This waterbody is verified as impaired for dissolved oxygen based on the Lake Placid Total Nitrogen, Total 2 4 10-3161 Kissimmee River Highlands 1938Y Lake Placid Outlet Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 25/37 number of exceedances. Total nitrogen and total phosphorus have been Planning Unit Phosphorus identified as the causative pollutants. Lake Placid Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 4 17-0340 Kissimmee River Highlands 1938Y Lake Placid Outlet Stream 3F Lead Medium 6/8 Planning Unit 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - 3 3 16-0667 Middle Peace River Desoto, Hardee 1939 Brandy Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/15 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0668 Upper Myakka River Sarasota 1940 Howard Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 32/86 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0669 Upper Myakka River Sarasota 1940 Howard Creek Stream 3F Iron ≤ 1.0 mg/L Medium 18/63 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List). 07/30/2013: Avg CofC - Sarasota Bay - LVS C of C ≥ 2.5 and 2.17, FLEPPC - 41.18% This waterbody is impaired for this parameter based on failing linear 3 3 16-0670 Upper Myakka River Sarasota 1943 Indian Creek Stream 3F Nutrients (Macrophytes) Medium Peace - Myakka LVS FLEPPC ≤ 25% 01/27/2014: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 2.09, FLEPPC - 28.3% Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0671 Sarasota Bay Sarasota 1947 Philippi Creek (Tidal) Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 8/25 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - Biochemical Oxygen Impaired with biochemical oxygen demand identified as the causative 2 3 10-0182 Sarasota Bay Sarasota 1953 Hudson Bayou Tidal Estuary 3M Dissolved Oxygen ≥ 4.0 mg/L Medium 11/21 Peace - Myakka Demand pollutant. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Sarasota Bay - 2 3 10-0183 Sarasota Bay Sarasota 1953 Hudson Bayou Tidal Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 7/20 Impaired based on the number of exceedances. Peace - Myakka This waterbody is impaired for this parameter based on the number of Sarasota Bay - 3 3 16-0672 Sarasota Bay Sarasota 1953A Drain to Hudson Bayou Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 117/146 exceedances for the sample size. This parameter is being added to the 303(d) Peace - Myakka List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0673 Lower Myakka River Manatee 1955 Wildcat Slough Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 10/24 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - > 400 colonies per 100 1 3 05-1181 Lower Myakka River Manatee, Sarasota 1958 Mud Lake Slough Stream 3F Coliforms Fecal Coliform Medium 2009 PP = 5 / 14; VP = 6 / 29. EPA proposed TMDL in 2001. Peace - Myakka ml 05/08/2013: Avg CofC - Sarasota Bay - LVS C of C ≥ 2.5 and 0.9, FLEPPC - 63.49% This waterbody is impaired for this parameter based on failing linear 3 3 16-0674 Sarasota Bay Sarasota 1966 Philippe Creek Tributary Stream 3F Nutrients (Macrophytes) Medium Peace - Myakka LVS FLEPPC ≤ 25% 12/03/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.35, FLEPPC - 82.35% Sarasota Bay - 2 3 10-0092 Lower Myakka River Manatee 1967 Bud Slough Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/20 Impaired based on the number of exceedances. Peace - Myakka Exceeds Shellfish Sarasota Bay - Evaluation & Listed based on shellfish harvesting classification of prohibited by Shellfish 2 3 10-0187 Sarasota Bay Manatee, Sarasota 1968B Sarasota Bay Estuary 2 Bacteria (in Shellfish) Low Peace - Myakka Assessment Section Environmental Assessment Section (SEAS) of the Department of Agriculture. (SEAS) thresholds ENRC5: AGM 2008 (0.33 mg/L) 2009 (0.31 mg/L) 2010 (0.38 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Sarasota Bay - ENRC5: AAM ≤ 0.43 3 3 16-0675 Sarasota Bay Sarasota 1968F Blackburn Bay Estuary 3M Nutrients (Total Nitrogen) Medium 2011 (0.37 mg/L) means exceeded the criterion more than once in the most recent consecutive Peace - Myakka mg/L 2012 (0.37 mg/L) three year period. This parameter is being added to the 303(d) List. 2013 (0.46 mg/L) 2014 (0.45 mg/L) 2015 (0.35 mg/L) Sarasota Bay - Myakka River at Clay This waterbody is impaired for this parameter based on the number of 3 3 16-0676 Lower Myakka River Sarasota 1972A Stream 1 Fecal Coliform ≤ 400 Counts / 100 mL Low 11/61 Peace - Myakka Gully West exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0677 Sarasota Bay Sarasota 1975 Elligraw Bayou Estuary 3M Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 38/114 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Annual Geometric Mean(s) 2010 (12 µg/L) This waterbody is impaired for this parameter because the annual geometric Sarasota Bay - 2011 (10 µg/L) 3 3 16-0678 Sarasota Bay Sarasota 1975 Elligraw Bayou Estuary 3M Nutrients Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium means exceeded the IWR threshold of 11 µg/L more than once in a three year Peace - Myakka 2012 (18 µg/L) period. This parameter is being added to the 303(d) List. 2013 (13 µg/L) 2014 (12 µg/L) 2015 (22 µg/L) Sarasota Bay - 2 3 10-0192 Sarasota Bay Sarasota 1975A Clowers Creek Estuary Estuary 3M Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 17/20 Impaired based on the number of exceedances. Peace - Myakka This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - 3 3 16-0679 Sarasota Bay Sarasota 1975A Clowers Creek Estuary Estuary 3M Copper ≤ 3.7 µg/L Medium 9/15 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - 3 3 16-0680 Sarasota Bay Sarasota 1975A Clowers Creek Estuary Estuary 3M Iron ≤ 0.3 mg/L Medium 17/17 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Sarasota Bay - 3 3 16-0681 Sarasota Bay Sarasota 1975B Matheny Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 81/150 exceedances for the sample size. This parameter is being added to the 303(d) Peace - Myakka List. This waterbody is impaired for this parameter based on the number of Sarasota Bay - 3 3 16-0682 Lower Myakka River Manatee, Sarasota 1976 Big Slough Canal Stream 1 Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 36/108 exceedances for the sample size. This parameter is being added to the 303(d) Peace - Myakka List. PP - 47 / 86 Potentially impaired; VP - 41 / 85 Verified impaired. Nutrients Sarasota Bay - Nutrients (added from 1 3 05-1183 Lower Myakka River Sarasota 1981B Myakka River Stream 1 Dissolved Oxygen Dissolved Oxygen < 5.0 mg/L Medium 2009 were identified as a causative pollutant based on chlorophyll data/nutrient Peace - Myakka comments) impairment verification. Nitrogen limited. RPS ≤ 25%, or when between 20% - 25% 04/15/2010: 0% This waterbody is impaired for this parameter based on failing rapid periphyton Sarasota Bay - 3 3 16-0683 Lower Myakka River Sarasota 1981B Myakka River Stream 1 Nutrients (Algal Mats) Evaluation of Algal Medium 10/19/2010: 68.18% survey results. There are at least two temporally independent samples greater Peace - Myakka Autoecological Data 04/18/2011: 100% than 25% and this parameter is being added to the Verified List. Indicates No Imbalance Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; Annual Geometric This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Mean(s) exceeded the nutrient criteria more than once in a three year period. This Sarasota Bay - Lake Myakka (Upper 3 3 16-0684 Lower Myakka River Sarasota 1981C Lake 1 Nutrients (Total Phosphorus) or No Data to calculate Medium 2008 (0.40 mg/L) parameter is being added to the 303(d) List. This waterbody was previously Peace - Myakka Segment) AGM or if Chl-a AGM > 2010 (0.12 mg/L) impaired for Nutrients (TSI), however that parameter is no longer being 20 µg/L, TP AGM ≤ 2011 (0.17 mg/L) assessed to determine impairment. 0.05 mg/L Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0685 Sarasota Bay Sarasota 1982 South Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 42/66 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Exceeds Shellfish Evaluation & Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2391 Charlotte Harbor Lemon Bay Charlotte, Sarasota 1983A Lemon Bay Estuary 3M Bacteria (in Shellfish) Medium 2008 Assessment Section from approved to conditional). (SEAS) thresholds ENRD2: AAM 2007 (5 µg/L) 2008 (8 µg/L) This waterbody is impaired for this parameter because the annual arithmetic ENRD2: AAM ≤ 8.9 2009 (9 µg/L) 3 2 15-0705 Charlotte Harbor Lemon Bay Charlotte, Sarasota 1983A Upper Lemon Bay Estuary 2 Nutrients Nutrients (Chlorophyll-a) Medium means exceeded the criterion more than once in a three year period. This µg/L 2010 (10 µg/L) parameter is being added to the 303(d) List. 2011 (7 µg/L) 2012 (11 µg/L) 2013 (4 µg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 ENRD2: AAM 2007 (0.65 mg/L) 2008 (0.64 mg/L) This waterbody is impaired for this parameter because the annual arithmetic ENRD2: AAM ≤ 0.56 2009 (0.58 mg/L) 3 2 15-0706 Charlotte Harbor Lemon Bay Charlotte, Sarasota 1983A Upper Lemon Bay Estuary 2 Nutrients (Total Nitrogen) Medium means exceeded the criterion more than once in a three year period. This mg/L 2010 (0.64 mg/L) parameter is being added to the 303(d) List. 2011 (0.57 mg/L) 2012 (0.59 mg/L) 2013 (0.44 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one sampling location (21FLCHARLBV002) that has a median fecal coliform MPN 4 2 20-0258 Charlotte Harbor Lemon Bay Charlotte,Sarasota 1983A Upper Lemon Bay Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired value that exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. 2001 (11.41 µg/L) 2002 Annual average Chl a (µg/L) values exceeded 11 µg/L in 2001 (11.41) and (9.23 µg/L) 2003 (7.45 2005 (11.07). Nutrients are impaired with median values of [TN = 0.54 (230 µg/L) 2004 (6.69 µg/L) 2 2 09-1749 Charlotte Harbor Lemon Bay Sarasota 1983A1 North Lemon Bay Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium observations), TP = 0.21 (230 observations), and BOD = 1.4 (219 2005 (11.07 µg/L) 2006 observations)]. Waterbody is nitrogen limited based on the median TN/TP (6.11 µg/L) 2007 (4.42 ratio of 2.14 (227 values). µg/L) AGM 2007 (0.54 mg/L) 2008 (0.61 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Lemon Bay (North ENRD2: AAM ≤ 0.56 2009 (0.52 mg/L) 3 2 15-0707 Charlotte Harbor Lemon Bay Sarasota 1983A1 Estuary 3M Nutrients (Total Nitrogen) Medium means exceeded the criterion more than once in a three year period. This Segment) mg/L 2010 (0.60 mg/L) parameter is being added to the 303(d) List. 2011 (0.58 mg/L) 2012 (0.56 mg/L) 2013 (0.49 mg/L) Exceeds Shellfish Evaluation & Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2392 Charlotte Harbor Lemon Bay Charlotte 1983B Lemon Bay Estuary 2 Bacteria (in Shellfish) Medium 2008 Assessment Section from approved to conditional). (SEAS) thresholds Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0686 Sarasota Bay Sarasota 1984 Catfish Creek (Tidal) Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 39/82 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Total Nitrogen, Total Sarasota Bay - Impaired with total nitrogen, total phosphorus and biochemical oxygen demand 2 3 10-0201 Sarasota Bay Sarasota 1984A North Creek (Tidal) Estuary 3M Dissolved Oxygen Phosphorus, Biochemical ≥ 4.0 mg/L Medium 15/19 Peace - Myakka identified as the causative pollutants. Oxygen Demand Impairment for iron is due in part to naturally occurring groundwater inputs, Sarasota Bay - however this WBID is included in a groundwater analysis report and the 2 3 10-0202 Sarasota Bay Sarasota 1984A North Creek (Tidal) Estuary 3M Iron ≤ 0.3 mg/L Medium 18/18 Peace - Myakka Department retained iron on the verified list because the Department could not eliminate possible anthropogenic sources. This waterbody is impaired because annual average Chl-a values exceeded Sarasota Bay - 2 3 10-0204 Sarasota Bay Sarasota 1984A North Creek (Tidal) Estuary 3M Nutrients Nutrients (Chlorophyll-a) ≤ 11 µg/L High 2008 (14.9 µg/l) 11 µg/l in 2008. Nitrogen is the limiting nutrient based on the TN/TP ratio Peace - Myakka median of 6.63 mg/L (n=18). Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0687 Sarasota Bay Sarasota 1984A North Creek (Tidal) Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 22/83 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0688 Sarasota Bay Sarasota 1984AA Catfish Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 13/66 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Exceeds Shellfish Listed based on shellfish harvesting classification of conditionally restricted by Sarasota Bay - Evaluation & 2 3 10-0099 Lower Myakka River Charlotte, Sarasota 1991A Myakka River Estuary 2 Bacteria (in Shellfish) Low Shellfish Environmental Assessment Section (SEAS) of the Department of Peace - Myakka Assessment Section Agriculture. (SEAS) thresholds This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Sarasota Bay - 3 3 16-0689 Lower Myakka River Charlotte, Sarasota 1991A Myakka River Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired sampling location that has a median fecal coliform MPN value that exceeds 14 Peace - Myakka counts per 100 ml for the verified period. This parameter is being added to the 303(d) List. Sarasota Bay - > 400 colonies per 100 1 3 05-1187 Lower Myakka River Charlotte, Sarasota 1991B Myakka River Estuary 2 Fecal Coliform Medium 2009 PP = 1 / 167; VP =9 / 45 Peace - Myakka ml Exceeds Shellfish Listed based on shellfish harvesting classification of conditionally restricted by Sarasota Bay - Evaluation & 2 3 10-0101 Lower Myakka River Charlotte, Sarasota 1991B Myakka River Estuary 2 Bacteria (in Shellfish) Low Shellfish Environmental Assessment Section (SEAS) of the Department of Peace - Myakka Assessment Section Agriculture. (SEAS) thresholds This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Sarasota Bay - 3 3 16-0690 Lower Myakka River Charlotte, Sarasota 1991B Myakka River Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired sampling location that has a median fecal coliform MPN value that exceeds 14 Peace - Myakka counts per 100 ml for the verified period. This parameter is being added to the 303(d) List. ENRD7: AAM 2008 (1.15 mg/L) 2009 (0.75 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Sarasota Bay - ENRD7: AAM ≤ 1.02 2010 (1.07 mg/L) 3 3 16-0691 Lower Myakka River Charlotte, Sarasota 1991B Myakka River Estuary 2 Nutrients (Total Nitrogen) Medium means exceeded the criterion more than once in the most recent consecutive Peace - Myakka mg/L 2011 (1.07 mg/L) three year period. This parameter is being added to the 303(d) List. 2012 (0.91 mg/L) 2013 (0.98 mg/L) 2014 (1.21 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Sarasota Bay - 3 3 16-0692 Lower Myakka River Sarasota 1991C Myakka River Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired sampling location that has a median fecal coliform MPN value that exceeds 14 Peace - Myakka counts per 100 ml for the verified period. This parameter is being added to the 303(d) List. Sarasota Bay - Biochemical Impaired with total nitrogen identified as the causative pollutant. BOD 2 3 10-0119 Lower Peace River DeSoto 1995 Myrtle Slough Stream 1 Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L High 20/37 Peace - Myakka Oxygen Demand assessed by dissolved oxygen parameter. Sarasota Bay - 2 3 10-0120 Lower Peace River DeSoto 1995 Myrtle Slough Stream 1 Dissolved Oxygen Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L High 20/37 Impaired with total nitrogen identified as the causative pollutant. Peace - Myakka Sarasota Bay - 2 3 10-0121 Lower Peace River DeSoto 1995 Myrtle Slough Stream 1 Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 9/23 Impaired based on the number of exceedances. Peace - Myakka Statewide Comprehensive Verified List

12/10/2013: Avg CofC - Sarasota Bay - LVS C of C ≥ 2.5 and 0.45, FLEPPC - 80.95% This waterbody is impaired for this parameter based on failing linear 3 3 16-0708 Lower Peace River Charlotte 2040 Myrtle Slough Stream 1 Nutrients (Macrophytes) Medium Peace - Myakka LVS FLEPPC ≤ 25% 04/09/2014: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.46, FLEPPC - 38.71%

Shall not be increased more than 50% above Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0707 Lower Peace River Charlotte 2040 Myrtle Slough Stream 1 Specific Conductance background or to 1275 Low 56/173 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. μmhos/cm, whichever is greater. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0709 Lower Peace River Charlotte 2041 Shell Creek Stream 1 Chloride ≤ 250 mg/L Low 88/328 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Statewide Comprehensive Verified List

ENRD8: AAM This waterbody is impaired for this parameter because the annual arithmetic Sarasota Bay - Shell Creek below ENRD8: AAM ≤ 0.50 3 3 16-0712 Lower Peace River Charlotte 2041A Estuary 3M Nutrients (Total Phosphorus) Medium 2011 (0.63 mg/L) means exceeded the criterion more than once in the most recent consecutive Peace - Myakka Hendrickson Dam mg/L 2013 (0.59 mg/L) three year period. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty 4 2 20-0260 Charlotte Harbor Lemon Bay Sarasota 2042 Woodmere Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 15/16 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired because annual average Chl-a values exceeded Sarasota Bay - 2003 (2.7 µg/l) 2 3 10-0125 Lower Peace River Charlotte 2047 Manchester Way Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium 11 µg/l in 2008. Nitrogen and phosphorus are the limiting nutrients based on Peace - Myakka 2008 (15.2 µg/l) the TN/TP ratio median of 10.18 mg/L (n=42). Sarasota Bay - Biochemical Oxygen Impaired with biochemical oxygen demand identified as the causative 2 3 10-0110 Lower Myakka River Charlotte 2048A Sam Knight Creek Estuary 3M Dissolved Oxygen ≥ 4.0 mg/L Medium 14/33 Peace - Myakka Demand pollutant. This waterbody is impaired because annual average Chl-a values exceeded Sarasota Bay - 2003 (11.5 µg/l) 2 3 10-0127 Lower Peace River Charlotte 2048B Huckaby Creek Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium 11 µg/l in 2003 and 2008. Nitrogen is the limiting nutrient based on the TN/TP Peace - Myakka 2008 (39.1 µg/l) ratio median of 7.79 mg/L (n=20). This waterbody is impaired because annual average Chl-a values exceeded Sarasota Bay - 2003 (7.2 µg/l) 2 3 10-0128 Lower Peace River Charlotte 2048C Flopbuck Creek Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium 11 µg/l in 2008. Nitrogen and phosphorus are the limiting nutrients based on a Peace - Myakka 2008 (20.5 µg/l) median TN/TP ratio of 20.19 (n=25) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Sarasota Bay - 3 3 16-0713 Lower Peace River Charlotte 2048C Flopbuck Creek Estuary 3M Iron ≤ 0.3 mg/L Medium 9/13 identify a waterbody as impaired if there are at least five exceedances, per Peace - Myakka Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0261 Charlotte Harbor Lemon Bay Sarasota 2049 Gottfried Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 19/29 identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0714 Lower Myakka River Charlotte 2053 Trailer Park Canal Estuary 2 Copper ≤ 3.7 µg/L Medium 8/24 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - This waterbody is impaired for this parameter based on the number of 3 3 16-0715 Lower Myakka River Charlotte 2053 Trailer Park Canal Estuary 2 Fecal Coliform ≤ 31 MF / 100 mL Low 9/34 Peace - Myakka exceedances for the sample size and is being added to the 303(d) List. Sarasota Bay - 2 3 10-0131 Lower Peace River Charlotte 2054 Myrtle Slough Estuary 3M Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High 5/16 Impaired based on the number of exceedances. Peace - Myakka Impairment for iron is due in part to naturally occurring groundwater inputs, Sarasota Bay - however this WBID is included in a groundwater analysis report and the 2 3 10-0132 Lower Peace River Charlotte 2054 Myrtle Slough Estuary 3M Iron ≤ 0.3 mg/L Medium 7/11 Peace - Myakka Department retained iron on the verified list because the Department could not eliminate possible anthropogenic sources. PP - Potentially impaired; VP - Verified impaired. Annual average Chl-a Sarasota Bay - values exceeded 20 µg/L in 1997, 1998. Nitrogen is the limiting nutrient 1 3 05-1191 Lower Myakka River Charlotte 2055 Tippecanoe Bay Estuary 3M Nutrients (Chlorophyll-a) Median TN = 0.9 mg/L Medium 2009 Peace - Myakka based on a TN/TP ratio median of 4.92 (34 values) in the Planning Period and a TN/TP median of 5.50 (22 values) in the Verified Period. Sarasota Bay - Impaired based on the number of exceedances. Exceeds Class II criteria for 2 3 10-0114 Lower Myakka River Charlotte 2055 Tippecanoe Bay Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 18/112 Peace - Myakka bacteria. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Sarasota Bay - 3 3 16-0716 Lower Myakka River Charlotte 2055 Tippecanoe Bay Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired sampling location that has a median fecal coliform MPN value that exceeds 14 Peace - Myakka counts per 100 ml for the verified period. This parameter is being added to the 303(d) List. Impairment for iron is due in part to naturally occurring groundwater inputs, Sarasota Bay - Peace River Estuary however this WBID is included in a groundwater analysis report and the 2 3 10-0134 Lower Peace River Charlotte 2056A Estuary 3M Iron ≤ 0.3 mg/L Medium 51/116 Peace - Myakka (Lower Segment) Department retained iron on the verified list because the Department could not eliminate possible anthropogenic sources. Impairment for iron is due in part to naturally occurring groundwater inputs, Sarasota Bay - Middle Peace River however this WBID is included in a groundwater analysis report and the 2 3 10-0136 Lower Peace River Charlotte 2056B Estuary 3M Iron ≤ 0.3 mg/L Medium 30/62 Peace - Myakka Estuary (Middle Segment) Department retained iron on the verified list because the Department could not eliminate possible anthropogenic sources. ENRD8: AAM 2008 (1.25 mg/L) 2009 (1.05 mg/L) 2010 (1.11 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Sarasota Bay - Middle Peace River ENRD8: AAM ≤ 1.08 3 3 16-0717 Lower Peace River Charlotte 2056B Estuary 3M Nutrients (Total Nitrogen) Medium 2011 (1.11 mg/L) means exceeded the criterion more than once in a three year period. This Peace - Myakka Estuary (Middle Segment) mg/L 2012 (1.06 mg/L) parameter is being added to the 303(d) List. 2013 (0.99 mg/L) 2014 (1.09 mg/L) 2015 (0.99 mg/L) This waterbody is impaired for this parameter based on the number of Peace River exceedances for the sample size and is being added to the 303(d) List. WBID Sarasota Bay - 3 3 16-0718 Lower Peace River Charlotte 2056C2 Estuary(Upper Segment Estuary 3M Iron ≤ 0.3 mg/L Medium 61/114 2056C, which was retired and split into WBIDs 2056C1 and 2056C2, was Peace - Myakka South) included in a groundwater analysis report during the Cycle 2 assessment, and the Department could not eliminate possible anthropogenic sources of iron. ENRD8 (AAM) 2008 (1.01 mg/L) Peace River 2009 (0.95 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Sarasota Bay - ENRD8: AAM ≤ 1.08 3 3 16-0719 Lower Peace River Charlotte 2056C2 Estuary(Upper Segment Estuary 3M Nutrients (Total Nitrogen) Medium 2010 (1.20 mg/L) means exceeded the criterion more than once in the most recent consecutive Peace - Myakka mg/L South) 2011 (1.25 mg/L) three year period. This parameter is being added to the 303(d) List. 2012 (1.03 mg/L) 2013 (1.09 mg/L) Statewide Comprehensive Verified List

Exceeds Shellfish This waterbody is listed as impaired for this parameter because the shellfish Sarasota Bay - Myakka Cutoff (Eastern Fecal Coliform (SEAS Evaluation & harvesting classification is not fully approved by the Shellfish Environmental 3 3 16-0721 Lower Peace River Charlotte 2060A2 Estuary 2 High Impaired Peace - Myakka Portion) Classification) Assessment Section Assessment Section (SEAS) of the Department of Agriculture and Consumer (SEAS) thresholds Services. This parameter is being added to the Verified List. PP = No Data; VP = Verified impaired. Annual average Chl-a values Sarasota Bay - 1 3 05-1268 Lower Peace River Charlotte 2061 Direct Runoff to Stream Estuary 3M Nutrients (Chlorophyll-a) Median TN = 1.34 mg/L Medium 2009 exceeded 11 µg/l in 2003 (19.46 µg/l). Nitrogen is the limiting nutrient based Peace - Myakka on a TN/TP ratio median of 1.34 mg/l (24 values). Impairment for iron is due in part to naturally occurring groundwater inputs, Sarasota Bay - however this WBID is included in a groundwater analysis report and the 2 3 10-0144 Lower Peace River Charlotte 2061 Direct Runoff to Stream Estuary 3M Iron ≤ 0.3 mg/L Medium 7/8 Peace - Myakka Department retained iron on the verified list because the Department could not eliminate possible anthropogenic sources. Charlotte Harbor 1 2 03-2395 Charlotte Harbor Charlotte 2065A Charlotte Harbor Upper Estuary 2 Iron > 0.3 mg/L Medium 2008 PP - 5/11; VP - 21/36 Proper Annual average Chl a (µg/L) values exceeded 11 µg/L in 2003 (13.12) and Charlotte Harbor Charlotte Harbor (Upper 2003 (13.12 µg/L) 2006 2006 (14.93). TN median = 0.729 mg/L (354 observations) and TP median = 2 2 09-1740 Charlotte Harbor Charlotte 2065A Estuary 2 Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium Proper Segment) (14.93 µg/L) 0.185 mg/L (302 observations). Waterbody is nitrogen limited based on the median TN/TP ratio of 4.03 (276 values). No BOD observations. Exceeds Shellfish This waterbody is listed as impaired for this parameter because the shellfish Charlotte Harbor Charlotte Harbor (Upper Fecal Coliform (SEAS Evaluation & harvesting classification is not fully approved by the Shellfish Environmental 3 2 15-0708 Charlotte Harbor Charlotte 2065A Estuary 2 High Impaired Proper Segment) Classification) Assessment Section Assessment Section (SEAS) of the Department of Agriculture and Consumer (SEAS) thresholds Services. This parameter is being added to the 303(d) List. ENRD4 (AAM) 2012 (0.63 mg/L) 2013 (0.78 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Charlotte Harbor Charlotte Harbor (Upper ENRD4: AAM ≤ 0.67 2014 (0.67 mg/L) means exceeded the criteria more than once in a three year period. This 4 2 20-0262 Charlotte Harbor Charlotte 2065A Estuary 2 Nutrients (Total Nitrogen) Medium Proper Segment) mg/L 2015 (0.80 mg/L) parameter is being added to the Verified List and the department is requesting 2016 (0.93 mg/L) EPA add it to the 303(d) List. 2017 (0.90 mg/L) 2018 (0.58 mg/L) ENRD4 (AAM) 2012 (0.16 mg/L) This waterbody is impaired for this parameter because the annual arithmetic 2013 (0.21 mg/L) Charlotte Harbor Charlotte Harbor (Upper ENRD4: AAM ≤ 0.19 means exceeded the criteria more than once in a three year period. This 4 2 20-0263 Charlotte Harbor Charlotte 2065A Estuary 2 Nutrients (Total Phosphorus) Medium 2014 (0.17 mg/L) Proper Segment) mg/L parameter is being added to the Verified List and the department is requesting 2015 (0.19 mg/L) EPA add it to the 303(d) List. 2016 (0.20 mg/L) 2017 (0.26 mg/L) ENRD4: AAM 2007 (3.7 µg/L) This waterbody is impaired for this parameter because the annual arithmetic Charlotte Harbor Charlotte Harbor (Middle ENRD4: AAM ≤ 6.1 3 2 15-0709 Charlotte Harbor Charlotte 2065B Estuary 2 Nutrients (Chlorophyll-a) Medium 2008 (7.1 µg/L) means exceeded the criterion more than once in a three year period. This Proper Segment1) µg/L 2009 (9.0 µg/L) parameter is being added to the 303(d) List. 2010 (4.1 µg/L) ENRD4 (AAM) 2012 (0.54 mg/L) This waterbody is impaired for this parameter because the annual arithmetic 2013 (0.69 mg/L) Charlotte Harbor Charlotte Harbor (Middle ENRD4: AAM ≤ 0.67 means exceeded the criteria more than once in a three year period. This 4 2 20-0264 Charlotte Harbor Charlotte 2065B Estuary 2 Nutrients (Total Nitrogen) Medium 2014 (0.62 mg/L) Proper Segment1) mg/L parameter is being added to the Verified List and the department is requesting 2015 (0.72 mg/L) EPA add it to the 303(d) List. 2016 (0.83 mg/L) 2017 (0.86 mg/L) Exceeds Shellfish Charlotte Harbor Evaluation & Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2398 Charlotte Harbor Charlotte 2065C Charlotte Harbor Mid Estuary 2 Bacteria (in Shellfish) Medium 2008 Proper Assessment Section from approved to conditional). (SEAS) thresholds Exceeds Shellfish This waterbody is listed as impaired for this parameter because the shellfish Charlotte Harbor Charlotte Harbor (Lower Fecal Coliform (SEAS Evaluation & harvesting classification is not fully approved by the Shellfish Environmental 3 2 15-0711 Charlotte Harbor Lee 2065D Estuary 2 High Impaired Proper Segment1) Classification) Assessment Section Assessment Section (SEAS) of the Department of Agriculture and Consumer (SEAS) thresholds Services. This parameter is being added to the 303(d) List. Exceeds Shellfish Evaluation & Listed based on change in shellfish harvesting classification (downgraded 1 2 03-2399 Charlotte Harbor Pine Island Lee 2065E Pine Island Sound Estuary 2 Bacteria (in Shellfish) Medium 2008 Assessment Section from approved to conditional). (SEAS) thresholds ENRD5 (AAM) 2012 (0.46 mg/L) 2013 (0.43 mg/L) This waterbody is impaired for this parameter because the annual arithmetic 2014 (0.40 mg/L) Pine Island Sound (Upper ENRD5: AAM ≤ 0.57 means exceeded the criteria more than once in a three year period. This 4 2 20-0265 Charlotte Harbor Pine Island Lee 2065E Estuary 2 Nutrients (Total Nitrogen) Medium 2015 (0.64 mg/L) Segment) mg/L parameter is being added to the Verified List and the department is requesting 2016 (0.66 mg/L) EPA add it to the 303(d) List. 2017 (0.66 mg/L) 2018 (0.74 mg/L) 2019 (0.68 mg/L) Exceeds Shellfish Evaluation & Listed based on change in shellfish harvesting classification (downgraded 1 2 04-2839 Charlotte Harbor Pine Island Lee 2065F Matalacha Pass Estuary 2 Bacteria (in Shellfish) Medium 2008 Assessment Section from conditional to prohibited). (SEAS) thresholds Statewide Comprehensive Verified List

This waterbody is impaired for this parameter because the long term average ENRD6: AVG2 ≤ 3.7 ENRD6 (LTA) 4 2 20-0268 Charlotte Harbor Pine Island Lee 2065H1 San Carlos Bay Estuary 2 Nutrients (Chlorophyll-a) Medium exceeded the criteria. This parameter is being added to the Verified List and µg/L (3.9 µg/L) the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter because the long term average ENRD6: AVG2 ≤ 0.44 ENRD6 (LTA) 4 2 20-0269 Charlotte Harbor Pine Island Lee 2065H1 San Carlos Bay Estuary 2 Nutrients (Total Nitrogen) Medium exceeded the criteria. This parameter is being added to the Verified List and mg/L (0.62 mg/L) the department is requesting EPA add it to the 303(d) List. Charlotte Harbor This waterbody is impaired for this parameter based on the number of 3 2 15-0715 Charlotte Harbor Charlotte 2074 Alligator Creek Stream 1 Fecal Coliform ≤ 400 Counts / 100 mL Low 7/23 Proper exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coral Creek (West Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 4 2 20-0270 Charlotte Harbor Lemon Bay Charlotte 2078A Estuary 2 Nutrients ≥ 42 % Medium 78/123 Branch) Saturation) causative pollutant. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Coral Creek (West exceedances for the sample size and anthropogenic sources have been 4 2 20-0271 Charlotte Harbor Lemon Bay Charlotte 2078A Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 80/125 Branch) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Coral Creek (West sampling location (21FLCHARGSV001 and 21FLCHARGSV005) that has a 4 2 20-0272 Charlotte Harbor Lemon Bay Charlotte 2078A Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired Branch) median fecal coliform MPN value that exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. The shellfish harvesting classification of Prohibited, assigned to this WBID by the Shellfish Harvest Area Classification Program of the Florida Department of Exceeds Shellfish Agriculture and Consumer Services, is based on an administrative decision as Coral Creek (West Fecal Coliform (SEAS Environmental 4 2 20-0273 Charlotte Harbor Lemon Bay Charlotte 2078A Estuary 2 High NA a precautionary measure, and not water quality data. However, Fecal Coliform Branch) Classification) Assessment Section water quality data also indicate a bacteria problem in the current assessment (SEAS) thresholds period. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. AGM 2012 (10 µg/L) 2013 (9 µg/L) This waterbody is impaired for this parameter because the annual geometric 2014 (6 µg/L) Coral Creek (West means exceeded the nutrient threshold of 11 µg/L more than once in a three 4 2 20-0274 Charlotte Harbor Lemon Bay Charlotte 2078A Estuary 2 Nutrients (Chlorophyll-a) AGM ≤ 11 µg/L Medium 2015 (7 µg/L) Branch) year period. This parameter is being added to the Verified List and the 2016 (15 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (14 µg/L) 2018 (6 µg/L) 2019 (4 µg/L) Exceeds Shellfish Evaluation & Listed based on change in shellfish harvesting classification (downgraded 1 2 03-3402 Charlotte Harbor Pine Island Lee 2092E Pine Island Estuary 2 Bacteria (in Shellfish) Medium 2008 Assessment Section from conditional to prohibited). (SEAS) thresholds Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 ENRD5 (AAM) 2012 (0.55 mg/L) 2013 (0.65 mg/L) This waterbody is impaired for this parameter because the annual arithmetic 2014 (0.49 mg/L) ENRD5: AAM ≤ 0.57 means exceeded the criteria more than once in a three year period. This 4 2 20-0275 Charlotte Harbor Pine Island Lee 2092G Sanibel Bayous Estuary 2 Nutrients (Total Nitrogen) Medium 2015 (0.64 mg/L) mg/L parameter is being added to the Verified List and the department is requesting 2016 (0.76 mg/L) EPA add it to the 303(d) List. 2017 (0.78 mg/L) 2018 (0.77 mg/L) 2019 (0.70 mg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the The Dunes Community Dissolved Oxygen (Percent causative pollutant. Samples used in this assessment were evaluated against 4 2 20-0276 Charlotte Harbor Pine Island Lee 2092H Lake 3F Nutrients ≥ 38 % Medium 8/19 Stormwater Lakes Saturation) a time of day adjustment as described in 62-303.420(9), F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter because the annual geometric AGM The Dunes Community means exceeded the nutrient threshold of 20 µg/L more than once in a three 4 2 20-0277 Charlotte Harbor Pine Island Lee 2092H Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2015 (44 µg/L) Stormwater Lakes year period. This parameter is being added to the Verified List and the 2017 (50 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2015 (2.60 mg/L) exceeded the nutrient threshold more than once in a three year period, and The Dunes Community 4 2 20-0278 Charlotte Harbor Pine Island Lee 2092H Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2016 (2.20 mg/L) there is biological evidence indicating non-attainment of the designated use. Stormwater Lakes AGM or if Chl-a AGM > 2017 (2.53 mg/L) This parameter is being added to the Verified List and the department is 20 µg/L, TN AGM ≤ 2018 (2.75 mg/L) requesting EPA add it to the 303(d) List. 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2015 (0.14 mg/L) exceeded the nutrient threshold more than once in a three year period, and The Dunes Community 4 2 20-0279 Charlotte Harbor Pine Island Lee 2092H Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2016 (0.12 mg/L) there is biological evidence indicating non-attainment of the designated use. Stormwater Lakes AGM or if Chl-a AGM > 2017 (0.13 mg/L) This parameter is being added to the Verified List and the department is 20 µg/L, TP AGM ≤ 2018 (0.06 mg/L) requesting EPA add it to the 303(d) List. 0.05 mg/L This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Middle St. Marys Pb ≤ e(1.273[lnH]- 3 4 17-0413 Nassau - St. Marys Nassau 2097E St Marys River Stream 3F Lead Low 7/18 identify a waterbody as impaired if there are at least five exceedances, per River Unit 4.705) µg/L Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Middle St. Marys Pb ≤ e(1.273[lnH]- 3 4 17-0414 Nassau - St. Marys Nassau 2097G St Marys River Stream 3F Lead Low 12/12 identify a waterbody as impaired if there are at least five exceedances, per River Unit 4.705) µg/L Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Lower St. Marys 3 4 17-0415 Nassau - St. Marys Nassau 2097N St Marys River Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 18/86 exceedances for the sample size This parameter is being added to the River Unit Verified List. This WBID is verified for impairment even though there are fewer than 20 samples because there are five or more temporally independent samples that 2 4 10-3119 Nassau - St. Marys Nassau River Nassau 2120B Mills Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/17 do not meet the applicable water quality criterion (Rule 62-303.420(7)(a), FAC). This waterbody is impaired for this parameter based on the number of 3 4 17-0416 Nassau - St. Marys Nassau River Duval, Nassau 2148B Nassau River Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 23/86 exceedances for the sample size This parameter is being added to the Verified List. VP - 15/22 Exceedances, VP Median = 4.25 mg/L, VP Average = 4.31 mg/L, Nutrients (added from VP MIN = 1.1 mg/L, VP MAX = 10. DATA FROM 2003, 2004. LINKED TO 1 4 06-0563 Nassau - St. Marys Nassau River Nassau 2156 Unnamed Branch Stream 3F Dissolved Oxygen < 5.0 mg/L Medium 2011 comments) NUTRIENTS - VP TN = 2.016 mg/L, VP TP = 1.2 mg/L. BOTH TN AND TP EXCEED THRESHOLDS. NO BOD DATA. > 400 colonies per 100 1 2 03-2409 Lower St. Johns North Mainstem Unit Duval 2181 Dunn Creek Stream 3F Fecal Coliform Medium 2008 PP - 26/58 Potentially impaired; VP - 14/39 Verified ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Dunn Creek (Marine 4 2 20-0280 Lower St. Johns North Mainstem Duval 2181A Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 10/30 confirmed using genetic marker and chemical tracer data, and land use. This Segment) parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of 3 2 15-0717 Lower St. Johns North Mainstem Unit Duval 2187 Beeghly Heights Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 12/24 exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Rushing Branch exceedances for the sample size and is being added to the 303(d) List. The 3 2 15-0718 Lower St. Johns North Mainstem Unit Duval 2189A Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 37/45 (Freshwater Segment) freshwater area previously assessed in WBID 2189 is now assessed as part of WBID 2189A. This waterbody is impaired for this parameter based on the number of Broward River (Upstream exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0719 Lower St. Johns North Mainstem Unit Duval 2191B Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 19/47 Marine Segment) WBID was created from retired WBID 2191 which was on the 303(d) List for this parameter. This WBID is verified for impairment even though there are fewer than 20 Middle St. Marys samples because there are five or more temporally independent samples that 2 4 10-3118 Nassau - St. Marys Nassau 2196 Deep Creek Blackwater 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/19 River do not meet the applicable water quality criterion (Rule 62-303.420(7)(a), FAC). This waterbody is impaired for this parameter because the long term annual ENRBB1: LTAAM ≤ 5.4 ENRBB1: LTAAM 16.92 3 2 15-0720 Lower St. Johns Trout River Duval 2203A Trout River (Lower Reach) Estuary 3M Nutrients Nutrients (Chlorophyll-a) Medium arithmetic mean exceeded the criterion. This parameter is being added to the µg/L µg/L 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0281 Lower St. Johns North Mainstem Duval 2204 Terrapin Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 17/27 confirmed using genetic marker and chemical tracer data, and land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Intracoastal ICWW (Duval County; St This waterbody is impaired for this parameter based on the number of 3 2 15-0721 Lower St. Johns Duval, St. Johns 2205C Estuary 3M Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 17/48 Waterway Johns County) exceedances for the sample size and is being added to the 303(d) List. Intracoastal ICWW (Duval County; St This waterbody is impaired for this parameter based on the number of 3 2 15-0722 Lower St. Johns Duval, St. Johns 2205C Estuary 3M Iron ≤ 0.3 mg/L Medium 9/22 Waterway Johns County) exceedances for the sample size and is being added to the 303(d) List. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of St Johns River above 4 2 20-0284 Lower St. Johns North Mainstem Duval 2213A Estuary 3M Thallium < 6.3 μg/L Medium 6/24 exceedances for the sample size. This parameter is being added to the Mouth Verified List and the department is requesting EPA add it to the 303(d) List.

1 2 03-2426 Lower St. Johns North Mainstem Unit Duval 2213C Stj Riv Ab Dames Pt Estuary 3M Iron > 0.3 mg/l Medium 2008 PP - 16/32 Potentially impaired; VP - 29/69 Verified This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to St Johns River above 4 2 20-0285 Lower St. Johns North Mainstem Duval 2213C Estuary 3M Thallium < 6.3 μg/L Medium 5/9 identify a waterbody as impaired if there are at least five exceedances, per 62- Dames Point 303.420(7)(a) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. 1 2 03-2429 Lower St. Johns North Mainstem Unit Duval 2213D Stj Riv Ab Trout Riv Estuary 3M Iron > 0.3 mg/l Medium 2008 PP - 29/53 Potentially impaired; VP - 64/98 Verified This waterbody is impaired for this parameter based on the number of 3 2 15-0723 Lower St. Johns North Mainstem Unit Duval 2213EA Willow Branch Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 27/30 exceedances for the sample size and is being added to the 303(d) List. St Johns River above This waterbody is impaired for this parameter based on the number of 3 2 15-0724 Lower St. Johns North Mainstem Unit Duval 2213F Estuary 3M Iron ≤ 0.3 mg/L Medium 7/38 Piney Point exceedances for the sample size and is being added to the 303(d) List. Deep Creek Unit Unnamed Drain to St. Excluded from period of record assessment, as it is Impaired according to 2 2 09-2617 Lower St. Johns St. Johns 2213R Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/8 LSJR Johns River more recent data. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data, and land use. 4 2 20-0286 Lower St. Johns Trout River Duval 2223 Trout River (Upper Reach) Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/17 Fewer than twenty samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Pb ≤ e(1.273[lnH]- 4 2 20-0287 Lower St. Johns Trout River Duval 2223 Trout River (Upper Reach) Stream 3F Lead Medium 8/17 identify a waterbody as impaired if there are at least five exceedances, per 62- 4.705) µg/L 303.420(7)(a) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Ribault River (Marine 3 2 15-0727 Lower St. Johns Trout River Duval 2224A Estuary 3M Iron ≤ 0.3 mg/L Medium 9/9 identify a waterbody as impaired if there are at least five exceedances, per Segment) Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Ribault River (Tidal 3 2 15-0728 Lower St. Johns Trout River Duval 2224B Estuary 3M Iron ≤ 0.3 mg/L Medium 6/6 identify a waterbody as impaired if there are at least five exceedances, per Segment) Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Moncrief Creek (Marine 3 2 15-0730 Lower St. Johns Trout River Duval 2228A Estuary 3M Copper ≤ 3.7 µg/L Medium 6/7 identify a waterbody as impaired if there are at least five exceedances, per Portion) Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Moncrief Creek (Marine exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0731 Lower St. Johns Trout River Duval 2228A Estuary 3M Iron ≤ 0.3 mg/L Medium 23/29 Portion) WBID was created from the retired WBID 2228 that was also in category 5 (Impaired) for this parameter. This waterbody is impaired for this parameter. The long term annual arithmetic Moncrief Creek (Marine ENRBB1: LTAAM ≤ 5.4 ENRBB1: LTAAM = mean exceeded the nutrient criteria. This parameter is being added to the 3 2 15-0732 Lower St. Johns Trout River Duval 2228A Estuary 3M Nutrients (Chlorophyll-a) Medium Portion) µg/L 11.0 µg/L 303(d) List. This WBID was created from the retired WBID 2228 that was also in category 5 (Impaired) for this parameter. This waterbody is impaired for this parameter based on the number of Moncrief Creek 4 2 20-0288 Lower St. Johns Trout River Duval 2228B Stream 3F Iron ≤ 1.0 mg/L Medium 10/21 exceedances for the sample size. This parameter is being added to the (Freshwater Portion) Verified List and the department is requesting EPA add it to the 303(d) List. > 400 colonies per 100 1 2 03-2451 Lower St. Johns Trout River Duval 2232 Sixmile Creek Reach Stream 3F Fecal Coliform Medium 2008 PP - 38/66 Potentially impaired; VP -18/42 Verified ml > 400 colonies per 100 1 2 03-2453 Lower St. Johns North Mainstem Unit Duval 2233 Long Branch Stream 3F Fecal Coliform Low 2008 PP - 23/29 Potentially impaired; VP - 30/42 Verified ml This waterbody is impaired for this parameter based on the number of 3 2 15-0733 Lower St. Johns North Mainstem Unit Duval 2233 Long Branch Stream 3F Iron ≤ 1.0 mg/L Medium 10/16 exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Mount Pleasant Creek exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0734 Lower St. Johns North Mainstem Unit Duval 2234B Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 19/19 (Freshwater Segment) WBID was created from retired WBID 2234 which was on the 303(d) List for this parameter. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0289 Lower St. Johns North Mainstem Duval 2235 Newcastle Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 48/72 confirmed using genetic marker and chemical tracer data, and land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. > 400 colonies per 100 1 2 03-2455 Lower St. Johns Trout River Duval 2238 Little Sixmile Creek Stream 3F Fecal Coliform Medium 2008 PP - 24/34 Potentially impaired; VP - 17/25 Verified ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0290 Lower St. Johns North Mainstem Duval 2239 Strawberry Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 23/28 confirmed using genetic marker and chemical tracer data, and land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0291 Lower St. Johns North Mainstem Duval 2244 Cowhead Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/9 waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Upper St. Marys Baker, Duval, Pb ≤ e(1.273[lnH]- 3 4 17-0417 Nassau - St. Marys 2245 Deep Creek Stream 3F Lead Low 10/17 identify a waterbody as impaired if there are at least five exceedances, per River Unit Nassau 4.705) µg/L Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data, and land use. 4 2 20-0292 Lower St. Johns North Mainstem Duval 2246 Jones Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/11 Fewer than twenty samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. > 400 colonies per 100 1 2 03-2461 Lower St. Johns North Mainstem Unit Duval 2248 Gin House Creek Stream 3F Fecal Coliform Medium 2008 PP - 12/32 Not impaired; VP - 14/26 Verified ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0293 Lower St. Johns Ortega River Clay,Duval 2249A Ortega River Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 8/33 identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0294 Lower St. Johns Ortega River Duval 2249B McGirts Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 12/28 identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Pb ≤ e(1.273[lnH]- 4 2 20-0295 Lower St. Johns Ortega River Duval 2249B McGirts Creek Stream 3F Lead Medium 12/17 exceedances for the sample size. This parameter is being added to the 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. > 400 colonies per 100 1 2 03-2466 Lower St. Johns North Mainstem Unit Duval 2254 Red Bay Branch Stream 3F Fecal Coliform Medium 2008 PP - 30/32 Potentially impaired; VP - 25/30 Verified ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0296 Lower St. Johns North Mainstem Duval 2254 Red Bay Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 10/10 waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Pb ≤ e^(1.273[lnH]- Excluded from period of record assessment, as it is Impaired according to 2 2 09-2660 Lower St. Johns North Mainstem Unit Duval 2256 Deer Creek Stream 3F Lead Medium 6/21 4.705) more recent data. This waterbody is impaired for this parameter based on the number of 3 2 15-0735 Lower St. Johns North Mainstem Unit Duval 2256 Deer Creek Stream 3F Iron ≤ 1.0 mg/L Medium 12/13 exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0297 Lower St. Johns Ortega River Duval 2262B Cedar River Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 13/29 confirmed using genetic marker and chemical tracer data, and land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Pottsburg Creek (Marine exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0737 Lower St. Johns North Mainstem Unit Duval 2265D Estuary 3M Iron ≤ 0.3 mg/L Medium 12/20 Segment) WBID was created from the retired WBID 2265B that was in category 3c (Planning List) for this parameter. AGM This waterbody is impaired for this parameter because the long term average Pottsburg Creek (Marine ENRBB1: LTAAM ≤ 5.4 Insufficient Data 4 2 20-0298 Lower St. Johns North Mainstem Duval 2265D Estuary 3M Nutrients (Chlorophyll-a) Medium exceeded the criteria. This parameter is being added to the Verified List and Segment) µg/L ENRBB1 (LTAAM) the department is requesting EPA add it to the 303(d) List. (11.2 µg/L) Intracoastal > 400 colonies per 100 1 2 03-2478 Lower St. Johns Duval 2270 Hogpen Creek Stream 3F Fecal Coliform Medium 2008 PP - 27/60 Potentially impaired; VP - 16/42 Verified Waterway ml This waterbody is impaired for this parameter based on the number of Intracoastal Hogpen Creek (Marine exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0738 Lower St. Johns Duval 2270A Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 18/30 Waterway Segment) WBID was created from 3F Stream WBID 2270 that is also in category 5 (Impaired) for this parameter. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0299 Lower St. Johns North Mainstem Duval 2278 Silversmith Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 10/10 waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the causative pollutant. Dissolved oxygen measurements taken within tidal areas are assessed using associated specific conductivity data (4,580 µmhos/cm, or Big Fishweir Creek Dissolved Oxygen (Percent 1,500 mg/L chloride, or 2.7 PSU salinity) for the determination of applicable 4 2 20-0300 Lower St. Johns Ortega River Duval 2280B Estuary 3M Nutrients ≥ 42 % Medium 21/81 (Marine Segment) Saturation) freshwater or marine criteria as described in 62-303.320(11), F.A.C. Samples used in this assessment when the freshwater criteria apply were evaluated against a time of day adjustment as described in 62-303.420(9), F.A.C. This parameter is being added to the Verified List and will remain on the 303(d) List. This waterbody is impaired for this parameter because the annual geometric AGM Big Fishweir Creek means exceeded the nutrient threshold more than once in a three year period. 4 2 20-0301 Lower St. Johns Ortega River Duval 2280B Estuary 3M Nutrients (Chlorophyll-a) AGM ≤ 11 µg/L Medium 2017 (30 µg/L) (Marine Segment) This parameter is being added to the Verified List and the department is 2018 (18 µg/L) requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Little Pottsburg Creek exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0740 Lower St. Johns North Mainstem Unit Duval 2284A Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 19/54 (Marine Portion) WBID was created from the retired WBID 2284 that is also in category 5 (Impaired) for this parameter. This waterbody is impaired for this parameter based on the number of Little Pottsburg Creek exceedances for the sample size and is being added to the 303(d) List. This 3 2 15-0741 Lower St. Johns North Mainstem Unit Duval 2284A Estuary 3M Iron ≤ 0.3 mg/L Medium 16/20 (Marine Portion) WBID was created from the retired WBID 2284 that was in category 3c (Planning List) for this parameter. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Pb ≤ e(1.273[lnH]- 4 2 20-0309 Lower St. Johns Black Creek Clay,Duval 2323 Yellow Water Creek Stream 3F Lead Medium 14/18 exceedances for the sample size. This parameter is being added to the 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter based on the number of Goodbys Creek 4 2 20-0310 Lower St. Johns North Mainstem Duval 2326A Stream 3F Iron ≤ 1.0 mg/L Medium 19/19 exceedances for the sample size. This parameter is being added to the (Freshwater Segment) Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0311 Lower St. Johns Ortega River Duval 2338 Unnamed Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/10 waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0312 Lower St. Johns Julington Creek Duval 2351 Julington Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 15/34 identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. ENRS1 (AGM) This waterbody is impaired for this parameter because the annual geometric 2010 (6.3 µg/L) ENRS1 means exceeded the criterion more than once in a three year period. This 3 5 18-0331 Upper East Coast Halifax River Unit Volusia 2363A Halifax River Estuary 3M Nutrients (Chlorophyll-a) Medium 2011 (7.7 µg/L) AGM ≤ 6.2 µg/L parameter is being added to the Verified List and the department is requesting 2012 (5.2 µg/L) EPA add to the 303(d) List. 2013 (1.9 µg/L) ENRS1 (AGM) This waterbody is impaired for this parameter because the annual geometric ENRS1 2010 (0.64 mg/L) means exceeded the criterion more than once in a three year period. This 3 5 18-0332 Upper East Coast Halifax River Unit Volusia 2363A Halifax River Estuary 3M Nutrients (Total Nitrogen) Medium AGM ≤ 0.72 mg/L 2011 (1.00 mg/L) parameter is being added to the Verified List and the department is requesting 2013 (0.98 mg/L) EPA add to the 303(d) List. This parameter does not meet the impairment thresholds for this waterbody based on current data but cannot be delisted because the exceedance rate 2 5 13-1350 Upper East Coast Halifax River Unit Volusia 2363B Halifax River Estuary 3M Copper Copper ≤ 3.7 µg/L Low 3/39 exceeds delisting requirements. This parameter is being added to the 303(d) list. This parameter is impaired for this waterbody because the annual average chlorophyll-a values exceeded the IWR threshold of 11 µg/L in 2010. Based on the median TN/TP ratio of 20.89, total nitrogen and total phosphorus are co- 2008 (7 µg/L) limiting nutrients. The period of record assessment, which uses all available 2 5 12-0109 Upper East Coast Halifax River Unit Volusia 2363C Tomoka Basin Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium 2009 (8 µg/L) data regardless of age, indicated potential impairment. However, data older 2010 (14 µg/L) than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of 3 5 18-0333 Upper East Coast Pellicer Creek Unit Flagler 2363D Palm Coast Estuary 3M Iron ≤ 0.3 mg/L Medium 24/42 exceedances for the sample size. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting ICWW (St Johns County; Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1351 Upper East Coast Pellicer Creek Unit Flagler, St. Johns 2363EB Estuary 2 Low N/A Flagler County) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. This waterbody is impaired for this parameter based on the number of 3 5 18-0334 Upper East Coast Pellicer Creek Unit Flagler 2363EC ICWW (Flagler County) Estuary 3M Iron ≤ 0.3 mg/L Medium 13/13 exceedances for the sample size. This parameter was originally listed as verified impaired on the Cycle 1 Verified List, but was delisted by amendment on February 7, 2012, because Exceeds Shellfish the prohibited classification is due to administrative reasons. However, this Bacteria (Shellfish Evaluation & 2 5 13-1352 Upper East Coast Pellicer Creek Unit St. Johns 2363F ICWW (St Johns County) Estuary 2 Low N/A waterbody also contains some shellfish harvesting areas that are not fully Harvesting Classification) Assessment Section approved not due to administrative reasons by the Shellfish Environmental (SEAS) thresholds Assessment Section (SEAS) of the Department of Agriculture; therefore this parameter is being added to the 303(d) list. ENRT1 (AGM) 2010 (0.66 mg/L) This waterbody is impaired for this parameter because the annual geometric ENRT1 2011 (0.59 mg/L) means exceeded the criterion more than once in a three year period. This 3 5 18-0335 Upper East Coast Tolomato River Unit St. Johns 2363I1 Tolomato River Estuary 3M Nutrients (Total Nitrogen) Medium AGM ≤ 0.65 mg/L 2014 (0.62 mg/L) parameter is being added to the Verified List and the department is requesting 2015 (0.84 mg/L) EPA add to the 303(d) List. 2017 (0.76 mg/L) Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Tolomato River (Shellfish Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1353 Upper East Coast Tolomato River Unit St. Johns 2363I2 Estuary 2 Low N/A Portion) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. ENRY10 (AAM) This waterbody is impaired for this parameter because the annual arithmetic 2010 (12.8 µg/L) means exceeded the criterion more than once in a three year period. This 2011 (12.3 µg/L) waterbody was placed in category 5 in a previous cycle but was not added to 2012 (12.7 µg/L) the Verified List because the more stringent element of the nutrient ENRY10 3 5 18-0336 Upper East Coast Halifax River Unit Flagler, Volusia 2363J Palm Coast Estuary 3M Nutrients (Chlorophyll-a) Medium 2013 (9.3 µg/L) assessment, Nutrients (Historic Chlorophyll-a), was impaired and that AAM ≤ 4.5 µg/L 2014 (9.5 µg/L) parameter was added. Nutrients (Historic Chlorophyll-a) is currently being 2015 (8.7 µg/L) delisted because it is no longer assessed to determine impairment. This 2016 (7.5 µg/L) parameter is being added to the Verified List and the department is requesting 2017 (7.2 µg/L) EPA add to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been 4 2 20-0313 Lower St. Johns Julington Creek Duval 2370 Oldfield Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 22/29 confirmed using genetic marker chemical tracer data, and land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. South Mainstem > 400 colonies per 100 1 2 03-2513 Lower St. Johns Duval 2382 Unnamed Drain Stream 3F Fecal Coliform Medium 2008 PP - 29/30 Potentially impaired; VP - 14/20 Verified Unit ml South Mainstem > 400 colonies per 100 1 2 03-2514 Lower St. Johns Duval 2385 Mandarin Drain Stream 3F Fecal Coliform Medium 2008 PP - 23/29 Potentially impaired; VP - 14/20 Verified Unit ml Pb ≤ e^(1.273[lnH]- Excluded from period of record assessment, as it is Impaired according to 2 2 09-2595 Lower St. Johns Black Creek Clay 2386A Black Creek (North Fork) Stream 3F Lead Medium 12/33 4.705) more recent data. Excluded from period of record assessment, as it is Impaired according to 2 2 09-2596 Lower St. Johns Black Creek Clay 2389A Doctors Lake Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 16/21 more recent data. South Mainstem Excluded from period of record assessment, as it is Impaired according to 2 2 09-2749 Lower St. Johns Clay 2405 Peters Branch Stream 3F Iron ≤ 1.0 mg/L Medium 8/13 Unit more recent data. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Deep Creek (Marine Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 12-0120 Upper East Coast Tolomato River Unit St. Johns 2406C Estuary 2 Low n/a Segment) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) List. Deep Creek (Marine This parameter is impaired for this waterbody based on the number of 2 5 12-0121 Upper East Coast Tolomato River Unit St. Johns 2406C Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired Segment) exceedances and is being added to the 303(d) list. Black Creek Above St Nutrients (added from PP - 83/116 Potentially impaired; VP - 38/61 Verified. Linked to elevated TP 1 2 04-0828 Lower St. Johns Black Creek Clay 2415A Stream 3F Dissolved Oxygen < 5.0 mg/l Medium 2008 Johns River comments) (mean = 0.28 mg/L) Excluded from period of record assessment, as it is Impaired according to 2 2 09-2649 Lower St. Johns Julington Creek St. Johns 2419 Sampson Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 13/48 more recent data. 1 2 03-2519 Lower St. Johns Black Creek Clay 2423 Mill Log Creek Stream 3F Lead > e(1.273[LNH]-4.705) Medium 2008 PP - 5/38 Not impaired; VP - 11/60 Verified This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0314 Lower St. Johns Black Creek Clay 2423 Mill Log Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/16 waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. 1 2 03-2522 Lower St. Johns Black Creek Clay 2424 Bradley Creek Stream 3F Lead > e(1.273[LNH]-4.705) Medium 2008 PP - 3/11 Potentially impaired; VP - 8/21 Verified

Exceeds SEAS Area(s) included in the WBID have been downgraded from the 1979 approved 1 5 09-1177 Upper East Coast Tolomato River Unit St. Johns 2435 Capo Creek Estuary 3M Bacteria (in Shellfish) Low thresholds classification to prohibited in 1985 and conditionally restricted since 1995

Exceeds SEAS Area(s) included in the WBID have been downgraded from the 1979 approved 1 5 09-1179 Upper East Coast Tolomato River Unit St. Johns 2442 Marshall Creek Stream 2 Bacteria (in Shellfish) Low thresholds classification to prohibited in 1985 and conditionally restricted since 1995

1 5 09-1180 Upper East Coast Tolomato River Unit St. Johns 2442 Marshall Creek Stream 2 Fecal Coliform > 400 colonies/100 ml Low PP - 13/51 VP - 14/52 Median of 14 colonies per 100 ml also exceeded Excluded from period of record assessment, as it is Impaired according to 2 2 09-2603 Lower St. Johns Black Creek Clay 2446 Bull Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/21 more recent data. Area(s) within the WBID have been downgraded from the 1979 approved Exceeds SEAS 1 5 09-1183 Upper East Coast Tolomato River Unit St. Johns 2457A St. Marks Pond Estuary Estuary 2 Bacteria (in Shellfish) Low classification to prohibited in 1985 and from conditionally approved to thresholds conditionally restricted in 1996. This waterbody is impaired for this parameter based on the number of 3 2 15-0749 Lower St. Johns Sixmile Creek St. Johns 2460 Mill Creek Stream 3F Iron Iron ≤ 1.0 mg/L High 21/52 exceedances for the sample size and is being added to the 303(d) List. South Mainstem Excluded from period of record assessment, as it is Impaired according to 2 2 09-2751 Lower St. Johns Clay 2464 Governor Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/23 Unit more recent data. Area(s) within the WBID have been downgraded from the 1979 approved Exceeds SEAS 1 5 09-1185 Upper East Coast Tolomato River Unit St. Johns 2468 Casa Cola Creek Estuary 2 Bacteria (in Shellfish) Low classification to prohibited in 1985 and from conditionally approved to thresholds conditionally restricted in 1996. Area(s) within the WBID have been downgraded from the 1979 approved Exceeds SEAS 1 5 09-1187 Upper East Coast Tolomato River Unit St. Johns 2470 Sombrero Creek Estuary 2 Bacteria (in Shellfish) Low classification to prohibited in 1985 and from conditionally approved to thresholds conditionally restricted in 1996. 1 5 09-1188 Upper East Coast Tolomato River Unit St. Johns 2470 Sombrero Creek Estuary 2 Fecal Coliform > 400 colonies/100 ml Low PP - 27/143 VP - 16/78 Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 1 5 09-1143 Upper East Coast Matanzas River Unit St. Johns 2472 Red House Branch Stream 3F Fecal Coliform > 400 colonies/100 ml Low PP - 0/0 VP - 5/22 Exceeds SEAS Area(s) within the WBID have been downgraded from the 1979 approved 1 5 09-1190 Upper East Coast Tolomato River Unit St. Johns 2477 Ximanies Creek Estuary 2 Bacteria (in Shellfish) Low thresholds classification to conditionally restricted in 1996. Exceeds SEAS Area(s) within the WBID have been downgraded from the 1979 approved 1 5 09-1192 Upper East Coast Tolomato River Unit St. Johns 2483 Pancho Creek Estuary 2 Bacteria (in Shellfish) Low thresholds classification to conditionally restricted in 1995. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 12-0126 Upper East Coast Tolomato River Unit St. Johns 2487 Robinson Creek Estuary 2 Low n/a Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter will be (SEAS) thresholds added to the 303(d) List. This waterbody is impaired for this parameter based on the number of Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 3 5 18-0337 Upper East Coast Matanzas River Unit St. Johns 2499 Oyster Creek Estuary 3M Nutrients ≥ 42 % Medium 7/31 Saturation) causative pollutant. This parameter is being added to the Verified List and the department is requesting EPA add to the 303(d) List. This waterbody is impaired for this parameter because the annual geometric AGM means exceeded the criterion more than once in a three year period. This 3 5 18-0338 Upper East Coast Matanzas River Unit St. Johns 2499 Oyster Creek Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium 2016 (12 µg/L) parameter is being added to the Verified List and the department is requesting 2017 (23 µg/L) EPA add to the 303(d) List. ENRL6: PCT ≤ 0.61 ENRL6 (PCT) This waterbody is impaired for this parameter based on the number of 3 4 17-0419 Pensacola Blackwater River Santa Rosa 24AB Blackwater River (Tidal) Estuary 3M Nutrients (Total Nitrogen) Medium mg/L 28/85 exceedances for the sample size and is being added to the 303(d) List. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Salt Run (Shellfish Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1356 Upper East Coast Matanzas River Unit St. Johns 2502C Estuary 2 Low N/A Portion) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. Pb ≤ e^(1.273[lnH]- Excluded from period of record assessment, as it is Impaired according to 2 2 09-2629 Lower St. Johns Etonia Creek Clay 2509 Lake Geneva Lake 3F Lead Medium 14/14 4.705) more recent data. Pb ≤ e^(1.273[lnH]- Excluded from period of record assessment, as it is Impaired according to 2 2 09-2631 Lower St. Johns Etonia Creek Clay 2509H Lily Lake Lake 3F Lead Medium 6/7 4.705) more recent data. Excluded from period of record assessment, as it is Impaired according to 2 2 09-2632 Lower St. Johns Etonia Creek Clay, Putnam 2511B Simms Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/19 more recent data. Pb ≤ e^(1.273[lnH]- Excluded from period of record assessment, as it is Impaired according to 2 2 09-2633 Lower St. Johns Etonia Creek Clay, Putnam 2511B Simms Creek Stream 3F Lead Medium 8/14 4.705) more recent data. This waterbody is impaired for this parameter based on the number of Moses Creek (Marine 3 5 18-0339 Upper East Coast Matanzas River Unit St. Johns 2535A Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 10/14 exceedances for the sample size. This parameter is being added to the Segment) Verified List and the department is requesting EPA add to the 303(d) List. Moses Creek (Freshwater This parameter is impaired for this waterbody based on the number of 2 5 12-0134 Upper East Coast Matanzas River Unit St. Johns 2535B Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/28 Segment) exceedances and is being added to the 303(d) list. Pb ≤ e^(1.273[lnH]- Manually evaluated data. Excluded from period of record assessment, as it is 2 2 09-2637 Lower St. Johns Etonia Creek Putnam 2543F Lake Ross Lake 3F Lead Medium 5/5 4.705) Impaired according to more recent data. Chl-a AGM ≤ 20 µg/L, AGM(s) TN AGM ≤ 2.23 mg/L; 2007 (1.19 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter because the annual geometric 2008 (2.34 mg/L) 3 2 15-0751 Lower St. Johns Etonia Creek Putnam 2543F Lake Ross Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium means exceeded the criterion more than once in a three year period. This 2009 (2.66 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2010 (1.83 mg/L) 20 µg/L, TN AGM ≤ 2011 (1.82 mg/L) 1.27 mg/L No criteria in the Florida Water Quality Standards for BOD. Impaired based Deep Creek Unit Biochemical on DO criterion and TP is the causative pollutant. TP exceeded the IWR 2 2 09-2621 Lower St. Johns St. Johns 2549 Deep Creek Stream 3F Dissolved Oxygen Total Phosphorus ≥ 5.0 mg/L Medium 70/98 LSJR Oxygen Demand threshold of 0.22 mg/L. Excluded from period of record assessment, as it is Impaired according to more recent data. Average score of at least two temporally independent SCI scores ≥ 40; or either of SCI (n=2) This waterbody is impaired for this parameter based on failing bioassessments the two most recent WBID Mean (40) and nutrients have been determined to be the causative pollutant. This 4 2 20-0315 Lower St. Johns Deep Creek LSJR St. Johns 2549 Deep Creek Stream 3F Biology Nutrients Medium SCI scores ≥ 35; or if Mean 1 (33), Mean 2 parameter is being added to the Verified List and the department is requesting there are only two SCI (47) EPA add it to the 303(d) List. scores and there is less than or equal to a 20 point difference. AGM 2012 (0.36 mg/L) 2013 (0.47 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2014 (0.40 mg/L) exceeded the nutrient threshold more than once in a three year period, and 4 2 20-0316 Lower St. Johns Deep Creek LSJR St. Johns 2549 Deep Creek Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2015 (0.40 mg/L) there is biological evidence indicating non-attainment of the designated use. 2016 (0.32 mg/L) This parameter is being added to the Verified List and will remain on the 2017 (0.29 mg/L) 303(d) List. 2018 (0.30 mg/L) 2019 (0.22 mg/L) Shall not be increased This waterbody is impaired for this parameter based on the number of more than 50% above exceedances for the sample size. After further investigation, FDEP cannot 4 2 20-0317 Lower St. Johns Deep Creek LSJR St. Johns 2549 Deep Creek Stream 3F Specific Conductance background or to 1275 Medium 52/95 rule out the possibility of anthropogenic sources. This parameter is being μmhos/cm, whichever added to the Verified List and the department is requesting EPA add it to the is greater. 303(d) List. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Unnamed Drain (Marine Bacteria (Shellfish Evaluation & 2 5 12-0135 Upper East Coast Pellicer Creek Unit St. Johns 2550A Estuary 2 Low n/a classification is not fully approved by the Shellfish Environmental Assessment Segment) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. (SEAS) thresholds No criteria in the Florida Water Quality Standards for BOD. impaired based Deep Creek Unit Biochemical Total Nitrogen, Total 2 2 09-2623 Lower St. Johns Putnam, St. Johns 2555 Cracker Branch Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 21/32 on DO criterion and TN and TP are the causative pollutants. Excluded from LSJR Oxygen Demand Phosphorus period of record assessment, as it is Impaired according to more recent data. Impaired based on DO criterion and TN and TP are the causative pollutants. Deep Creek Unit Total Nitrogen, Total TN exceeded the IWR threshold of 1.6 mg/L and TP exceeded the IWR 2 2 09-2624 Lower St. Johns Putnam, St. Johns 2555 Cracker Branch Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L Medium 21/32 LSJR Phosphorus threshold of 0.22 mg/L. Excluded from period of record assessment, as it is Impaired according to more recent data. Deep Creek Unit Excluded from period of record assessment, as it is Impaired according to 2 2 09-2625 Lower St. Johns Putnam, St. Johns 2555 Cracker Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/24 LSJR more recent data. Deep Creek Unit Excluded from period of record assessment, as it is Impaired according to 2 2 09-2627 Lower St. Johns St. Johns 2561 Unnamed Ditches Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/11 LSJR more recent data. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Deep Creek Unit This waterbody is impaired for this parameter based on the number of 3 2 15-0752 Lower St. Johns St. Johns 2561 Unnamed Ditches Stream 3F Iron ≤ 1.0 mg/L Medium 12/27 LSJR exceedances for the sample size and is being added to the 303(d) List. Shall not be increased This waterbody is impaired for this parameter based on the number of more than 50% above exceedances for the sample size. After further investigation, FDEP cannot 4 2 20-0318 Lower St. Johns Deep Creek LSJR St. Johns 2561 Unnamed Ditches Stream 3F Specific Conductance background or to 1275 Medium 7/15 rule out the possibility of anthropogenic sources. This parameter is being μmhos/cm, whichever added to the Verified List and the department is requesting EPA add it to the is greater. 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to South Mainstem 3 2 15-0754 Lower St. Johns Putnam, St. Johns 2569 West Run Interceptor D Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/9 identify a waterbody as impaired if there are at least five exceedances, per Unit Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. 06/24/2014: Avg CofC - This waterbody is impaired for this parameter based on failing linear LVS C of C ≥ 2.5 and 1.6, FLEPPC - 46% vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0319 Lower St. Johns South Mainstem Putnam,St. Johns 2569 West Run Interceptor D Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 10/09/2014: Avg CofC - coverage of > 25%. This parameter is being added to the Verified List and the .5, FLEPPC - 81% department is requesting EPA add it to the 303(d) List. AGM 2012 (0.19 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (0.32 mg/L) exceeded the nutrient threshold more than once in a three year period, and 2014 (0.37 mg/L) 4 2 20-0320 Lower St. Johns South Mainstem Putnam,St. Johns 2569 West Run Interceptor D Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium there is biological evidence indicating non-attainment of the designated use. 2015 (0.32 mg/L) This parameter is being added to the Verified List and will remain on the 2016 (0.24 mg/L) 303(d) List. 2017 (0.35 mg/L) 2018 (0.54 mg/L) Deep Creek Unit Nutrients (added from PP - 10/37 Potentially impaired; VP - 15/56 Verified Linked to elevated TP 1 2 03-2532 Lower St. Johns St. Johns 2571 Unnamed Ditch Stream 3F Dissolved Oxygen < 5.0 mg/l Medium 2008 LSJR comments) levels in both the PP and VP (0.29 and 0.31 mg/l, respectively). Deep Creek Unit This waterbody is impaired for this parameter based on the number of 3 2 15-0755 Lower St. Johns St. Johns 2571 Unnamed Ditch Stream 3F Iron ≤ 1.0 mg/L Medium 18/43 LSJR exceedances for the sample size and is being added to the 303(d) List. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Bacteria (Shellfish Evaluation & 2 5 12-0137 Upper East Coast Pellicer Creek Unit St. Johns 2573 Unnamed Drain Estuary 2 Low n/a classification is not fully approved by the Shellfish Environmental Assessment Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. (SEAS) thresholds This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may 2 5 12-0139 Upper East Coast Pellicer Creek Unit Flagler 2577 Pringle Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/14 be used to identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a). This parameter is being added to the 303(d) list. South Mainstem This waterbody is impaired for this parameter based on the number of 3 2 15-0756 Lower St. Johns Putnam 2578 Dog Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 12/20 Unit exceedances for the sample size and is being added to the 303(d) List. South Mainstem This waterbody is impaired for this parameter based on the number of 3 2 15-0757 Lower St. Johns Putnam 2578 Dog Branch Stream 3F Iron ≤ 1.0 mg/L Medium 41/118 Unit exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of 3 5 18-0340 Upper East Coast Pellicer Creek Unit Flagler, St. Johns 2580A Pellicer Creek Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 21/27 exceedances for the sample size. This parameter is being added to the Verified List and the department is requesting EPA add to the 303(d) List. ENRT4 (AGM) This waterbody is impaired for this parameter because the annual geometric 2014 (6.7 µg/L) ENRT4 means exceeded the criterion more than once in a three year period. This 3 5 18-0341 Upper East Coast Pellicer Creek Unit Flagler, St. Johns 2580A Pellicer Creek Estuary 2 Nutrients (Chlorophyll-a) Medium 2015 (7.9 µg/L) AGM ≤ 4.3 µg/L parameter is being added to the Verified List and the department is requesting 2016 (8.3 µg/L) EPA add to the 303(d) List. 2017 (9.2 µg/L) This waterbody is impaired for this parameter based on the number of Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 3 5 18-0342 Upper East Coast Pellicer Creek Unit Flagler, St. Johns 2580B Pellicer Creek Estuary 2 Nutrients ≥ 42 % Medium 22/66 Saturation) causative pollutant. This parameter is being added to the Verified List and this parameter will remain on the 303(d) List. ENRT4 (AGM) 2011 (5.1 µg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (1.7 µg/L) ENRT4 means exceeded the criterion more than once in a three year period. This 3 5 18-0343 Upper East Coast Pellicer Creek Unit Flagler, St. Johns 2580B Pellicer Creek Estuary 2 Nutrients (Chlorophyll-a) Medium 2013 (0.9 µg/L) AGM ≤ 4.3 µg/L parameter is being added to the Verified List and the department is requesting 2014 (0.7 µg/L) EPA add to the 303(d) List. 2015 (4.7 µg/L) 2017 (5.5 µg/L) This waterbody is impaired for this parameter based on the number of Pb ≤ e(1.273[lnH]- 4 2 20-0321 Lower St. Johns Etonia Creek Putnam 2582 Lake Suggs Lake 3F Lead Medium 9/15 exceedances for the sample size. This parameter is being added to the 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM(s) TN AGM ≤ 2.23 mg/L; 2007 (1.68 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric mean 2008 (2.46 mg/L) 3 2 15-0758 Lower St. Johns Etonia Creek Putnam 2582A Rowan Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the criterion more than once in a three year period. This parameter 2009 (2.48 mg/L) AGM or if Chl-a AGM > is being added to the 303(d) List. 2010 (2.37 mg/L) 20 µg/L, TN AGM ≤ 2011 (2.26 mg/L) 1.27 mg/L This waterbody is impaired for this parameter based on the number of Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 4 2 20-0322 Lower St. Johns Etonia Creek Putnam 2582A Rowan Lake Lake 3F Nutrients ≥ 38 % Medium 8/34 Saturation) causative pollutant. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Pb ≤ e(1.273[lnH]- 4 2 20-0323 Lower St. Johns Etonia Creek Putnam 2582A Rowan Lake Lake 3F Lead Medium 9/11 exceedances for the sample size. This parameter is being added to the 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. PP - 22/38 Potentially impaired; VP - 34/59 Verified. Linked to elevated TP South Mainstem Nutrients (added from 1 2 03-2535 Lower St. Johns Putnam 2583 Cow Branch Stream 3F Dissolved Oxygen < 5.0 mg/l Medium 2008 based on levels above the screening level during both the PP and VP (0.34 Unit comments) and 0.34 mg/l, respectively). South Mainstem > 400 colonies per 100 1 2 03-2539 Lower St. Johns Putnam 2592 Mill Branch Stream 3F Fecal Coliform High 2004 PP - 4/5 Potentially impaired; VP - 16/20 Verified Unit ml This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to South Mainstem 3 2 15-0760 Lower St. Johns Putnam 2599 Twomile Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/19 identify a waterbody as impaired if there are at least five exceedances, per Unit Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 PP - Chl-a potentially impaired; VP - Chl-a verified. Annual average Chl-a exceeded 20 µg/l in 1996, 1997, and 1999 - 2001. Phosphorus limiting based 1 2 03-2542 Lower St. Johns Crescent Lake Putnam 2606A Dunns Creek Stream 3F Nutrients (Chlorophyll-a) TP = 0.072 mg/l Medium 2008 on median TN/TP ratios of 22 (152 values) during the PP and 21.3 (180 values) during the VP. This waterbody is impaired for this parameter based on the number of 3 2 15-0761 Lower St. Johns Crescent Lake Putnam 2606A Dunns Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/20 exceedances for the sample size and is being added to the 303(d) List. RPS ≤ 25%, or when between 20% - 25% This waterbody is impaired for this parameter based on failing rapid periphyton 06/16/2016: 26% 3 5 18-0344 Upper East Coast Pellicer Creek Unit Flagler 2609A St Joe Canal Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium surveys with >25% coverage periphyton. This parameter is being added to the 04/03/2017: 64% Autoecological Data Verified List and the department is requesting EPA add to the 303(d) List. Indicates No Imbalance 06/16/2016: Avg CofC - This waterbody is impaired for this parameter based on failing linear LVS C of C ≥ 2.5 and 1.8, FLEPPC - 44% vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. This 3 5 18-0345 Upper East Coast Pellicer Creek Unit Flagler 2609A St Joe Canal Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 04/03/2017: Avg CofC - parameter is being added to the Verified List and the department is requesting 1.6, FLEPPC - 38% EPA add to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to 3 2 15-0764 Lower St. Johns Crescent Lake Flagler 2610 Unnamed Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/7 identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. This parameter will remain on the Verified 4 2 20-0324 Lower St. Johns Crescent Lake Flagler 2615 Bull Creek Ditches Stream 3F Iron ≤ 1.0 mg/L Medium 55/101 List and the 303(d) List. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; AGM(s) If Chl-a has Insufficient This waterbody is impaired for this parameter because the annual geometric 2007 (1.70 mg/L) 3 2 15-0765 Lower St. Johns Crescent Lake Flagler 2615A Dead Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium means exceeded the criterion more than once in a three year period. This 2008 (1.77 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2009 (1.80 mg/L) 20 µg/L, TN AGM ≤ 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM(s) If Chl-a has Insufficient This waterbody is impaired for this parameter because the annual geometric 2007 (0.22 mg/L) 3 2 15-0766 Lower St. Johns Crescent Lake Flagler 2615A Dead Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium means exceeded the criterion more than once in a three year period. This 2008 (0.16 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2009 (0.15 mg/L) 20 µg/L, TP AGM ≤ 0.05 mg/L No criteria in the Florida Water Quality Standards for BOD. Data exceed the DO criterion, and WBID is also impaired for nutrients based on chlorophyll; therefore, this WBID has been placed in category 5 even though no causative Haw Creek Above Biochemical 2 2 09-2609 Lower St. Johns Crescent Lake Flagler 2622A Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 54/74 pollutant has been determined. The BOD median exceeded the threshold for Crescent Lake Oxygen Demand streams; however, it was based on only 5 samples (10 are required). Excluded from period of record assessment, as it is Impaired according to more recent data. 09/24/2014: Avg CofC - This waterbody is impaired for this parameter based on failing linear Haw Creek above LVS C of C ≥ 2.5 and 2.4, FLEPPC - 44% vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0325 Lower St. Johns Crescent Lake Flagler 2622A Stream 3F Nutrients (Macrophytes) Medium Crescent Lake LVS FLEPPC ≤ 25% 12/27/2017: Avg CofC - coverage of > 25%. This parameter is being added to the Verified List and the 1.6, FLEPPC - 45% department is requesting EPA add it to the 303(d) List. AGM 2012 (1.76 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (1.79 mg/L) exceeded the nutrient threshold more than once in a three year period, and Haw Creek above 2014 (1.76 mg/L) 4 2 20-0326 Lower St. Johns Crescent Lake Flagler 2622A Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium there is biological evidence indicating non-attainment of the designated use. Crescent Lake 2015 (1.61 mg/L) This parameter is being added to the Verified List and will remain on the 2016 (1.67 mg/L) 303(d) List. 2017 (1.11 mg/L) 2019 (1.36 mg/L) AGM 2012 (0.14 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (0.17 mg/L) exceeded the nutrient threshold more than once in a three year period, and Haw Creek above 2014 (0.18 mg/L) 4 2 20-0327 Lower St. Johns Crescent Lake Flagler 2622A Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium there is biological evidence indicating non-attainment of the designated use. Crescent Lake 2015 (0.16 mg/L) This parameter is being added to the Verified List and will remain on the 2016 (0.11 mg/L) 303(d) List. 2017 (0.11 mg/L) 2019 (0.11 mg/L) Impaired based on DO criterion and TN and BOD are the causative pollutants. TN exceeded the IWR threshold of 1.6 mg/L and BOD exceeded the IWR Total Nitrogen, Biochemical 2 2 09-2611 Lower St. Johns Crescent Lake Flagler 2628 Sweetwater Branch Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 28/29 threshold of 2.0 mg/L. 4B Cycle 1 assessment is equivalent to 4C Cycle 2 Oxygen Demand assessment. Excluded from period of record assessment, as it is Impaired according to more recent data. Pb ≤ e^(1.273[lnH]- This is a blackwater stream. Excluded from period of record assessment, as it 2 2 09-2612 Lower St. Johns Crescent Lake Flagler, Volusia 2630A Little Haw Creek Stream 3F Lead Lead Medium 13/21 4.705) is Impaired according to more recent data. Pb ≤ e^(1.273[lnH]- Excluded from period of record assessment, as it is Impaired according to 2 2 09-2613 Lower St. Johns Crescent Lake Flagler 2630B Lake Disston Lake 3F Lead Medium 10/11 4.705) more recent data. This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may 2 5 12-0146 Upper East Coast Halifax River Unit Flagler, Volusia 2635 Groover Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/14 be used to identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a). This parameter is being added to the 303(d) list. Statewide Comprehensive Verified List

PP - 10/13 VP - 12/45 DO met verification threshold of IWR, TN and BOD Nutrients, Biochemical were identified as causative pollutants. PP median TN = 0.996 mg/L (n=8), 1 5 09-1133 Upper East Coast Halifax River Unit Volusia 2678 Turnbull Bay Estuary 3M Dissolved Oxygen Oxygen Demand (added < 4.0 mg/L Medium median TP = 0.1925 mg/L (n=12), no BOD data. VP median TN = 1.295 mg/L from comments) (n=12), median TP = 0.1755 mg/L (n=16), median BOD = 2.5 mg/L (n=25). Median TN = 1.00 mg/L Annual average for 2003 exceeds the 11 µg/L threshold for estuaries. Only 1 5 09-1135 Upper East Coast Halifax River Unit Volusia 2678 Turnbull Bay Estuary 3M Nutrients (Chlorophyll-a) Median TP = 0.192 Medium annual average is from 2003 - 17.17 µg/L. Nitrogen identified as the limiting mg/L nutrient based on all the TN/TP ratios less than 10. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the Dissolved Oxygen (Percent causative pollutant. Dissolved oxygen grab samples used in this analysis were 3 5 18-0351 Upper East Coast Halifax River Unit Volusia 2681 Glencoe Ditches Stream 3F Nutrients ≥ 38 % Medium 7/26 Saturation) assessed against a time of day adjustment as described in 62-303.420(9), F.A.C. This parameter is being added to the Verified List and will remain on the 303(d) List. 06/10/2015: Avg CofC - This waterbody is impaired for this parameter based on failing linear LVS C of C ≥ 2.5 and 1.1, FLEPPC - 47% vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. This 3 5 18-0352 Upper East Coast Halifax River Unit Volusia 2681 Glencoe Ditches Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 09/21/2015: Avg CofC - parameter is being added to the Verified List and the department is requesting 1.3, FLEPPC - 37% EPA add to the 303(d) List. AGM This waterbody is impaired for this parameter because the annual geometric 2010 (0.19 mg/L) means exceeded the nutrient threshold more than once in a three year period. 3 5 18-0353 Upper East Coast Halifax River Unit Volusia 2681 Glencoe Ditches Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2015 (0.15 mg/L) This parameter is being added to the Verified List and the department is 2016 (0.15 mg/L) requesting EPA add to the 303(d) List. 2017 (0.11 mg/L) pp = 16 / 73 Potentially Impaired; vp = 17 / 74, Impaired. Delisted from the 2 1 09-2022 Ocklawaha Orange Creek Alachua 2688 Hatchet Creek Stream 3F Coliforms Fecal Coliform > 400 Counts/100 ml Low Consent Decree List in the 1st cycle, assessment but re-listed in the 2nd assessment cycle. 2 1 09-2024 Ocklawaha Orange Creek Alachua 2695 Little Hatchet Creek Stream 3F Fecal Coliform > 400 Counts/100 ml Low pp = 31 / 72, Potentially Impaired; vp = 38 / 83 Impaired This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty 4 1 19-0576 Ocklawaha Orange Creek Alachua 2696 Possum Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 15/16 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=2) This waterbody is impaired for this parameter based on failing bioassessments two most recent LVI WBID Mean (34) and nutrients have been determined to be the causative pollutant. This 4 1 19-0577 Ocklawaha Orange Creek Alachua 2700 Hammocks Lake Lake 3F Biology Nutrients Medium scores ≥ 43; or if there Mean 1 (31), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (36) EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM This waterbody is impaired for this parameter. The annual geometric means 2015 (49 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0578 Ocklawaha Orange Creek Alachua 2700 Hammocks Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2016 (68 µg/L) year period. This parameter is being added to the Verified List and the 2017 (84 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2015 (1.12 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0579 Ocklawaha Orange Creek Alachua 2700 Hammocks Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2016 (1.80 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (2.43 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2015 (0.16 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0580 Ocklawaha Orange Creek Alachua 2700 Hammocks Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2016 (0.19 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.31 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.05 mg/L Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=2) and nutrients have been determined to be the causative pollutant. A stressor the two most recent WBID Mean (15) identification evaluation identified elevated nutrients are causing SCI failures. 4 1 19-0581 Ocklawaha Orange Creek Alachua 2705A Prairie Creek Stream 3F Biology Nutrients Medium SCI scores ≥ 35; or if Mean 1 (11), Mean 2 This parameter is being added to the Verified List and the department is there are only two SCI (19) requesting EPA add it to the 303(d) List. Alachua County biological data were scores and there is less included in the assessment. than or equal to a 20 point difference. AGM 2011 (55 µg/L) This waterbody is impaired for this parameter because the annual geometric 2014 (42 µg/L) means exceeded the nutrient threshold more than once in a three year period. 4 1 19-0582 Ocklawaha Orange Creek Alachua 2705A Prairie Creek Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2015 (75 µg/L) This parameter is being added to the Verified List and the department is 2016 (61 µg/L) requesting EPA add it to the 303(d) List. 2017 (43 µg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (3.83 mg/L) exceeded the nutrient criteria more than once in a three year period, and there 2014 (2.33 mg/L) 4 1 19-0583 Ocklawaha Orange Creek Alachua 2705A Prairie Creek Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium is biological evidence indicating non-attainment of the designated use. This 2015 (2.55 mg/L) parameter is being added to the Verified List and the department is requesting 2016 (2.86 mg/L) EPA add it to the 303(d) List. 2017 (3.33 mg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (0.31 mg/L) exceeded the nutrient criteria more than once in a three year period, and there 2014 (0.13 mg/L) 4 1 19-0584 Ocklawaha Orange Creek Alachua 2705A Prairie Creek Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium is biological evidence indicating non-attainment of the designated use. This 2015 (0.12 mg/L) parameter is being added to the Verified List and the department is requesting 2016 (0.17 mg/L) EPA add it to the 303(d) List. 2017 (0.16 mg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2015 (0.34 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0585 Ocklawaha Orange Creek Alachua 2706 Lake Moon Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2016 (0.29 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.27 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.05 mg/L This parameter is impaired for this waterbody based on the number of 3 1 13-0142 Ocklawaha Orange Creek Alachua 2709 Sunland Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 22/52 exceedances for the sample size and is being added to the 303(d) list. This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may 3 1 13-0143 Ocklawaha Orange Creek Alachua 2710 Unnamed Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/6 be used to identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a), F.A.C. This parameter is being added to the 303(d) list. 2 1 09-2028 Ocklawaha Orange Creek Alachua, Putnam 2713 Little Orange Creek Stream 3F Fecal Coliform > 400 Counts/100 ml Low pp = 4 / 7 Potentially Impaired; vp = 10 / 20, Impaired. Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2015 (0.14 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 1 19-0586 Ocklawaha Orange Creek Alachua, Putnam 2713D Little Orange Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2016 (0.22 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.29 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.05 mg/L This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Total nitrogen, total phosphorus, and BOD were identified as causative pollutants because they exceeded the TN, TP, and BOD thresholds for identification of a causative pollutant (TN exceeded Total Nitrogen, Total 1.7 mg/L, TP exceeded 0.11 mg/L, and BOD exceeded 2.9 mg/L). The period 3 1 13-0144 Ocklawaha Orange Creek Alachua 2717 Kanapaha Lake Lake 3F Dissolved Oxygen Phosphorus, Biochemical ≥ 5.0 mg/L Medium 26/26 of record assessment, which uses all available data regardless of age, Oxygen Demand indicated potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list. Statewide Comprehensive Verified List

This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Total nitrogen and total phosphorus were identified as the causative pollutant because they exceeded the TN threshold of 1.54 mg/L and TP threshold of 0.12 mg/L for identification of a causative Total Nitrogen, Total 3 1 13-0149 Ocklawaha Orange Creek Alachua 2751 Lochloosa Slough Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 22/23 pollutant. The period of record assessment, which uses all available data Phosphorus regardless of age, indicated potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list.

This waterbody is impaired for this parameter based on the number of Rodman Reservoir Pb ≤ e(1.273[lnH]- 4 1 19-0594 Ocklawaha Marion 2769 Daisy Creek Stream 3F Lead Medium 7/9 exceedances for the sample size. This parameter is being added to the Unit 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter based on the number of Marshall Swamp Pb ≤ e(1.273[lnH]- 4 1 19-0595 Ocklawaha Marion 2774 Half Mile Creek Stream 3F Lead Medium 10/49 exceedances for the sample size. This parameter is being added to the Unit 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

RPS ≤ 25%, or when This waterbody is impaired for this parameter based on two or more failing between 20% - 25% Blue Springs (Lake 07/25/2016: 45% rapid periphyton surveys with >25% coverage of periphyton. This parameter is 4 1 19-0601 Ocklawaha Lake Harris Unit Lake 2838C Spring 3F Nutrients (Algal Mats) Evaluation of Algal High County) 11/01/2016: 27% being added to the Verified List and the department is requesting EPA add it to Autoecological Data the 303(d) List. Indicates No Imbalance This waterbody is impaired for this parameter. The annual geometric means AGM Blue Springs (Lake exceeded the criteria more than once in a three-year period. This parameter is 4 1 19-0602 Ocklawaha Lake Harris Unit Lake 2838C Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2016 (2.90 mg/L) County) being added to the Verified List and the department is requesting EPA add it to 2017 (2.94 mg/L) the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the criteria more than once in a three-year period. This parameter is 4 1 19-0603 Ocklawaha Lake Harris Unit Lake 2838D Holiday Springs Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2016 (1.25 mg/L) being added to the Verified List and the department is requesting EPA add it to 2017 (2.76 mg/L) the 303(d) List. Choctawhatchee - Choctawhatchee Holmes, DO met the listing threshold and the causative pollutant is total nitrogen. 2 3 10-0473 286 Open Creek Stream 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L Medium vp=9/9 St. Andrew River Washington There are 12.27% urban and built up and 43.53% upland forest land uses. pp = 23 / 29 Potentially Impaired; vp = 13 / 14 Impaired. DO met the Nutrients (added from verification threshold and TN was identified as the causative pollutant. 11 TN 2 1 09-2053 Ocklawaha Palatlakaha River Lake 2883 Little Creek Stream 3F Dissolved Oxygen < 5.0 mg/L Medium comments) measurements, median 2.73 mg/L. 14 TP measurements, median 0.12 mg/L. 5 BOD measurements, median 1.0 mg/L. St Johns River Above Fecal coliform data exceed the verification threshold; therefore, this WBID is 2 3 10-0324 Upper St. Johns Tosohatchee Unit Brevard, Orange 28935 Puzzle Lake (South Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low vp=19/57 being placed on the Cycle 2 Verified List. Segment) This waterbody is impaired for this parameter based on the number of St Johns River above exceedances for the sample size. Fewer than twenty samples can be used to 3 3 16-0723 Upper St. Johns Tosohatchee Unit Brevard, Orange 28935 Puzzle Lake (South Stream 3F Silver ≤ 0.07 µg/L Medium 7/13 identify a waterbody as impaired if there are at least five exceedances, per Segment) Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. 02/21/2013: Avg CofC - Blue Cypress Creek LVS C of C ≥ 2.5 and 2.39, FLEPPC - 32.79% This waterbody is impaired for this parameter based on failing linear 3 3 16-0724 Upper St. Johns Indian River 28938 Blue Cypress Marsh Stream 1 Nutrients (Macrophytes) Medium Unit LVS FLEPPC ≤ 25% 10/21/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.7, FLEPPC - 48.19% Dissolved oxygen data exceed the verification threshold, and total nitrogen is St Johns River Above Biochemical 2 3 10-0293 Upper St. Johns Puzzle Lake Unit Brevard, Orange 2893I Stream 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L High vp=66/175 the causative pollutant. This WBID was proposed for delisting from the 1998 Puzzle Lake Oxygen Demand 303(d) List in Cycle 1. Silver data exceeded the verification threshold; further analysis confirmed this St Johns River Above 2 3 10-0295 Upper St. Johns Puzzle Lake Unit Brevard, Orange 2893I Stream 3F Silver ≤ 0.07 µg/L Medium vp=8/19 assessment. Therefore, this WBID is being placed on the Cycle 2 Verified Puzzle Lake List. St Johns River above This waterbody is impaired for this parameter based on the number of 3 3 16-0725 Upper St. Johns Puzzle Lake Unit Brevard, Orange 2893I Stream 3F Iron ≤ 1.0 mg/L Medium 14/38 Puzzle Lake exceedances for the sample size and is being added to the 303(d) List. St. Johns Marsh Fecal coliform data exceed the verification threshold; therefore, this WBID is 2 3 10-0309 Upper St. Johns Brevard 2893O1 Lake Washington Drain Stream 1 Fecal Coliform ≤ 400 Counts / 100 mL Low vp=11/21 Unit being placed on the Cycle 2 Verified List.

08/15/2013: Avg CofC - This waterbody is impaired for this parameter based on failing linear St. Johns Marsh LVS C of C ≥ 2.5 and 1.25, FLEPPC - 52.05% vegetation survey results. This parameter is being added to the 303(d) List. 3 3 16-0726 Upper St. Johns Brevard 2893O1 Lake Washington Drain Stream 3F Nutrients (Macrophytes) Medium Unit LVS FLEPPC ≤ 25% 11/25/2013: Avg CofC - The waterbody type for this WBID in IWR Run 52 is Class I (1); however, the 1.28, FLEPPC - 32.73% classification will be revised to Class III Fresh (3F). Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 04/02/2013: Avg CofC - St. Johns Marsh St Johns River above LVS C of C ≥ 2.5 and 2.01, FLEPPC - 32.5% This waterbody is impaired for this parameter based on failing linear 3 3 16-0727 Upper St. Johns Brevard 2893P Stream 1 Nutrients (Macrophytes) Medium Unit Lake Washington LVS FLEPPC ≤ 25% 08/13/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.67, FLEPPC - 47.62% Annual Geometric Mean(s) This waterbody is impaired for this parameter. The annual geometric means St. Johns Marsh St Johns River above 2008 (2.50 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 3 16-0728 Upper St. Johns Brevard 2893P Stream 1 Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium Unit Lake Washington 2010 (1.75 mg/L) there is floral evidence indicating nonattainment of designated use. This 2011 (2.00 mg/L) parameter is being added to the 303(d) List. 2013 (1.65 mg/L) AGM(s) This waterbody is impaired for this parameter. The annual geometric means 2009 (19 µg/L) 3 2 15-0771 Middle St. Johns Lake Woodruff Unit Volusia 2893U Lake Beresford Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This 2011 (25 µg/L) parameter is being added to the 303(d) List. 2012 (41 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.16 mg/L; If 2013 (0.17 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2014 (0.18 mg/L) Blue Cypress Creek exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0628 Upper St. Johns Indian River 2893V Blue Cypress Lake Lake 1 Nutrients (Total Phosphorus) No Data to calculate Medium 2015 (0.20 mg/L) Unit year period. This parameter will be added to the Verified List and the 303(d) AGM or if Chl-a AGM > 2016 (0.20 mg/L) List. 20 µg/L, TP AGM ≤ 2017 (0.21 mg/L) 0.05 mg/L 2018 (0.27 mg/L) St. Johns Marsh Total Nitrogen, Biochemical Dissolved oxygen data exceed the verification threshold, and total nitrogen 2 3 10-0316 Upper St. Johns Brevard 2893X1 Sawgrass Lake Drain Stream 1 Dissolved Oxygen ≥ 5.0 mg/L Medium vp=86/146 Unit Oxygen Demand and biochemical oxygen demand are the causative pollutants. This waterbody is impaired for this parameter based on the number of 3 3 16-0729 Upper St. Johns Lake Poinsett Unit Brevard, Osceola 2893Y1 Lake Winder Drain Stream 3F Iron ≤ 1.0 mg/L Medium 25/72 exceedances for the sample size and is being added to the 303(d) List. 08/15/2013: Avg CofC - LVS C of C ≥ 2.5 and 1.67, FLEPPC - 48.1% This waterbody is impaired for this parameter based on failing linear 3 3 16-0730 Upper St. Johns Lake Poinsett Unit Brevard, Osceola 2893Y1 Lake Winder Drain Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 11/25/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.11, FLEPPC - 93.75% AGM This waterbody is impaired for this parameter. The annual geometric means Louise Lake (Lower 2017 (11 µg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 2 20-0328 Middle St. Johns Lake George Volusia 2902 Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 6 µg/L Medium Segment) 2018 (9 µg/L) year period. This parameter is being added to the Verified List and the 2019 (8 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or Louise Lake (Lower 2017 (0.96 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 2 20-0329 Middle St. Johns Lake George Volusia 2902 Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium Segment) 2018 (0.88 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (0.86 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or Louise Lake (Lower 2017 (0.02 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 2 20-0330 Middle St. Johns Lake George Volusia 2902 Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium Segment) 2018 (0.02 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (0.02 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 mg/L RPS ≤ 25%, or when between 20% - 25% Alexander Springs 01/26/2012: 89.9% This waterbody is impaired for this parameter based on failing rapid periphyton 3 2 15-0774 Middle St. Johns Lake 2918A Alexander Springs Drain Stream 3F Nutrients (Algal Mats) Evaluation of Algal High Creek 11/01/2012: 89.13% survey results. This parameter is being added to the 303(d) List. Autoecological Data Indicates No Imbalance AGM This waterbody is impaired for this parameter. The annual geometric means 2012 (38 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0331 Middle St. Johns Lake Woodruff Volusia 2921D1 Tick Island Mud Lake Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2014 (28 µg/L) year period. This parameter is being added to the Verified List and the 2015 (15 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (46 µg/L) Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2012 (1.74 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0332 Middle St. Johns Lake Woodruff Volusia 2921D1 Tick Island Mud Lake Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2014 (1.61 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (1.56 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 2017 (1.52 mg/L) 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2012 (0.06 mg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0333 Middle St. Johns Lake Woodruff Volusia 2921D1 Tick Island Mud Lake Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2014 (0.08 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.07 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2017 (0.07 mg/L) 0.05 mg/L 02/29/2012: Avg CofC - 3.1, FLEPPC - 26% 12/03/2012: Avg CofC - This waterbody is impaired for this parameter based on failing linear LVS C of C ≥ 2.5 and 2.7, FLEPPC - 29% vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0334 Middle St. Johns Lake Woodruff Volusia 2921F Spring Garden Creek Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 02/01/2017: Avg CofC - coverage of > 25%. This parameter is being added to the Verified List and the 1.9, FLEPPC - 44% department is requesting EPA add it to the 303(d) List. 11/27/2017: Avg CofC - 1.5, FLEPPC - 41% ENRAA11 (AGM) 2010 (4.3 µg/L) 2011 (10.5 µg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (12.6 µg/L) means exceeded the criterion more than once in a three year period. This Indian River Mosquito Lagoon ENRAA11 3 5 18-0269 Brevard, Volusia 2924 Mosquito Lagoon Estuary 2 Nutrients (Chlorophyll-a) Medium 2013 (9.6 µg/L) parameter is being added to the Verified List and the department is requesting Lagoon Unit AGM ≤ 2.5 µg/L 2014 (2.4 µg/L) EPA add it to the 303(d) List. There is a Reasonable Assurance Plan (RAP) in 2015 (15.9 µg/L) development for Mosquito Lagoon. 2016 (28.3 µg/L) 2017 (4.5 µg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 ENRAA11 (AGM) 2010 (0.99 mg/L) 2011 (1.08 mg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (1.33 mg/L) means exceeded the criterion more than once in a three year period. This Indian River Mosquito Lagoon ENRAA11 3 5 18-0270 Brevard, Volusia 2924 Mosquito Lagoon Estuary 2 Nutrients (Total Nitrogen) Medium 2013 (1.03 mg/L) parameter is being added to the Verified List and the department is requesting Lagoon Unit AGM ≤ 1.14 mg/L 2014 (0.85 mg/L) EPA add it to the 303(d) List. There is a Reasonable Assurance Plan (RAP) in 2015 (1.34 mg/L) development for Mosquito Lagoon. 2016 (1.49 mg/L) 2017 (1.21 mg/L) ENRAA11 (AGM) 2010 (0.021 mg/L) 2011 (0.040 mg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (0.035 mg/L) means exceeded the criterion more than once in a three year period. This Indian River Mosquito Lagoon ENRAA11 3 5 18-0271 Brevard, Volusia 2924 Mosquito Lagoon Estuary 2 Nutrients (Total Phosphorus) Medium 2013 (0.033 mg/L) parameter is being added to the Verified List and the department is requesting Lagoon Unit AGM ≤ 0.034 mg/L 2014 (0.021 mg/L) EPA add it to the 303(d) List. There is a Reasonable Assurance Plan (RAP) in 2015 (0.045 mg/L) development for Mosquito Lagoon. 2016 (0.050 mg/L) 2017 (0.037 mg/L) Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Indian River Mosquito Lagoon Mosquito Lagoon Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1335 Volusia 2924B1 Estuary 2 Low N/A Lagoon Unit (Shellfish Portion) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. ENRAA12 (AGM) 2010 (5.3 µg/L) 2011 (7.5 µg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (9.4 µg/L) means exceeded the criterion more than once in a three year period. This Indian River Mosquito Lagoon Mosquito Lagoon ENRAA12 3 5 18-0272 Volusia 2924B1 Estuary 2 Nutrients (Chlorophyll-a) Medium 2013 (7.8 µg/L) parameter is being added to the Verified List and the department is requesting Lagoon Unit (Shellfish Portion) AGM ≤ 3.4 µg/L 2014 (5.7 µg/L) EPA add it to the 303(d) List. There is a Reasonable Assurance Plan (RAP) in 2015 (7.1 µg/L) development for Mosquito Lagoon. 2016 (15.2 µg/L) 2017 (2.4 µg/L) ENRAA12 (AGM) 2010 (0.57 mg/L) 2011 (0.68 mg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (0.95 mg/L) means exceeded the criterion more than once in a three year period. This Indian River Mosquito Lagoon Mosquito Lagoon ENRAA12 3 5 18-0273 Volusia 2924B1 Estuary 2 Nutrients (Total Nitrogen) Medium 2013 (0.71 mg/L) parameter is being added to the Verified List and the department is requesting Lagoon Unit (Shellfish Portion) AGM ≤ 0.65 mg/L 2014 (0.74 mg/L) EPA add it to the 303(d) List. There is a Reasonable Assurance Plan (RAP) in 2015 (0.73 mg/L) development for Mosquito Lagoon. 2016 (0.95 mg/L) 2017 (0.68 mg/L) This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Indian River Mosquito Lagoon Fecal Coliform (SEAS Evaluation & 3 5 18-0274 Volusia 2924B2 Mosquito Lagoon Estuary 2 High NA Classification Program of the department of Agriculture and Consumer Lagoon Unit Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. ENRAA13 (AGM) 2010 (4.2 µg/L) 2011 (5.0 µg/L) This waterbody is impaired for this parameter because the annual geometric 2012 (5.2 µg/L) means exceeded the criterion more than once in a three year period. This Indian River Mosquito Lagoon ENRAA13 3 5 18-0275 Volusia 2924B2 Mosquito Lagoon Estuary 2 Nutrients (Chlorophyll-a) Medium 2013 (4.5 µg/L) parameter is being added to the Verified List and the department is requesting Lagoon Unit AGM ≤ 4.0 µg/L 2014 (4.0 µg/L) EPA add it to the 303(d) List. There is a Reasonable Assurance Plan (RAP) in 2015 (5.7 µg/L) development for Mosquito Lagoon. 2016 (8.1 µg/L) 2017 (2.8 µg/L) DO met the verification threshold and total nitrogen was identified as the 2 2 09-2253 Middle St. Johns Wekiva River Lake 2934 Tracy Canal Stream 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L Medium 70/71 causative pollutant. This parameter is impaired based on the number of exceedances for the sample size. Total nitrogen was identified as a causative pollutant because it was elevated relative to comparable reference condition waters (exceeded 1.0 mg/L). Total phosphorus and biochemical oxygen demand medians were both below their respective thresholds. Based on a TN/TP median of 25, total Indian River North Indian River Turnbull Creek (Marine nitrogen and total phosphorus are co-limiting nutrients. This WBID drains 2 5 12-0293 Volusia 2942A Estuary 3M Dissolved Oxygen Total Nitrogen ≥ 4.0 mg/L Medium 9/44 Lagoon Lagoon Unit Segment) directly to 2963F1 which is part of the Indian River Lagoon TMDL with listed load reductions of 35% and 47% for TN and TP respectively. The period of record assessment, which uses all available data regardless of age, indicated potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. AGM This waterbody is impaired for this parameter because the annual geometric 2010 (10 µg/L) means exceeded the nutrient threshold at least twice in a consecutive three 2011 (18 µg/L) year period during the verified period. The most recent data indicates non- Indian River North Indian River Turnbull Creek (Marine 2012 (32 µg/L) impairment, however, this parameter cannot be placed in category 2 (not 3 5 18-0276 Volusia 2942A Estuary 3M Nutrients (Chlorophyll-a) ≤ 11 µg/L Medium Lagoon Lagoon Unit Segment) 2013 (10 µg/L) impaired) because the delisting requirement of three consecutive years of 2015 (10 µg/L) (AGM / AAM / LTA) chlorophyll-a values below (criterion) has not been met. 2016 (10 µg/L) This parameter is being added to the Verified List and the department is 2017 (26 µg/L) requesting EPA add to the 303(d) List. Deep Creek Unit Total Nitrogen, Biochemical DO met the verification threshold and total nitrogen and BOD were identified 2 2 09-2181 Middle St. Johns Volusia 2952 Cow Creek Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 59/73 MSJR Oxygen Demand as the causative pollutants. This waterbody is likely a blackwater stream. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Indian River North Central Indian Indian River Above Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1336 Brevard 2963A1 Estuary 2 Low N/A Lagoon River Lagoon Sebastian Inlet Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Station 21FLSEAS75SEAS050 (10 yards Indian River North Central Indian Indian River above within Crane Creek) had a median value that exceeded the 14 counts/100 mL 3 5 18-0277 Brevard 2963A1 Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired Lagoon River Lagoon Sebastian Inlet criterion with at least 20 samples in the verified period. This parameter is being added to the Verified List and the department is requesting EPA add to the 303(d) List. Statewide Comprehensive Verified List

2 2 09-2204 Middle St. Johns Lake Jesup Seminole 2985 Chub Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 10/13 Fecal coliforms met verification thresholds. Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; AGM(s) If Chl-a has Insufficient 2007 (0.03 mg/L) This waterbody is impaired for this parameter. The annual geometric means 3 2 15-0784 Middle St. Johns Lake Jesup Seminole 2986F Greenwood Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2009 (0.04 mg/L) exceeded the nutrient criteria more than once in a three year period. This AGM or if Chl-a AGM > 2010 (0.04 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2011 (0.04 mg/L) 0.05 mg/L AGM This waterbody is impaired for this parameter. The annual geometric means 2015 (8 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0336 Middle St. Johns Lake Jesup Seminole 2986F Greenwood Lake Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2016 (8 µg/L) three year period. This parameter is being added to the Verified List and the 2017 (24 µg/L) department is requesting EPA add it to the 303(d) List. 2018 (33 µg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2014 (0.67 mg/L) exceeded the criteria more than once in a three-year period. This parameter is 4 2 20-0337 Middle St. Johns Wekiva River Seminole 2987Y Palm Springs Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2015 (0.59 mg/L) being added to the Verified List and the department is requesting EPA add it to 2017 (0.62 mg/L) the 303(d) List. 2018 (0.66 mg/L) This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the criteria more than once in a three-year period. This parameter is 4 2 20-0338 Middle St. Johns Wekiva River Seminole 2987Z Sanlando Spring Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2017 (0.80 mg/L) being added to the Verified List and the department is requesting EPA add it to 2018 (0.63 mg/L) the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty 4 2 20-0339 Middle St. Johns Lake Jesup Seminole 2990 Salt Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 13/17 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Econlockhatchee Osceola,Seminole,O 4 2 20-0340 Middle St. Johns 2991 Econlockhatchee River Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 11/31 exceedances for the sample size. This parameter is being added to the River range Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty 4 2 20-0341 Middle St. Johns Lake Jesup Seminole 2992 Black Hammock Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/12 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 AGM This waterbody is impaired for this parameter. The annual geometric means 2017 (24 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0342 Middle St. Johns Lake Jesup Seminole 2994K Lake Concord Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2018 (27 µg/L) three year period. This parameter is being added to the Verified List and the 2019 (27 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2017 (0.04 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0343 Middle St. Johns Lake Jesup Seminole 2994K Lake Concord Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2018 (0.04 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (0.04 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.03 mg/L AGM This waterbody is impaired for this parameter. The annual geometric means 2017 (31 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0344 Middle St. Johns Lake Jesup Seminole 2995 Lake Charm Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2018 (39 µg/L) three year period. This parameter is being added to the Verified List and the 2019 (14 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 1.91 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2017 (1.43 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0345 Middle St. Johns Lake Jesup Seminole 2995 Lake Charm Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2018 (1.98 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (1.08 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 1.05 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2017 (0.04 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0346 Middle St. Johns Lake Jesup Seminole 2995 Lake Charm Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2018 (0.04 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (0.04 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.03 mg/L This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty 4 2 20-0347 Middle St. Johns Lake Jesup Seminole 2996 Sweetwater Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 14/17 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Howell Creek Below Lake 2 2 09-2213 Middle St. Johns Lake Jesup Seminole 2997 Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 18/60 Fecal coliforms met verification thresholds. Howell 03/02/2012: Avg CofC - 1.8, FLEPPC - 63% 11/13/2017: (less than 2 This waterbody is impaired for this parameter based on failing linear Howell Creek above Lake LVS C of C ≥ 2.5 and sq. m.) vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0348 Middle St. Johns Lake Jesup Seminole,Orange 2997A Stream 3F Nutrients (Macrophytes) Medium Howell LVS FLEPPC ≤ 25% 05/30/2018: Avg CofC - coverage of > 25%. This parameter is being added to the Verified List and the 2.4, FLEPPC - 30% department is requesting EPA add it to the 303(d) List. 02/28/2019: Avg CofC - 2.1, FLEPPC - 30% AGM 2012 (13 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (13 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0349 Middle St. Johns Lake Jesup Orange 2997L Lake Winyah Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2014 (23 µg/L) three year period. This parameter is being added to the Verified List and the 2015 (31 µg/L) department is requesting EPA add it to the 303(d) List. 2016 (15 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; If 2012 (0.05 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2013 (0.04 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0350 Middle St. Johns Lake Jesup Orange 2997L Lake Winyah Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2014 (0.05 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.05 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2016 (0.03 mg/L) 0.03 mg/L 2 2 09-2223 Middle St. Johns Lake Jesup Orange 2997Q Lake Dot Lake 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/23 Fecal coliforms met verification thresholds. Average score of at Quarterly LVI Means This waterbody is impaired for this parameter based on failing bioassessments Lake Gem (Orange least two temporally 3 2 15-0792 Middle St. Johns Lake Jesup Orange 2997V Lake 3F Biology Nutrients Medium 2013 (Q3) : 6 and nutrients have been determined to be the causative pollutant. This County) independent LVI scores 2013 (Q4) : 8 parameter is being added to the 303(d) List. ≥ 43 This waterbody is impaired for this parameter based on the number of 3 2 15-0796 Middle St. Johns Lake Jesup Seminole 2999 Bear Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/69 exceedances for the sample size and is being added to the 303(d) List. AGM This waterbody is impaired for this parameter. The annual geometric means 2017 (7 µg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 2 20-0351 Middle St. Johns Lake Jesup Seminole 2999B Noname Lake Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 6 µg/L Medium 2018 (10 µg/L) year period. This parameter is being added to the Verified List and the 2019 (8 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2017 (0.59 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 2 20-0352 Middle St. Johns Lake Jesup Seminole 2999B Noname Lake Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2018 (0.59 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (0.54 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2017 (0.02 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 2 20-0353 Middle St. Johns Lake Jesup Seminole 2999B Noname Lake Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2018 (0.02 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2019 (0.02 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 04/03/2012: (less than 2 sq. m.) 04/29/2014: Avg CofC - .9, FLEPPC - 86% This waterbody is impaired for this parameter based on failing linear Econlockhatchee Little Econlockhatchee LVS C of C ≥ 2.5 and 04/01/2015: Avg CofC - vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0354 Middle St. Johns Seminole,Orange 3001 Stream 3F Nutrients (Macrophytes) Medium River River LVS FLEPPC ≤ 25% .2, FLEPPC - 92% coverage of > 25%. This parameter is being added to the Verified List and the 08/01/2016: Avg CofC - department is requesting EPA add it to the 303(d) List. .6, FLEPPC - 87% 03/01/2017: Avg CofC - 1.8, FLEPPC - 50% AGM 2012 (15 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2015 (16 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0355 Middle St. Johns Wekiva River Orange 3002D Starke Lake Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2016 (31 µg/L) three year period. This parameter is being added to the Verified List and the 2017 (28 µg/L) department is requesting EPA add it to the 303(d) List. 2018 (34 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TN AGM ≤ 1.91 mg/L; If 2012 (1.00 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2015 (1.32 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0356 Middle St. Johns Wekiva River Orange 3002D Starke Lake Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2016 (1.52 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (1.39 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 2018 (1.40 mg/L) 1.05 mg/L AGM This waterbody is impaired for this parameter. The annual geometric means 2012 (32 µg/L) exceeded the nutrient criteria for a high color lake more than once in a three 4 2 20-0357 Middle St. Johns Wekiva River Orange 3002G Lake Lotta Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2016 (15 µg/L) year period. This parameter is being added to the Verified List and the 2018 (29 µg/L) department is requesting EPA add it to the 303(d) List. 2019 (39 µg/L) This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to 3 2 15-0802 Middle St. Johns Wekiva River Orange 3002Q Kasey Lake Lake 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/19 identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=2) This waterbody is impaired for this parameter based on failing bioassessments two most recent LVI WBID Mean (17) and nutrients have been determined to be the causative pollutant. This 4 2 20-0358 Middle St. Johns Wekiva River Orange 3002Q Kasey Lake Lake 3F Biology Nutrients Medium scores ≥ 43; or if there Mean 1 (15), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (19) EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM 2012 (57 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2014 (29 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0359 Middle St. Johns Wekiva River Orange 3002Q Kasey Lake Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2015 (55 µg/L) three year period. This parameter is being added to the Verified List and the 2016 (33 µg/L) department is requesting EPA add it to the 303(d) List. 2018 (31 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TN AGM ≤ 1.91 mg/L; If 2012 (1.41 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2013 (1.17 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0360 Middle St. Johns Wekiva River Orange 3002Q Kasey Lake Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2014 (1.02 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (1.17 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 2016 (1.09 mg/L) 1.05 mg/L 2018 (1.04 mg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; If 2012 (0.08 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2013 (0.07 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0361 Middle St. Johns Wekiva River Orange 3002Q Kasey Lake Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2014 (0.07 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.07 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2016 (0.05 mg/L) 0.03 mg/L 2018 (0.06 mg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; If AGM This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2012 (0.04 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0362 Middle St. Johns Wekiva River Orange 3002R Kelly Lake Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2014 (0.06 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.07 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2016 (0.05 mg/L) 0.03 mg/L Average score of at least two temporally independent LVI scores ≥ 43; or either of the This waterbody is impaired for this parameter based on failing bioassessments LVI (n=2) two most recent LVI and nutrients have been determined to be the causative pollutant. This 4 2 20-0363 Middle St. Johns Wekiva River Orange 3004R Lake Fairhope Lake 3F Biology Nutrients Medium WBID Mean (0) scores ≥ 43; or if there parameter is being added to the Verified List and the department is requesting Mean 1 (0), Mean 2 (0) are only two LVI scores EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM This waterbody is impaired for this parameter. The annual geometric means 2012 (67 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0364 Middle St. Johns Wekiva River Orange 3004R Lake Fairhope Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium 2014 (60 µg/L) three year period. This parameter is being added to the Verified List and the 2015 (68 µg/L) department is requesting EPA add it to the 303(d) List. 2016 (26 µg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 20 µg/L, AGM TN AGM ≤ 1.91 mg/L; If 2012 (1.77 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2013 (2.37 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0365 Middle St. Johns Wekiva River Orange 3004R Lake Fairhope Lake 3F Nutrients (Total Nitrogen) No Data to calculate Medium 2014 (1.42 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (1.94 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TN AGM ≤ 2016 (0.97 mg/L) 1.05 mg/L Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; If 2012 (0.15 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or 2013 (0.18 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0366 Middle St. Johns Wekiva River Orange 3004R Lake Fairhope Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium 2014 (0.17 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.16 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2016 (0.09 mg/L) 0.03 mg/L This waterbody is impaired for this parameter based on the number of 3 2 15-0810 Middle St. Johns Lake Jesup Orange, Seminole 3009G Bear Gulley Lake Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/55 exceedances for the sample size and is being added to the 303(d) List. AGM(s) 2007 (25 µg/L) This waterbody is impaired for this parameter. The annual geometric means 2008 (30 µg/L) 3 2 15-0811 Middle St. Johns Wekiva River Orange 3011A Lake Weston Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This 2009 (23 µg/L) parameter is being added to the 303(d) List. 2010 (23 µg/L) 2011 (22 µg/L) This waterbody is impaired because the annual average for 2008 exceeded 2003 (14.2 µg/l) the threshold of 20 µg/ for streams. Nitrogen and phosphorus are co-limiting 2 3 10-0327 Upper St. Johns Tosohatchee Unit Brevard 3013 Unnamed Slough Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2008 (26.8 µg/l) nutrients based on TN/TP ratios of 6.286 to 19.89 with a median of 12.051 (n = 21) over the verified period. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Econlockhatchee 4 2 20-0367 Middle St. Johns Seminole,Orange 3014 Crane Strand Drain Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 18/26 confirmed using genetic marker and chemical tracer data. There is also a DEP River Adopted Fecal Coliform TMDL. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Econlockhatchee 2 2 09-2188 Middle St. Johns Orange 3021 Unnamed Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/24 Fecal coliforms met verification thresholds. River This waterbody is impaired for this parameter based on the number of Econlockhatchee 4 2 20-0368 Middle St. Johns Orange 3023 Crane Strand Stream 3F Silver ≤ 0.07 µg/L Medium 8/26 exceedances for the sample size. This parameter is being added to the River Verified List and the department is requesting EPA add it to the 303(d) List. PP - 19/36 values exceed criterion. VP - 12/21 values exceed criterion. Econlockhatchee 1 2 03-2635 Middle St. Johns Orange 3023A Lake Baldwin Outfall Stream 3F Fecal Coliform > 400 per 100 ml Medium 2008 Coliform median 510 colonies/100ml, range 30 - 4,100 colonies/100ml. No River more than 2 values per month. Econlockhatchee PP - 18/32 values exceed criterion. VP - 11/20 values exceed criterion. 1 2 03-2640 Middle St. Johns Orange 3024A Trib. to Little Econ. River Stream 3F Fecal Coliform > 400 per 100 ml Medium 2008 River Coliform median 440 colonies/100ml, range 8 - 3,100 colonies/100ml. This parameter is impaired based on the number of exceedances (7) for a Indian River North Indian River samples size less than 20. Fewer than twenty samples may be used to identify 2 5 12-0301 Brevard 3028 Addison Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/12 Lagoon Lagoon Unit a waterbody as impaired if there are at least five exceedances, per Rule 62- 303.420(7)(a). This parameter is being added to the 303(d) list. AGM 2012 (21 µg/L) This waterbody is impaired for this parameter. The annual geometric means Econlockhatchee Lake Dover - Lake C - 2013 (35 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0369 Middle St. Johns Orange 3036B8 Lake 3F Nutrients (Chlorophyll-a) AGM ≤ 20 µg/L Medium River Lake Santiago 2014 (28 µg/L) three year period. This parameter is being added to the Verified List and the 2015 (23 µg/L) department is requesting EPA add it to the 303(d) List. 2016 (21 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; If 2012 (0.06 mg/L) This waterbody is impaired for this parameter. The annual geometric means Chl-a has insufficient or Econlockhatchee Lake Dover - Lake C - 2013 (0.08 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 2 20-0370 Middle St. Johns Orange 3036B8 Lake 3F Nutrients (Total Phosphorus) No Data to calculate Medium River Lake Santiago 2014 (0.08 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.05 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 2016 (0.05 mg/L) 0.03 mg/L This waterbody is impaired for this parameter based on the number of Econlockhatchee exceedances for the sample size and anthropogenic sources have been 4 2 20-0371 Middle St. Johns Orange 3037 Avalon Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/29 River identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of 3 3 16-0732 Upper St. Johns Tosohatchee Unit Orange 3042 Jim Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/24 exceedances for the sample size and is being added to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Indian River Fecal Coliform (SEAS Evaluation & 3 5 18-0280 Banana River Unit Brevard 3044A Newfound Harbor Estuary 2 High NA Classification Program of the department of Agriculture and Consumer Lagoon Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. 01/30/2017: Avg CofC - This waterbody is impaired for this parameter based on failing linear Econlockhatchee LVS C of C ≥ 2.5 and 1.5, FLEPPC - 52% vegetation surveys with an average C of C score < 2.5 and FLEPPC percent 4 2 20-0372 Middle St. Johns Orange 3046 Unnamed Drain Stream 3F Nutrients (Macrophytes) Medium River LVS FLEPPC ≤ 25% 06/13/2017: Avg CofC - coverage of > 25%. This parameter is being added to the Verified List and the 1.9, FLEPPC - 38% department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient threshold more than once in a three year period, and Econlockhatchee 4 2 20-0373 Middle St. Johns Orange 3046 Unnamed Drain Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2012 (0.17 mg/L) there is biological evidence indicating non-attainment of the designated use. River 2013 (0.16 mg/L) This parameter is being added to the Verified List and will remain on the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Indian River Banana River below 520 Fecal Coliform (SEAS Evaluation & 3 5 18-0281 Banana River Unit Brevard 3057A Estuary 2 High NA Classification Program of the department of Agriculture and Consumer Lagoon Causeway Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Indian River Banana River above 520 Fecal Coliform (SEAS Evaluation & 3 5 18-0282 Banana River Unit Brevard 3057B Estuary 2 High NA Classification Program of the department of Agriculture and Consumer Lagoon Causeway Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. Statewide Comprehensive Verified List

08/20/2013: Avg CofC - St. Johns Marsh LVS C of C ≥ 2.5 and 1.13, FLEPPC - 62.22% This waterbody is impaired for this parameter based on failing linear 3 3 16-0738 Upper St. Johns Brevard 3125 Wolf Creek Canal Stream 1 Nutrients (Macrophytes) Medium Unit LVS FLEPPC ≤ 25% 12/12/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.23, FLEPPC - 88.57%

Total Nitrogen, Total Dissolved oxygen data exceed the verification threshold, and total nitrogen, St. Johns Marsh 2 3 10-0322 Upper St. Johns Brevard, Osceola 3127 Wolf Creek Stream 1 Dissolved Oxygen Phosphorus, Biochemical ≥ 5.0 mg/L Medium vp=10/28 total phosphorus and biochemical oxygen demand are the causative Unit Oxygen Demand pollutants. This waterbody is impaired for this parameter based on the number of Indian River South Central Indian Brevard, Indian St. Sebastian River above 3 5 18-0285 3129A Estuary 3M Iron ≤ 0.3 mg/L Medium 19/42 exceedances for the sample size. This parameter is being added to the Lagoon River Lagoon River Indian River Lagoon Verified List and the department is requesting EPA add to the 303(d) List. Annual Geometric Mean(s) 2008 (67 µg/L) 2009 (55 µg/L) This waterbody is impaired for this parameter. The annual geometric mean Blue Cypress Creek 3 3 16-0739 Upper St. Johns Indian River 3140 Lake Kenansville Lake 1 Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (41 µg/L) exceeded the nutrient criteria more than once in a three year period. This Unit 2011 (16 µg/L) parameter is being added to the 303(d) List. 2012 (23 µg/L) 2013 (6 µg/L) 2014 (11 µg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TN AGM ≤ 2.23 mg/L; 2008 (3.18 mg/L) If Chl-a has Insufficient 2009 (2.67 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Blue Cypress Creek 3 3 16-0740 Upper St. Johns Indian River 3140 Lake Kenansville Lake 1 Nutrients Nutrients (Total Nitrogen) or No Data to calculate Medium 2010 (2.34 mg/L) exceeded the nutrient criteria more than once in a three year period. This Unit AGM or if Chl-a AGM > 2011 (1.86 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2012 (2.32 mg/L) 1.27 mg/L 2013 (1.71 mg/L) 2014 (1.58 mg/L) Annual Geometric Chl-a AGM ≤ 20 µg/L, Mean(s) TP AGM ≤ 0.16 mg/L; 2008 (0.14 mg/L) If Chl-a has Insufficient 2009 (0.14 mg/L) This waterbody is impaired for this parameter. The annual geometric mean Blue Cypress Creek 3 3 16-0741 Upper St. Johns Indian River 3140 Lake Kenansville Lake 1 Nutrients Nutrients (Total Phosphorus) or No Data to calculate Medium 2010 (0.13 mg/L) exceeded the nutrient criteria more than once in a three year period. This Unit AGM or if Chl-a AGM > 2011 (0.06 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2012 (0.14 mg/L) 0.05 mg/L 2013 (0.06 mg/L) 2014 (0.05 mg/L) Indian River South Central Indian 1 5 09-1257 Indian River 3147 North Canal Stream 3F Fecal Coliform > 400 colonies/100 ml Low PP = 0 / 1 Insufficient data; VP = 7 / 25, Impaired Lagoon River Lagoon Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of Indian River South Central Indian 3 5 18-0286 Indian River 3147 North Canal Stream 3F Iron ≤ 1.0 mg/L Medium 9/48 exceedances for the sample size. This parameter is being added to the Lagoon River Lagoon Verified List and the department is requesting EPA add to the 303(d) List. Indian River South Central Indian This parameter is impaired based on the number of exceedances for the 2 5 12-0324 Indian River 3153A Main Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/29 Lagoon River Lagoon sample size and will be placed on the 303(d) list. This WBID will remain on the 303(d) list in Cycle 2 and will be verified as Fort Drum Creek Indian River, 2 3 10-0278 Upper St. Johns 3154 Fort Drum Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL High vp=7/22 impaired. This WBID was proposed for delisting from the 1998 303(d) List in Unit Okeechobee Cycle 1. Indian River South Central Indian 1 5 09-1261 Indian River 3158 South Canal Stream 3F Fecal Coliform > 400 colonies/100 ml Low PP = 1 / 3 Insufficient data; VP = 12 / 31, Impaired Lagoon River Lagoon Impaired by the IWR threshold and BOD was found to be the causative pollutant. BOD exceeded the threshold of 2.0 mg/L. TN/TP median = 7.04, St. Lucie - Okeechobee, St. C-25 Canal West (St. Biochemical Oxygen 2 2 09-1697 C-25 3160 Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L Medium 12/27 standard deviation 5.24, range 1.67 - 28.65, observations 24. Placed on the Loxahatchee Lucie Johns Marsh) Demand 1998 303(d) list based on listing for WBID 3189. TMDL proposed by EPA 9-30- 06. 09/19/2013: Avg CofC - This waterbody is impaired for this parameter based on failing linear Fort Pierce Farm Canal Indian River LVS C of C ≥ 2.5 and 1.3, FLEPPC - 59% vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. This 3 5 18-0290 C-25 St. Lucie 3163 (Belcher Canal/Taylor Stream 3F Nutrients (Macrophytes) Medium Lagoon LVS FLEPPC ≤ 25% 12/30/2013: Avg CofC - parameter is being added to the Verified List and the department is requesting Creek) 1.8, FLEPPC - 46% EPA add it to the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means AGM Fort Pierce Farm Canal exceeded the nutrient threshold more than once in a three year period, and Indian River 2010 (0.14 mg/L) 3 5 18-0291 C-25 St. Lucie 3163 (Belcher Canal/Taylor Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium there is biological evidence indicating non attainment of the designated use. Lagoon 2011 (0.10 mg/L) Creek) This parameter is being added to the Verified List and the department is 2012 (0.16 mg/L) requesting EPA add to the 303(d) List. PP - 75/126 Potentially Impaired, VP - 52/109 Verified Linked to nutrients, St. Lucie - Nutrients (added from with both nitrogen and phosphorous as limiting nutrients, colimitation of 1 2 03-2648 C-25 St. Lucie 3163B C-25 East Segment Stream 3F Dissolved Oxygen DO < 5 mg/L Medium 2008 Loxahatchee comments) Nitrogen and Phosphorus, TN during VP = 1.445 mg/L, TP during VP = 0.139 mg/L. 07/24/2013: Avg CofC - 2.8, FLEPPC - 34% This waterbody is impaired for this parameter based on failing linear Indian River LVS C of C ≥ 2.5 and 11/26/2013: Avg CofC - vegetation surveys with a C of C < 2.5 and FLEPPC score > 25%. This 3 5 18-0292 C-25 St. Lucie 3163B C-25 East Segment Stream 3F Nutrients (Macrophytes) Medium Lagoon LVS FLEPPC ≤ 25% .2, FLEPPC - 85% parameter is being added to the Verified List and the department is requesting 02/09/2017: Avg CofC - EPA add it to the 303(d) List. 1.8, FLEPPC - 53% This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been St. Lucie - 4 2 20-0374 Coastal St. Lucie 3166 Moore Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 18/22 confirmed using genetic marker and chemical tracer data. This parameter is Loxahatchee being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Upper Kissimmee This WBID is impaired for fecal coliforms based on the number of 2 4 10-3163 Kissimmee River Orange 3168B Boggy Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 13/61 Planning Unit exceedances. AGM 2009 (19 µg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0342 Kissimmee River Orange 3168E Lake Anderson Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (29 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (27 µg/L) parameter is being added to the 303(d) List. 2014 (21 µg/L) AGM 2009 (28 µg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0343 Kissimmee River Orange 3168F Lake Bass Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (38 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (21 µg/L) parameter is being added to the 303(d) List. 2014 (16 µg/L) Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 1.91 mg/L; AGM If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2009 (1.13 mg/L) 3 4 17-0344 Kissimmee River Orange 3168F Lake Bass Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2010 (1.33 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2014 (0.88 mg/L) 20 µg/L, TN AGM ≤ 1.05 mg/L This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three-year period. This 2009 (27 µg/L) Upper Kissimmee Lake Warren (Lake Mare waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0345 Kissimmee River Orange 3168Q Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (21 µg/L) Planning Unit Prairie) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2011 (25 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (13 µg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 2.23 mg/L; 2009 (1.57 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee Lake Warren (Lake Mare 2010 (1.54 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0346 Kissimmee River Orange 3168Q Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit Prairie) 2011 (1.67 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (1.18 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2014 (0.91 mg/L) impairment. This parameter is being added to the 303(d) List. 1.27 mg/L Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.16 mg/L; 2009 (0.06 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee Lake Warren (Lake Mare 2010 (0.06 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0347 Kissimmee River Orange 3168Q Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Planning Unit Prairie) 2011 (0.05 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (0.04 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2014 (0.03 mg/L) impairment. This parameter is being added to the 303(d) List. 0.05 mg/L This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three-year period. This 2009 (34 µg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0348 Kissimmee River Orange 3168W3 Lake Wade Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2012 (29 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2013 (22 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (48 µg/L) impairment. This parameter is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2009 (1.21 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2010 (1.25 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0349 Kissimmee River Orange 3168W3 Lake Wade Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit 2012 (1.35 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (1.20 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2014 (1.11 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.10 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2010 (0.10 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0350 Kissimmee River Orange 3168W3 Lake Wade Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Planning Unit 2012 (0.11 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2013 (0.08 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2014 (0.10 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L Chl-a AGM ≤ 20 µg/L, AGM TN AGM ≤ 1.91 mg/L; 2009 (1.29 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2010 (1.21 mg/L) 3 4 17-0351 Kissimmee River Orange 3168W4 Lake of The Woods Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (1.12 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2012 (1.29 mg/L) 20 µg/L, TN AGM ≤ 2013 (1.23 mg/L) 1.05 mg/L Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.11 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2010 (0.12 mg/L) 3 4 17-0352 Kissimmee River Orange 3168W4 Lake of The Woods Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (0.11 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2012 (0.12 mg/L) 20 µg/L, TP AGM ≤ 2013 (0.10 mg/L) 0.03 mg/L Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; AGM If Chl-a has Insufficient 2009 (1.56 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0353 Kissimmee River Orange 3168W6 Lake Warren Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (1.30 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2013 (1.17 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2014 (1.04 mg/L) 1.27 mg/L AGM This waterbody is impaired for this parameter. The annual geometric means 2009 (38 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Upper Kissimmee 2010 (43 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0354 Kissimmee River Orange 3168W7 Lake Bumby Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Planning Unit 2011 (34 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2013 (32 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (31 µg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; AGM exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2009 (1.54 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0355 Kissimmee River Orange 3168W7 Lake Bumby Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit 2010 (1.25 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2014 (1.04 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ impairment. This parameter is being added to the 303(d) List. 1.05 mg/L Chl-a AGM ≤ 20 µg/L, This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; AGM exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2009 (0.06 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0356 Kissimmee River Orange 3168W7 Lake Bumby Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Planning Unit 2010 (0.06 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2014 (0.06 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ impairment. This parameter is being added to the 303(d) List. 0.03 mg/L Upper Kissimmee This waterbody is impaired for this parameter based on the number of 3 4 17-0357 Kissimmee River Orange 3168W7 Lake Bumby Lake 3F Silver ≤ 0.07 µg/L Medium 5/6 Planning Unit exceedances for the sample size and will be added to the 303(d) List. AGM This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0358 Kissimmee River Orange 3168X2 Hourglass Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2009 (25 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2010 (26 µg/L) parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; AGM If Chl-a has Insufficient 2009 (0.05 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0359 Kissimmee River Orange 3168X4 Lake Rabama Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2012 (0.07 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2013 (0.10 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2014 (0.10 mg/L) 0.03 mg/L This waterbody is verified as impaired based on the number of exceedances. Upper Kissimmee 2 4 10-3172 Kissimmee River Orange 3168X5 Lake Condel Lake 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/17 Fewer than twenty samples may be used to identify a waterbody as impaired if Planning Unit there are at least five exceedances, per Rule 62-303.420(7)(a). Upper Kissimmee Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 4 17-0360 Kissimmee River Orange 3168X5 Lake Condel Lake 3F Lead Medium 5/12 Planning Unit 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. AGM This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2009 (71 µg/L) 3 4 17-0361 Kissimmee River Orange 3168X5 Lake Condel Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2014 (74 µg/L) parameter is being added to the 303(d) List. 2015 (39 µg/L) Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 1.91 mg/L; AGM If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2009 (2.55 mg/L) 3 4 17-0362 Kissimmee River Orange 3168X5 Lake Condel Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2014 (1.87 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2015 (1.17 mg/L) 20 µg/L, TN AGM ≤ 1.05 mg/L Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; AGM If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2009 (0.11 mg/L) 3 4 17-0363 Kissimmee River Orange 3168X5 Lake Condel Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2014 (0.21 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2015 (0.11 mg/L) 20 µg/L, TP AGM ≤ 0.03 mg/L This waterbody is impaired for this parameter. The annual geometric means exceeded the nutrient criteria more than once in a three-year period. This AGM Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0364 Kissimmee River Orange 3168X8 Lake Angel Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (21 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2012 (24 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.05 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.06 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0365 Kissimmee River Orange 3168X8 Lake Angel Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.05 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.08 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2013 (0.08 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L 2014 (0.05 mg/L) AGM 2009 (17 µg/L) 2010 (23 µg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0366 Kissimmee River Orange 3168Y Lake Lancaster Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2011 (23 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2012 (25 µg/L) parameter is being added to the 303(d) List. 2013 (14 µg/L) 2014 (17 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TN AGM ≤ 1.91 mg/L; 2009 (1.05 mg/L) If Chl-a has Insufficient 2010 (1.05 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0367 Kissimmee River Orange 3168Y Lake Lancaster Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (1.09 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (1.31 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2013 (0.98 mg/L) 1.05 mg/L 2014 (0.89 mg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.05 mg/L) If Chl-a has Insufficient 2010 (0.05 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0368 Kissimmee River Orange 3168Y Lake Lancaster Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.06 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (0.07 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.05 mg/L) 0.03 mg/L 2014 (0.05 mg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.16 mg/L; 2009 (0.06 mg/L) If Chl-a has Insufficient 2010 (0.08 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee Lake Como (Orange 3 4 17-0369 Kissimmee River Orange 3168Y2 Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.08 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit County) AGM or if Chl-a AGM > 2012 (0.12 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.13 mg/L) 0.05 mg/L 2014 (0.15 mg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.10 mg/L) If Chl-a has Insufficient 2010 (0.11 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0370 Kissimmee River Orange 3168Y3 Lake Greenwood Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.11 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (0.08 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.08 mg/L) 0.03 mg/L 2014 (0.09 mg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2009 (39 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Upper Kissimmee 2010 (17 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0371 Kissimmee River Orange 3168Y4 Lake Davis Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Planning Unit 2011 (57 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2012 (23 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2013 (39 µg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 2.23 mg/L; 2009 (1.70 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (1.05 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0372 Kissimmee River Orange 3168Y4 Lake Davis Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (2.01 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (1.61 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2013 (1.45 mg/L) impairment. This parameter is being added to the 303(d) List. 1.27 mg/L 2014 (1.14 mg/L) Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.16 mg/L; 2009 (0.09 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.06 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0373 Kissimmee River Orange 3168Y4 Lake Davis Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.11 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.10 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2013 (0.12 mg/L) impairment. This parameter is being added to the 303(d) List. 0.05 mg/L 2014 (0.08 mg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.04 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2010 (0.04 mg/L) 3 4 17-0374 Kissimmee River Orange 3168Y6 Lake Lurna Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (0.04 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (0.04 mg/L) 20 µg/L, TP AGM ≤ 2014 (0.03 mg/L) 0.03 mg/L AGM 2009 (23 µg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0375 Kissimmee River Orange 3168Y8 Lake Weldona Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (34 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (55 µg/L) parameter is being added to the 303(d) List. 2012 (35 µg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 AGM 2009 (25 µg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2010 (16 µg/L) 3 4 17-0376 Kissimmee River Orange 3168Z3 Lake Arnold Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (7 µg/L) parameter is being added to the 303(d) List. 2014 (17 µg/L) 2015 (22 µg/L) Chl-a AGM ≤ 6 µg/L, AGM TN AGM ≤ 0.93 mg/L; 2009 (1.08 mg/L) If Chl-a has Insufficient 2011 (0.87 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0377 Kissimmee River Orange 3168Z3 Lake Arnold Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2012 (0.72 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2013 (0.77 mg/L) parameter is being added to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2014 (0.71 mg/L) mg/L 2015 (0.91 mg/L) Chl-a AGM ≤ 6 µg/L, AGM TP AGM ≤ 0.03 mg/L; 2010 (0.02 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2011 (0.02 mg/L) 3 4 17-0378 Kissimmee River Orange 3168Z3 Lake Arnold Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2012 (0.02 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2014 (0.02 mg/L) 6 µg/L, TP AGM ≤ 0.01 2015 (0.02 mg/L) mg/L Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.04 mg/L) If Chl-a has Insufficient 2010 (0.03 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0379 Kissimmee River Orange 3168Z4 Lake Giles Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.03 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (0.04 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.04 mg/L) 0.03 mg/L 2014 (0.04 mg/L) Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.06 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.08 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0380 Kissimmee River Orange 3168Z9 Lake Lawsona Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.06 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.08 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2013 (0.08 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L 2014 (0.06 mg/L) 1/31/2013: Avg CofC - Upper Kissimmee LVS C of C ≥ 2.5 and 0.9, FLEPPC - 55% This waterbody is impaired for this parameter based on failing linear 3 4 17-0381 Kissimmee River Orange, Osceola 3169A Shingle Creek Stream 3F Nutrients (Macrophytes) Medium Planning Unit LVS FLEPPC ≤ 25% 6/26/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.9, FLEPPC - 72% Upper Kissimmee Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 4 17-0382 Kissimmee River Orange 3169C Big Sand Lake Lake 3F Lead Medium 10/27 Planning Unit 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. AGM 2009 (23 µg/L) 2010 (20 µg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0383 Kissimmee River Orange 3169G3 Lake Fran Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2011 (22 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2012 (20 µg/L) parameter is being added to the 303(d) List. 2013 (22 µg/L) 2014 (29 µg/L) Chl-a AGM ≤ 20 µg/L, AGM TN AGM ≤ 1.91 mg/L; 2009 (1.12 mg/L) If Chl-a has Insufficient 2010 (1.09 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0384 Kissimmee River Orange 3169G3 Lake Fran Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (1.15 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (1.38 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TN AGM ≤ 2013 (1.28 mg/L) 1.05 mg/L 2014 (1.17 mg/L) Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.09 mg/L; 2009 (0.06 mg/L) If Chl-a has Insufficient 2010 (0.07 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0385 Kissimmee River Orange 3169G3 Lake Fran Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.07 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (0.09 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.09 mg/L) 0.03 mg/L 2014 (0.10 mg/L) This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three-year period. This 2009 (45 µg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0386 Kissimmee River Orange 3169G4 Lake Kozart Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2010 (62 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2011 (44 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (47 µg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2009 (2.93 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (2.48 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0387 Kissimmee River Orange 3169G4 Lake Kozart Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (2.47 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (2.22 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2013 (2.45 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L 2014 (1.99 mg/L) Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.12 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.10 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0388 Kissimmee River Orange 3169G4 Lake Kozart Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.11 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.11 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2013 (0.10 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L 2014 (0.10 mg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2009 (48 µg/L) exceeded the nutrient criteria more than once in a three-year period. This Upper Kissimmee 2010 (20 µg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0389 Kissimmee River Orange 3169G5 Lake Walker Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Planning Unit 2011 (33 µg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2012 (35 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2013 (20 µg/L) impairment. This parameter is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2009 (1.41 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2010 (1.35 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0390 Kissimmee River Orange 3169G5 Lake Walker Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Planning Unit 2011 (1.56 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (1.47 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2013 (1.58 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.08 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient Upper Kissimmee 2010 (0.08 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0391 Kissimmee River Orange 3169G5 Lake Walker Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Planning Unit 2011 (0.10 mg/L) (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.11 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2013 (0.10 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three-year period. This 2010 (32 µg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0392 Kissimmee River Orange 3169G6 Lake Richmond Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2011 (24 µg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule 2012 (34 µg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 2014 (44 µg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2009 (1.91 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (1.90 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0393 Kissimmee River Orange 3169G6 Lake Richmond Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (1.68 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (2.41 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TN AGM ≤ 2013 (2.57 mg/L) impairment. This parameter is being added to the 303(d) List. 1.05 mg/L 2014 (2.02 mg/L) Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.06 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.07 mg/L) Upper Kissimmee waterbody was previously listed as impaired on the Verified List for Nutrients 3 4 17-0394 Kissimmee River Orange 3169G6 Lake Richmond Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.05 mg/L) Planning Unit (TSI). However, Nutrients (TSI) is being removed from the 303(d) List per Rule AGM or if Chl-a AGM > 2012 (0.10 mg/L) 62-303.720(2)(L), F.A.C., because it is no longer assessed to determine 20 µg/L, TP AGM ≤ 2013 (0.09 mg/L) impairment. This parameter is being added to the 303(d) List. 0.03 mg/L 2014 (0.07 mg/L) Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TP AGM ≤ 0.09 mg/L; 2009 (0.11 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (0.08 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients Upper Kissimmee 3 4 17-0395 Kissimmee River Orange 3169G8 Lake Beardall Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.05 mg/L) (Historic TSI). However, Nutrients (Historic TSI) is being removed from the Planning Unit AGM or if Chl-a AGM > 2012 (0.05 mg/L) 303(d) List per Rule 62-303.720(2)(L), F.A.C., because it is no longer 20 µg/L, TP AGM ≤ 2013 (0.07 mg/L) assessed to determine impairment. This parameter is being added to the 0.03 mg/L 2014 (0.05 mg/L) 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM This waterbody is impaired for this parameter. The annual geometric means TN AGM ≤ 1.91 mg/L; 2009 (1.25 mg/L) exceeded the nutrient criteria more than once in a three-year period. This If Chl-a has Insufficient 2010 (1.31 mg/L) waterbody was previously listed as impaired on the Verified List for Nutrients Upper Kissimmee 3 4 17-0396 Kissimmee River Orange 3169Q Rock Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2011 (1.18 mg/L) (TSI) and Nutrients (Historic TSI). However, Nutrients (TSI) and Nutrients Planning Unit AGM or if Chl-a AGM > 2012 (1.05 mg/L) (Historic TSI) are being removed from the 303(d) List per Rule 62- 20 µg/L, TN AGM ≤ 2013 (1.12 mg/L) 303.720(2)(L), F.A.C., because they are no longer assessed to determine 1.05 mg/L 2014 (0.70 mg/L) impairment. This parameter is being added to the 303(d) List. Chl-a AGM ≤ 20 µg/L, AGM TP AGM ≤ 0.16 mg/L; 2009 (0.11 mg/L) If Chl-a has Insufficient 2010 (0.09 mg/L) This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 3 4 17-0397 Kissimmee River Orange 3169T Lake Sandy Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2011 (0.09 mg/L) exceeded the nutrient criteria more than once in a three-year period. This Planning Unit AGM or if Chl-a AGM > 2012 (0.10 mg/L) parameter is being added to the 303(d) List. 20 µg/L, TP AGM ≤ 2013 (0.11 mg/L) 0.05 mg/L 2014 (0.08 mg/L) Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2009 (0.94 mg/L) 3 4 17-0399 Kissimmee River Orange 3170I Lake Hickorynut Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2010 (0.96 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2014 (0.74 mg/L) 6 µg/L, TN AGM ≤ 0.51 mg/L Upper Kissimmee This WBID is impaired for fecal coliforms based on the number of 2 4 10-3189 Kissimmee River Orange 3170J Cypress Creek Blackwater 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/54 Planning Unit exceedances. Upper Kissimmee Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 4 17-0400 Kissimmee River Orange 3170J Upper Cypress Creek Stream 3F Lead Medium 10/21 Planning Unit 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. Upper Kissimmee 1 4 06-0547 Kissimmee River Osceola 3170K Davenport Creek Stream 3F Fecal Coliform > 400 counts per 100ml Medium 2011 PP = 7 / 49, Not impaired; VP = 7 / 39, Impaired. Planning Unit Chl-a AGM ≤ 6 µg/L, AGM TN AGM ≤ 0.93 mg/L; 2009 (0.78 mg/L) If Chl-a has Insufficient This waterbody is impaired for this parameter. The annual geometric means Upper Kissimmee 2010 (0.68 mg/L) 3 4 17-0401 Kissimmee River Orange 3170Q Lake Butler Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium exceeded the nutrient criteria more than once in a three-year period. This Planning Unit 2011 (0.64 mg/L) AGM or if Chl-a AGM > parameter is being added to the 303(d) List. 2013 (0.73 mg/L) 6 µg/L, TN AGM ≤ 0.51 2014 (0.31 mg/L) mg/L Upper Kissimmee Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 4 17-0402 Kissimmee River Orange 3171 Lake Hart Lake 3F Lead Medium 11/21 Planning Unit 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. Upper Kissimmee Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 4 17-0403 Kissimmee River Orange 3171A Lake Mary Jane Lake 3F Lead Medium 13/19 Planning Unit 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. Upper Kissimmee 1 4 06-0552 Kissimmee River Orange 3171C Red Lake Lake 3F Copper > e(0.854[lnH]-1.465) Medium 2011 PP = 7 / 8, Potentially impaired; VP = 20 / 23, Impaired. Planning Unit 3/16/2016: Avg CofC - Upper Kissimmee East Lake Tohopekaliga LVS C of C ≥ 2.5 and 1.6, FLEPPC - 64% This waterbody is impaired for this parameter based on failing linear 3 4 17-0404 Kissimmee River Orange, Osceola 3172C Stream 3F Nutrients (Macrophytes) Medium Planning Unit Drain LVS FLEPPC ≤ 25% 6/21/2016: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.7, FLEPPC - 83% Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 4/29/2014: Avg CofC - 0.5, FLEPPC - 60% 12/16/2014: Avg CofC - Upper Kissimmee Lake Tohopekaliga Drain LVS C of C ≥ 2.5 and 1.4, FLEPPC - 41% This waterbody is impaired for this parameter based on failing linear 3 4 17-0405 Kissimmee River Osceola 3173C Stream 3F Nutrients (Macrophytes) Medium Planning Unit (South Segment) LVS FLEPPC ≤ 25% 8/18/2015: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.5, FLEPPC - 56% 12/14/2015: Avg CofC - 1.0, FLEPPC - 45% AGM This waterbody is impaired for this parameter. The annual geometric means 2009 (0.13 mg/L) Upper Kissimmee Lake Tohopekaliga Drain exceeded the nutrient threshold more than once in a three-year period, and 3 4 17-0406 Kissimmee River Osceola 3173C Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2010 (0.14 mg/L) Planning Unit (South Segment) there is floral evidence indicating nonattainment of designated use. This 2014 (0.27 mg/L) parameter is being added to the 303(d) List. 2015 (0.13 mg/L) 4/10/2014: (less than 2 sq.m.) 10/30/2014: Avg CofC - Upper Kissimmee LVS C of C ≥ 2.5 and 2.0, FLEPPC - 53% This waterbody is impaired for this parameter based on failing linear 3 4 17-0407 Kissimmee River Osceola, Polk 3186A Kissimmee River Stream 3F Nutrients (Macrophytes) Medium Planning Unit LVS FLEPPC ≤ 25% 8/20/2015: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.8, FLEPPC - 59% 12/15/2015: Avg CofC - 2.3, FLEPPC - 42% Lower Kissimmee This WBID is impaired for fecal coliforms based on the number of 2 4 10-3204 Kissimmee River Highlands, Polk 3186D Eightmile Slough Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/25 Planning Unit exceedances. 2003 (16µg/L) 2004 (21 µg/L) This waterbody is verified as impaired for nutrients because annual average 2005 (17 µg/L) Lower Kissimmee chlorophyll-a values exceeded the listing threshold of 20 µg/L in 2004 and 2 4 10-3205 Kissimmee River Polk 3186E Packingham Slough Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2006 (16 µg/L) Planning Unit 2007–2009. TN and TP are co-limiting based on a median TN/TP ratio of 2007 (20 µg/L) 18.392 (n=237). 2008 (21 µg/L) 2009 (25 µg/L) This waterbody is verified as impaired for dissolved oxygen based on the Lower Kissimmee Biochemical Oxygen 2 4 10-3206 Kissimmee River Osceola 3186G Blanket Bay Slough Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L Medium 23/37 number of exceedances. Biochemical oxygen demand has been identified as Planning Unit Demand the causative pollutant. This waterbody is verified as impaired for nutrients because annual average 2004 (35 µg/L) Lower Kissimmee chlorophyll-a values exceeded the listing threshold of 20 µg/L in 2004 and 2 4 10-3207 Kissimmee River Osceola 3186G Blanket Bay Slough Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2009 (58 µg/L) Planning Unit 2009. TN and TP are co-limiting based on a median TN/TP ratio of 10.553 2010 (ID) (n=19). 3/15/2016: Avg CofC - Lower Kissimmee LVS C of C ≥ 2.5 and 2.0, FLEPPC - 55% This waterbody is impaired for this parameter based on failing linear 3 4 17-0408 Kissimmee River Osceola 3186G Blanket Bay Slough Stream 3F Nutrients (Macrophytes) Medium Planning Unit LVS FLEPPC ≤ 25% 6/20/2016: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 2.2, FLEPPC - 45% This waterbody is impaired for this parameter. The annual geometric means AGM Lower Kissimmee exceeded the nutrient threshold more than once in a three-year period, and 3 4 17-0409 Kissimmee River Osceola 3186G Blanket Bay Slough Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2009 (0.15 mg/L) Planning Unit there is floral evidence indicating nonattainment of designated use. This 2010 (0.21 mg/L) parameter is being added to the 303(d) List. This waterbody is verified as impaired for dissolved oxygen based on the Lower Kissimmee Kissimmee River Below S- Biochemical Oxygen 2 4 10-3208 Kissimmee River Highlands, Polk 3187D Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 12/23 number of exceedances. Biochemical oxygen demand has been identified as Planning Unit 65A Demand the causative pollutant. Lower Kissimmee This WBID is impaired for fecal coliforms based on the number of 2 4 10-3209 Kissimmee River Okeechobee 3188B Farm Area Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/24 Planning Unit exceedances. Exceeds Shellfish St. Lucie - Evaluation and 1 2 03-2651 Coastal St. Lucie 3190 North Coastal Estuary 3M Bacteria (in Shellfish) Medium 2008 Listed based on downgrade of shellfish harvesting classification. Loxahatchee Assessment Section thresholds. PP - Insufficient data to calculate any mean. VP - Impaired. 1 Chl-a annual mean exceeded the threshold. The annual mean Chl-a concentration was Lower Kissimmee 1 4 06-0524 Kissimmee River Okeechobee 3192C Oak Creek Stream 3F Nutrients Nutrients (Chlorophyll-a) TN = 3.03 mg/L High 2005 26.78 µg/L. 12 TN values, Median 1.94 mg/L, 11 TP values, Median 0.23 Planning Unit mg/L. The community is nitrogen limited based on a Median TN/TP ratio of 7.9 calculated from 11 TN/TP ratios. This waterbody is verified as impaired for dissolved oxygen based on the Lower Kissimmee Total Nitrogen, Biochemical 2 4 10-3210 Kissimmee River Okeechobee 3192C Oak Creek Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L Medium 18/25 number of exceedances. Total nitrogen and biochemical oxygen demand Planning Unit Oxygen Demand have been identified as the causative pollutants. Lower Kissimmee This WBID is impaired for fecal coliforms based on the number of 2 4 10-3211 Kissimmee River Okeechobee 3192C Oak Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 6/25 Planning Unit exceedances. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Based on further analysis by DEP to Lower Kissimmee 3 4 17-0410 Kissimmee River Okeechobee 3192C Oak Creek Stream 3F Iron ≤ 1.0 mg/L Medium 10/17 investigate whether or not the impairment is due to natural conditions, Planning Unit anthropogenic sources could not be ruled out as the cause of the impairment and therefore this parameter is being added to the 303(d) List. AGM 2009 (0.23 mg/L) This waterbody is impaired for this parameter. The annual geometric means Lower Kissimmee 2010 (0.36 mg/L) exceeded the nutrient threshold more than once in a three-year period, and 3 4 17-0411 Kissimmee River Okeechobee 3192C Oak Creek Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium Planning Unit 2013 (0.15 mg/L) there is floral evidence indicating nonattainment of designated use. This 2014 (0.29 mg/L) parameter is being added to the 303(d) List. 2016 (0.12 mg/L) This waterbody is impaired for this parameter based on the number of St. Lucie - exceedances for the sample size and anthropogenic sources have been 4 2 20-0375 Coastal Martin 3193 St Lucie River Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 49/326 Loxahatchee identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. 2001 (0 days) 2002 (6 days) 2003 (0 days) St. Lucie - < 21 days of beach No Beach advisories in 2000, 2001, 2003, 2006 or 2007. 6 advisory days in 2 2 09-1702 Coastal Martin 3193A Roosevelt Bridge Beach 3M Bacteria (Beach Advisories) High 2004 (91 days) Loxahatchee advisories 2002, 91 advisory days in 2004 and 223 in 2005. 2005 (223 days) 2006 (0 days) 2007 (0 days) St. Lucie - 1 2 03-2656 North St. Lucie St. Lucie 3194 North St.Lucie Estuary 3M Copper Cu > 3.7 µg/L Medium 2008 PP - 3/3 Potentially Impaired; VP - 20/54 Verified Loxahatchee Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of St. Lucie - St Lucie River (North exceedances for the sample size and anthropogenic sources have been 4 2 20-0376 North St. Lucie St. Lucie 3194 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 10/30 Loxahatchee Fork) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. St. Lucie - 1 2 03-2660 North St. Lucie Martin, St. Lucie 3194B St. Lucie Estuary 3M Copper Cu > 3.7 µg/L Medium 2008 PP - 2/11 Not Impaired; VP - 25/58 Verified Loxahatchee Potential sources may include agrochemicals, fungicides, algaecides, soil St. Lucie - Cu ≤ e(0.8545[lnH]- erosion, vehicle brake pads, roof runoff, etc based on the report "Land Use 2 2 09-1732 North St. Lucie Martin, St. Lucie 3194C Savannas Lake 3F Copper Medium 21/70 Loxahatchee 1.702) µg/L Changes and Water Quality Impacts: Copper Contamination in St. Lucie Estuary, Florida." This waterbody is impaired for this parameter based on the number of St. Lucie - exceedances for the sample size and anthropogenic sources have been 4 2 20-0377 North St. Lucie St. Lucie 3194D Fivemile Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/23 Loxahatchee identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Northwest Lake 2003 (21 µg/L) This parameter is impaired because annual average chlorophyll-a values 2 4 10-3083 Fisheating Creek Okeechobee Highlands 3198 C-41A Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2004 (26 µg/L) exceeded the 20 µg/L threshold in 2003, 2004 and 2009. Based on median Planning Unit 2009 (33 µg/L) TN/TP ratio of 21.25, TN and TP were identified as co-limiting nutrients. 3/4/2013: Avg CofC - 3.0, FLEPPC - 25% Northwest Lake LVS C of C ≥ 2.5 and 5/22/2014: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 4 17-0291 Fisheating Creek Okeechobee Highlands 3198 C-41A Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 0.0, FLEPPC - 100% vegetation survey results. This parameter is being added to the 303(d) List. Planning Unit 11/6/2014: Avg CofC - 0.1, FLEPPC - 97% PP = 145 / 148; VP = 91 / 99 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (2.2 mg/L) exceeded the Nutrients (added from 2 1 09-2072 Lake Okeechobee CTP Complex Okeechobee 3199A Turkey Slough Stream 3F Dissolved Oxygen < 5.0 mg/l Medium threshold of 1.6 mg/L. TP (0.75 mg/L) exceeded the threshold of 0.22 mg/L. comments) TN/TP median = 2.8 standard deviation of 2.2, range of 1.26 - 12.2, observations 122. New listing from Cycle 2. PP = 39 / 45; VP = 25 / 38 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (3.1 mg/L) exceeded the threshold of Chandler Hammock Nutrients (added from 1.6 mg/L. TP (1.2 mg/L) exceeded the threshold of 0.22. BOD (4.65 mg/L) 2 1 09-2073 Lake Okeechobee CTP Complex Okeechobee 3199B Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l Low Slough comments) exceeded the threshold of 2.0 mg/L and had 6 observations. TN/TP median = 2.3, standard deviation of 2.5, range 1.1 -12.1, observations 44. A TMDL has already been proposed by EPA, 9/30/2006. The annual average Chl-a value exceeded the IWR threshold of 20 µg/L in 2006 (60.87 µg/L). TP (1.20 mg/L) exceeded the threshold of 0.22 mg/L. Data Chandler Hammock 2 1 09-2074 Lake Okeechobee CTP Complex Okeechobee 3199B Stream 3F Nutrients Nutrients (Chlorophyll-a) Median TN = 3.10 mg/L Low indicate that the WBID is nitrogen limited (TN/TP median = 2.34, standard Slough deviation of 2.48, range 1.09 -12.13, observations 44). A TMDL has already been proposed by EPA, 9/30/2006. Chandler Hammock This parameter is impaired for this waterbody based on the number of 3 1 13-0236 Lake Okeechobee CTP Complex Okeechobee 3199B Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/21 Slough exceedances for the sample size and is being added to the 303(d) list. AGM This waterbody is impaired for this parameter. The annual geometric means 2012 (2.27 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Chandler Hammock 2013 (2.47 mg/L) 4 1 19-0502 Lake Okeechobee CTP Complex Okeechobee 3199B Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Slough 2014 (2.69 mg/L) parameter is being added to the Verified List and the department is requesting 2015 (2.04 mg/L) EPA add it to the 303(d) List. 2017 (2.52 mg/L) AGM This waterbody is impaired for this parameter. The annual geometric means 2012 (1.00 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Chandler Hammock 2013 (0.63 mg/L) 4 1 19-0503 Lake Okeechobee CTP Complex Okeechobee 3199B Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium is biological evidence indicating non-attainment of the designated use. This Slough 2014 (0.34 mg/L) parameter is being added to the Verified List and the department is requesting 2015 (0.60 mg/L) EPA add it to the 303(d) List. 2017 (0.85 mg/L) 5/5/2014: Avg CofC - Fisheating Creek LVS C of C ≥ 2.5 and 1.3, FLEPPC - 50% This waterbody is impaired for this parameter based on failing linear 3 4 17-0292 Fisheating Creek Highlands 3201G Joe Slough Stream 3F Nutrients (Macrophytes) Medium Planning Unit LVS FLEPPC ≤ 25% 12/1/2014: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 2.3, FLEPPC - 38% AGM This waterbody is impaired for this parameter. The annual geometric means Fisheating Creek 2014 (2.15 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 4 17-0293 Fisheating Creek Highlands 3201G Joe Slough Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium Planning Unit 2015 (2.63 mg/L) there is biological evidence indicating non attainment of designated use. This 2016 (1.85 mg/L) parameter is being added to the 303(d) List. 7/8/2014: Avg CofC - 1.8, FLEPPC - 44% Fisheating Creek LVS C of C ≥ 2.5 and 1/14/2015: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 4 17-0294 Fisheating Creek Highlands 3201I Platt Branch Stream 3F Nutrients (Macrophytes) Medium Planning Unit LVS FLEPPC ≤ 25% 1.5, FLEPPC - 36% vegetation survey results. This parameter is being added to the 303(d) List. 10/27/2015: Avg CofC - 0.9, FLEPPC - 53% AGM 2010 (0.31 mg/L) 2011 (0.27 mg/L) This waterbody is impaired for this parameter. The annual geometric means Fisheating Creek 2012 (0.27 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 4 17-0295 Fisheating Creek Highlands 3201I Platt Branch Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium Planning Unit 2013 (0.26 mg/L) there is biological evidence indicating non attainment of designated use. This 2014 (0.26 mg/L) parameter is being added to the 303(d) List. 2015 (0.33 mg/L) 2016 (0.35 mg/L) PP=929/1171; VP=501/648 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (1.8 mg/L) exceeded the Nutrients (added from threshold of 1.6 mg/L. TP (0.35 mg/L) exceed the threshold of 0.22 mg/L. BOD 2 1 09-2079 Lake Okeechobee NHLMS Complex Okeechobee 3203A Nubbin Slough Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l Low comments) (2.0 mg/L) did not exceed the threshold of 2.0 mg/L and had 22 observations. TN/TP median = 4.6, standard deviation 3.9, range 1.85 - 38.8, observations 356. A TMDL has been proposed by EPA, 9/30/2006. 2 1 09-2080 Lake Okeechobee NHLMS Complex Okeechobee 3203A Nubbin Slough Stream 3F Coliforms Fecal Coliform > 400 Counts/100 ml Medium PP=2/10; VP=7/29

This waterbody is impaired for this parameter based on the number of 4 1 19-0504 Lake Okeechobee NHLMS Complex Okeechobee 3203B Mosquito Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 14/20 exceedances for the sample size. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 PP=11/13; VP=32/51 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. The annual average Chl-a value exceeded Nutrients (added from the threshold in 2006 (23.9 µg/L). BOD (2.0 mg/L) did not exceed the 2 1 09-2095 Lake Okeechobee TOL Complex Okeechobee 3203C L63 Canal Stream 3F Dissolved Oxygen < 5.0 mg/l Medium comments) threshold of 2.0 mg/L and had 35 observations. TN/TP median = 68.8, standard deviation of 66.9, range 2.4 - 225.7, observations 122. New listing from Cycle 2. The annual average Chl-a value exceeded the threshold of 20.0 µg/L in 2006 (23.92 µg/L). TN (0.67 mg/L) did not exceed the threshold of 1.6 mg/L. Data indicate that the WBID is phosphorous limited. TN/TP median = 68.75, 2 1 09-2096 Lake Okeechobee TOL Complex Okeechobee 3203C L63 Canal Stream 3F Nutrients (Chlorophyll-a) Median TP = 0.01 mg/L Medium standard deviation of 66.96, range 2.42 - 225.7, observations 122. New listing from Cycle 2. Nutrient concentrations are very low. Therefore, elevated chlorophyll may be due to standing water behind the flow-way to the lake. PP - Not impaired; VP - Verified impaired. Annual Average Chl-a (µg/L) value Northwest Lake TN = 2.54 mg/L; TP = exceeded 20 µg/L in 2004 (60.59). 377 TN values, Median 1.87 mg/L. 378 TP 1 4 06-0676 Fisheating Creek Okeechobee Glades, Highlands 3204 Harney Pond Canal Stream 3F Nutrients Nutrients (Chlorophyll-a) Low 2010 0.20 mg/L values, Median 0.13 mg/L. Waterbody is co-limited by nitrogen and Planning Unit phosphorus based on the Median TN/TP ratio of 13.35 (377 values). 3/4/2013: Avg CofC - 0.4, FLEPPC - 70% 4/24/2014: (less than 2 Northwest Lake LVS C of C ≥ 2.5 and sq.m.) This waterbody is impaired for this parameter based on failing linear 3 4 17-0296 Fisheating Creek Okeechobee Glades, Highlands 3204 Harney Pond Canal Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 10/29/2014: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. Planning Unit 1.0, FLEPPC - 57% 1/13/2016: Avg CofC - 0.1, FLEPPC - 100% AGM 2009 (2.39 mg/L) This waterbody is impaired for this parameter. The annual geometric means Northwest Lake 2012 (1.95 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 4 17-0297 Fisheating Creek Okeechobee Glades, Highlands 3204 Harney Pond Canal Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium 2013 (2.57 mg/L) there is biological evidence indicating non attainment of designated use. This Planning Unit 2014 (2.00 mg/L) parameter is being added to the 303(d) List. 2015 (1.77 mg/L) AGM 2009 (0.20 mg/L) 2010 (0.18 mg/L) This waterbody is impaired for this parameter. The annual geometric means Northwest Lake 2011 (0.24 mg/L) exceeded the nutrient threshold more than once in a three year period, and 3 4 17-0298 Fisheating Creek Okeechobee Glades, Highlands 3204 Harney Pond Canal Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2012 (0.27 mg/L) there is biological evidence indicating non attainment of designated use. This Planning Unit 2013 (0.36 mg/L) parameter is being added to the 303(d) List. 2014 (0.29 mg/L) 2015 (0.27 mg/L) This waterbody is impaired for this parameter based on the number of Taylor Creek (Lower Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 4 1 19-0505 Lake Okeechobee TOL Complex Okeechobee 3205B Stream 3F Nutrients ≥ 38 % Medium 24/125 Segment) Saturation) causative pollutant. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Taylor Creek (Lower 4 1 19-0506 Lake Okeechobee TOL Complex Okeechobee 3205B Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 5/17 samples can be used to identify a waterbody as impaired if there are at least Segment) five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Taylor Creek (Lower 4 1 19-0507 Lake Okeechobee TOL Complex Okeechobee 3205B Stream 3F Iron ≤ 1.0 mg/L Medium 9/53 exceedances for the sample size. This parameter is being added to the Segment) Verified List and the department is requesting EPA add it to the 303(d) List. AGM This waterbody is not impaired for this parameter because the annual 2015 (25 µg/L) geometric means did not exceed the nutrient threshold more than once in a Taylor Creek (Lower 4 1 19-0508 Lake Okeechobee TOL Complex Okeechobee 3205B Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2016 (19 µg/L) three year period. WBID 3205B is being added to the Verified List and the Segment) 2017 (18 µg/L) department is requesting EPA add it to the 303(d) List based on previous 2018 (47 µg/L) impairment for retired WBID 3205. AGM 2011 (1.93 mg/L) 2012 (1.88 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (1.57 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Taylor Creek (Lower 4 1 19-0509 Lake Okeechobee TOL Complex Okeechobee 3205B Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium 2014 (1.74 mg/L) is biological evidence indicating non-attainment of the designated use. This Segment) 2015 (1.78 mg/L) parameter is being added to the Verified List and the department is requesting 2016 (1.89 mg/L) EPA add it to the 303(d) List. 2017 (2.11 mg/L) 2018 (1.92 mg/L) AGM 2011 (0.19 mg/L) 2012 (0.18 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (0.13 mg/L) exceeded the nutrient criteria more than once in a three year period, and there Taylor Creek (Lower 4 1 19-0510 Lake Okeechobee TOL Complex Okeechobee 3205B Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2014 (0.18 mg/L) is biological evidence indicating non-attainment of the designated use. This Segment) 2015 (0.15 mg/L) parameter is being added to the Verified List and the department is requesting 2016 (0.20 mg/L) EPA add it to the 303(d) List. 2017 (0.26 mg/L) 2018 (0.22 mg/L) PP=40/41; VP=116/151 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (1.8 mg/L) exceeded the threshold of Nutrients (added from 1.6 mg/L. TP (0.3 mg/L) exceeded the threshold of 0.22mg/L. BOD (2.0 mg/L) 2 1 09-2076 Lake Okeechobee CTP Complex Okeechobee 3205C Popash Slough Stream 3F Dissolved Oxygen < 5.0 mg/l Medium comments) did not exceed the threshold of 2.0 mg/L and had 22 observations. TN/TP median = 6.29, standard deviation 13.35, range 0.22 - 65.2, observations 34. New listing from Cycle 2. This parameter is impaired for this waterbody based on the number of 3 1 13-0238 Lake Okeechobee CTP Complex Okeechobee 3205C Popash Slough Stream 3F Iron ≤ 1.0 mg/L Medium 13/31 exceedances for the sample size and is being added to the 303(d) list. PP=457/574; VP=402/503 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (1.9 mg/L) exceeded the threshold of Nutrients (added from 1.6 mg/L. TP (0.54mg/L) exceeded the threshold of 0.22. BOD (2.0 mg/L) 2 1 09-2100 Lake Okeechobee TOL Complex Okeechobee 3205D Otter Creek Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l Low comments) exceeded the threshold of 2.0 mg/L and had 51 observations. TN/TP median = 4.1, standard deviation of 8.02, range of 0.66 - 138.7, observations 412. A TMDL has been proposed by EPA, 9/30/2006. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of St. Lucie - 4 2 20-0379 Coastal Martin 3208C Manatee Pocket Estuary 3M Copper ≤ 3.7 µg/L Medium 7/7 exceedances for the sample size. This parameter is being added to the Loxahatchee Verified List and the department is requesting EPA add it to the 303(d) List. AGM This waterbody is impaired for this parameter because the annual geometric Insufficient Data St. Lucie - ENRZ6: AGM ≤ 5.9 means exceeded the criteria more than once in a three year period. This 4 2 20-0380 Coastal Martin 3208C Manatee Pocket Estuary 3M Nutrients (Chlorophyll-a) Medium ENRZ6 (AGM) Loxahatchee µg/L parameter is being added to the Verified List and the department is requesting 2017 (13.1 µg/L) EPA add it to the 303(d) List. 2018 (10.1 µg/L) St. Lucie - South St. Lucie - 1 2 03-2672 Martin 3210 Tidal St.Lucie Estuary 3M Copper Cu > 3.7 µg/L Medium 2008 PP - 0/2 Insufficient Data; VP - 8/25 Verified Loxahatchee Indian River Lagoon St. Lucie - South St. Lucie - 1 2 04-0806 Martin 3210A St. Lucie Canal Estuary 3M Copper Cu > 3.7 µg/L Medium 2008 PP - No Data; VP - 22/36 Verified Loxahatchee Indian River Lagoon This waterbody is impaired for this parameter based on the number of St. Lucie - South St. Lucie - exceedances for the sample size and anthropogenic sources have been 4 2 20-0381 Martin 3210A St Lucie Canal Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 15/83 Loxahatchee Indian River Lagoon identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of St. Lucie - South St. Lucie - South Fork St Lucie River exceedances for the sample size and anthropogenic sources have been 4 2 20-0382 Martin 3210C Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 11/52 Loxahatchee Indian River Lagoon (Tidal Segment) identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty St. Lucie - South St. Lucie - 4 2 20-0383 Martin 3210E Roebuck Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 12/16 samples can be used to identify a waterbody as impaired if there are at least Loxahatchee Indian River Lagoon five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. St. Lucie - South St. Lucie - 1 2 04-0847 Martin 3211 Bessey Creek Estuary 3M Copper Cu > 3.7 µg/L Medium 2008 PP - No Data; VP - 16/29 Verified Loxahatchee Indian River Lagoon This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been St. Lucie - South St. Lucie - identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0384 Martin 3211 Bessey Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 8/15 Loxahatchee Indian River Lagoon waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. PP=53/132; VP=10/30 Natural condition documentation insufficient for EPA Glades, 2 1 10-0616 Lake Okeechobee Lake Okeechobee 3212A Lake Okeechobee Lake 1 Iron ≤ 1.0 mg/L Low approval, therefore this will be assessed as impaired and added to the 303(d) Okeechobee list. A TMDL has been proposed by EPA, 2/23/2005. Glades, Martin, PP=87/195; VP=11/15 Natural condition documentation insufficient for EPA 2 1 10-0618 Lake Okeechobee Lake Okeechobee Okeechobee, Palm 3212D Lake Okeechobee Lake 1 Iron Iron ≤ 1.0 mg/L Low approval, therefore this will be assessed as impaired and added to the 303(d) Beach list. A TMDL has been proposed by EPA, 2/23/2005. Martin, PP=90/100; VP=30/30 Natural condition documentation insufficient for EPA 2 1 10-0619 Lake Okeechobee Lake Okeechobee Okeechobee, Palm 3212E Lake Okeechobee Lake 1 Iron Iron ≤ 1.0 mg/L Low approval, therefore this will be assessed as impaired and added to the 303(d) Beach list. A TMDL has been proposed by EPA, 2/23/2005. PP=81/160; VP=11/20 Natural condition documentation insufficient for EPA Glades, Hendry, 2 1 10-0620 Lake Okeechobee Lake Okeechobee 3212F Lake Okeechobee Lake 1 Iron ≤ 1.0 mg/L Low approval, therefore this will be assessed as impaired and added to the 303(d) Palm Beach list. A TMDL has been proposed by EPA, 2/23/2005. This parameter is impaired for this waterbody based on the number of 3 1 13-0239 Lake Okeechobee Lake Okeechobee Palm Beach 3212G Lake Okeechobee Lake 1 Iron Iron < 1.0 mg/L Medium 20/52 exceedances for the sample size and is being added to the Verified List. PP=41/101; VP=9/22 Natural condition documentation insufficient for EPA 2 1 10-0621 Lake Okeechobee Lake Okeechobee Hendry, Palm Beach 3212H Lake Okeechobee Lake 1 Iron ≤ 1.0 mg/L Low approval, therefore this will be assessed as impaired and added to the 303(d) list. A TMDL has been proposed by EPA, 2/23/2005. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 PP=168/222; VP=118/155 Impaired by the IWR threshold and nutrients are found to be the causative pollutant. TN (1.9 mg/L) exceeded the threshold of Nutrients (added from 1.6 mg/L. TP (0.44 mg/L) exceeded the threshold of 0.22 mg/L. BOD (2.0 2 1 09-2084 Lake Okeechobee NHLMS Complex Martin, Okeechobee 3213A Lettuce Creek Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l Low comments) mg/L) did not exceed the threshold of 2.0 mg/L and had 22 observations. TN/TP median = 4.4, standard deviation 2.64, range 1.07 - 21.8, observations 181. A TMDL has already been re-proposed by EPA, 9/30/2006. This parameter is impaired for this waterbody based on the number of 3 1 13-0240 Lake Okeechobee NHLMS Complex Martin, Okeechobee 3213A Lettuce Creek Stream 3F Iron ≤ 1.0 mg/L Medium 8/32 exceedances for the sample size and is being added to the 303(d) list. PP=185/236; VP=91/110 Impaired by the IWR threshold and nutrients are found to be the causative pollutant. TN (1.9 mg/L) exceeded the threshold of Okeechobee, St. Nutrients (added from 1.6 mg/L. TP (0.46 mg/L) exceeded the threshold of 0.22 mg/L. BOD (2.0 2 1 09-2086 Lake Okeechobee NHLMS Complex 3213B Henry Creek Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l Low Lucie comments) mg/L) did not exceed the threshold of 2.0 mg/L and had 16 observations. TN/TP median = 3.8, standard deviation 3.2, range 1.03 - 23.1, observations 132. A TMDL has already been re-proposed by EPA, 9/30/2006. Okeechobee, St. This parameter is impaired for this waterbody based on the number of 3 1 13-0241 Lake Okeechobee NHLMS Complex 3213B Henry Creek Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 8/30 Lucie exceedances for the sample size and is being added to the Verified List. Okeechobee, St. This parameter is impaired for this waterbody based on the number of 3 1 13-0242 Lake Okeechobee NHLMS Complex 3213B Henry Creek Stream 3F Iron ≤ 1.0 mg/L Medium 9/30 Lucie exceedances for the sample size and is being added to the 303(d) list. PP = 180 / 206; VP = 81 / 99 Impaired by the IWR threshold and nutrients are found to be the causative pollutant. TN (1.9 mg/L) exceeded the threshold Nutrients (added from of 1.6 mg/L. TP (0.7 mg/L) exceeded the threshold of 0.22mg/L. BOD (3.05 2 1 09-2090 Lake Okeechobee NHLMS Complex Martin, St. Lucie 3213D Myrtle Slough Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l Low comments) mg/L) exceeded the threshold of 2.0 mg/L and had 12 observations. TN/TP median = 5.5, standard deviation 4.07, range 2.46 - 14.3, observations 14. A TMDL has already been re-proposed by EPA, 9/30/2006. The annual average Chl-a value exceeded the IWR threshold of 20 µg/L in 2006 (59.73 µg/L). TP (0.07 mg/L) exceeded the threshold of 0.22 mg/L. Data 2 1 09-2091 Lake Okeechobee NHLMS Complex Martin, St. Lucie 3213D Myrtle Slough Stream 3F Nutrients Nutrients (Chlorophyll-a) Median TN = 1.96 mg/L Low indicate that the WBID is nitrogen limited (TN/TP median = 5.45, standard deviation 4.07, range 2.46 - 14.36, observations 14). A TMDL has already been re-proposed by EPA, 9/30/2006. This parameter is impaired for this waterbody based on the number of 3 1 13-0243 Lake Okeechobee NHLMS Complex Martin, St. Lucie 3213D Myrtle Slough Stream 3F Iron ≤ 1.0 mg/L Medium 8/30 exceedances for the sample size and is being added to the 303(d) list. St. Lucie - South St. Lucie - This waterbody is impaired for this parameter based on the number of 3 2 15-0818 Martin 3215 Danforth Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Medium 5/14 Loxahatchee Indian River Lagoon exceedances for the sample size and is being added to the 303(d) List. PP = 10 / 10; VP = 21 / 29 Impaired by the IWR threshold and nutrients are found to be the causative pollutant. TN (2.13 mg/L) exceeded the threshold of Nutrients (added from 1.6 mg/L. TP (0.3 mg/L) exceeded the threshold of 0.22mg/L. BOD (3.3 mg/L) 2 1 09-2092 Lake Okeechobee NHLMS Complex Martin 3219 S-153 Stream 3F Dissolved Oxygen < 5.0 mg/l Medium comments) exceeded the threshold of 2.0 mg/L and had 19 observations. TN/TP median = 7.84, standard deviation of 3.5, range, 2.16 - 16.3, observations 27. New listing from Cycle 2. 2/26/2013: Avg CofC - 1.0, FLEPPC - 43% Northwest Lake LVS C of C ≥ 2.5 and 4/23/2014: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 4 17-0301 Fisheating Creek Okeechobee Glades 3222 L-49 Stream 3F Nutrients (Macrophytes) Medium LVS FLEPPC ≤ 25% 1.2, FLEPPC - 44% vegetation survey results. This parameter is being added to the 303(d) List. Planning Unit 9/25/2014: Avg CofC - 0.8, FLEPPC - 57% ENRAA1 (AGM) 2012 (2.1 µg/L) This waterbody is impaired for this parameter because the annual geometric 2013 (1.9 µg/L) St. Lucie - ENRAA1: AGM ≤ 2 means exceeded the criteria more than once in a three year period. This 4 2 20-0385 Coastal Martin,Palm Beach 3226B ICWW (Martin County) Estuary 3M Nutrients (Chlorophyll-a) Medium 2014 (2.8 µg/L) Loxahatchee µg/L parameter is being added to the Verified List and the department is requesting 2015 (3.6 µg/L) EPA add it to the 303(d) List. 2016 (2.0 µg/L) 2017 (1.6 µg/L) Lake Worth Lagoon This waterbody is impaired for this parameter based on the number of Lake Worth Lagoon 3 3 16-0534 - Palm Beach Intracoastal Palm Beach 3226E1 Estuary 3M Copper ≤ 3.7 µg/L Medium 13/35 exceedances for the sample size. This parameter is being added to the 303(d) (Northern Segment) Coast List. ENRR1: AGM 2008 (2.1 µg/L) 2009 (1.6 µg/L) Lake Worth Lagoon 2010 (2.0 µg/L) This waterbody is impaired for this parameter because the annual geometric Lake Worth Lagoon ENRR1: AGM ≤ 2.9 3 3 16-0535 - Palm Beach Intracoastal Palm Beach 3226E1 Estuary 3M Nutrients (Chlorophyll-a) Medium 2011 (1.7 µg/L) means exceeded the criterion more than once in a three year period. This (Northern Segment) µg/L Coast 2012 (2.8 µg/L) parameter is being added to the 303(d) List. 2013 (3.1 µg/L) 2014 (3.2 µg/L) 2015 (1.9 µg/L) 2002 (0 days) 2003 (2 days) Lake Worth Lagoon 2004 (105 days) Intracoastal < 21 days of beach This waterbody is impaired because of beach advisories ≥ 21 days/yr in 2004 2 3 10-0084 - Palm Beach Palm Beach 3226EB Phil Foster Beach 3M Bacteria (Beach Advisories) High 2005 (35 days) Waterway advisories and 2005.^ Coast 2006 (6 days) 2007 (1 days) 2008 (0 days) Lake Worth Lagoon This waterbody is impaired for this parameter based on the number of Lake Worth Lagoon 3 3 16-0536 - Palm Beach Intracoastal Palm Beach 3226F1 Estuary 3M Copper ≤ 3.7 µg/L Medium 6/22 exceedances for the sample size. This parameter is being added to the 303(d) (Central Segment) Coast List. Lake Worth Lagoon This waterbody is impaired for this parameter based on the number of Lake Worth Lagoon ENRR2: PCT ≤ 10.2 ENRR2 (PCT) 3 3 16-0537 - Palm Beach Intracoastal Palm Beach 3226F1 Estuary 3M Nutrients (Chlorophyll-a) Medium exceedances for the sample size. This parameter is being added to the 303(d) (Central Segment) µg/L 68/412 Coast List. ENRR2: AGM 2008 (0.023 mg/L) 2009 (0.035 mg/L) Lake Worth Lagoon 2010 (0.033 mg/L) This waterbody is impaired for this parameter because the annual geometric Lake Worth Lagoon ENRR2: AGM ≤ 0.049 3 3 16-0538 - Palm Beach Intracoastal Palm Beach 3226F1 Estuary 3M Nutrients (Total Phosphorus) Medium 2011 (0.026 mg/L) means exceeded the criterion more than once in a three year period. This (Central Segment) mg/L Coast 2012 (0.028 mg/L) parameter is being added to the 303(d) List. 2013 (0.032 mg/L) 2014 (0.056 mg/L) 2015 (0.052 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Lake Worth Lagoon Intracoastal PP = 1 / 6 Insufficient data; VP = 9/ 48 Impaired. VP data have been updated 1 3 05-1170 - Palm Beach Palm Beach 3226F2 ICWW Above Pompano Estuary 3M Copper > 3.7 mg/L Medium 2010 Waterway using IWR Run 20.0. Coast Lake Worth Lagoon This waterbody is impaired for this parameter based on planning period data ICWW (Palm Beach 3 3 16-0539 - Palm Beach Intracoastal Palm Beach 3226F3 Estuary 3M Copper ≤ 3.7 µg/L Medium No Data and is being added to the 303(d) List. This WBID was created from the retired County) Coast WBID 3226F that was on the Verified List for this parameter. Lake Worth Lagoon This waterbody is impaired for this parameter based on planning period data North Broward County 3 3 16-0540 - Palm Beach Intracoastal Broward 3226F4 Estuary 3M Copper ≤ 3.7 µg/L Medium 0/2 and is being added to the 303(d) List. This WBID was created from the retired ICWW Coast WBID 3226F that was on the Verified List for this parameter. Southeast Coast - Biscayne Bay ICWW (Broward County Impaired based on number of exceedances. This will be added to the 303(d) 2 4 10-2834 Broward 3226G1 Estuary 3M Copper ≤ 3.7 µg/L Medium 23/34 Biscayne Bay Intracoastal Northern Segment) list. Southeast Coast - Biscayne Bay ICWW (Broward County Impaired based on number of exceedances. This will be added to the 303(d) 2 4 10-2835 Broward 3226G2 Estuary 3M Copper ≤ 3.7 µg/L Medium 24/34 Biscayne Bay Intracoastal Central Segment) list. Southeast Coast - Biscayne Bay Broward, Miami- ICWW (Broward County Impaired based on number of exceedances. This will be added to the 303(d) 2 4 10-2836 3226G3 Estuary 3M Copper ≤ 3.7 µg/L Medium 23/47 Biscayne Bay Intracoastal Dade Southern Segment) list. AGM (11 µg/L) 2010 (3 µg/l) 2011 (2 µg/l) 2012 (1 µg/l) 2013 (2 µg/l) 2014 (3 µg/l) 2015 (3 µg/l) ENRH5 (AGM) 2009 (1.3 µg/L) ENRH5: AGM ≤ 1.7 2010 (2.6 µg/L) µg/L 2011 (2.3 µg/L) This waterbody is impaired for this parameter because the annual geometric Southeast Coast - Biscayne Bay ICWW (Miami-Dade 3 4 17-0426 Miami-Dade 3226H Estuary 3M Nutrients (Chlorophyll-a) ENRH9: AGM ≤ 1.1 Medium 2012 (2.2 µg/L) means exceeded the criterion more than once in the most recent consecutive Biscayne Bay Intracoastal County) µg/L 2013 (2.1 µg/L) three year period. This parameter is being added to the 303(d) List. AGM ≤ 11 µg/L 2014 (2.3 µg/L) 2015 (2.2 µg/L) ENRH9 (AGM) 2009 (0.3 µg/L) 2010 (1.1 µg/L) 2011 (0.9 µg/L) 2012 (0.8 µg/L) 2013 (1.5 µg/L) 2014 (2.0 µg/L) 2015 (2.1 µg/L) AGM (11 µg/L) 2016 (1 µg/l) ENRH5 (AGM) 2009 (1.7 µg/L) ENRH5: AGM ≤ 1.7 This waterbody is impaired for this parameter because the annual geometric Southeast Coast - Biscayne Bay ICWW (Miami-Dade 2010 (3.8 µg/L) 3 4 17-0427 Miami-Dade 3226H1 Estuary 3M Nutrients (Chlorophyll-a) µg/L Medium means exceeded the criterion more than once in the most recent consecutive Biscayne Bay Intracoastal County Northern Segment) 2011 (3.4 µg/L) AGM ≤ 11 µg/L three year period. This parameter is being added to the 303(d) List. 2012 (2.2 µg/L) 2013 (3.3 µg/L) 2014 (4.4 µg/L) 2015 (4.0 µg/L) ENRH5 (AGM) 2009 (0.32 mg/L) 2010 (0.54 mg/L) This waterbody is impaired for this parameter because the annual geometric Southeast Coast - Biscayne Bay ICWW (Miami-Dade ENRH5: AGM ≤ 0.30 2011 (0.27 mg/L) 3 4 17-0428 Miami-Dade 3226H1 Estuary 3M Nutrients (Total Nitrogen) Medium means exceeded the criterion more than once in the most recent consecutive Biscayne Bay Intracoastal County Northern Segment) mg/L 2012 (0.38 mg/L) three year period. This parameter is being added to the 303(d) List. 2013 (0.35 mg/L) 2014 (0.30 mg/L) 2015 (0.35 mg/L) ENRH9 (AGM) 2009 (0.4 µg/L) 2010 (0.7 µg/L) This waterbody is impaired for this parameter because the annual geometric Southeast Coast - Biscayne Bay ENRH9: AGM ≤ 1.1 2011 (0.6 µg/L) 3 4 17-0429 Miami-Dade 3226H3 Port of Miami Estuary 3M Nutrients (Chlorophyll-a) Medium means exceeded the criterion more than once in the most recent consecutive Biscayne Bay Intracoastal µg/L 2012 (0.8 µg/L) three year period. This parameter is being added to the 303(d) List. 2013 (1.0 µg/L) 2014 (1.2 µg/L) 2015 (1.7 µg/L) Southeast Coast - Biscayne Bay Oleta River (Upper Impaired based on number of exceedances. This will be added to the 303(d) 2 4 10-2837 Miami-Dade 3226L Estuary 3M Fecal Coliform ≤ 400 Counts / 100 mL Low 47/95 Biscayne Bay Intracoastal Segment) list. Southeast Coast - 1 4 06-0649 North Dade County Miami-Dade 3226M2 Upper Arch Creek Stream 3F Fecal Coliform > 400 counts per 100ml Medium 2011 PP = 72 / 75; VP = 27 / 27 Biscayne Bay Lake Worth Lagoon This waterbody is impaired for this parameter based on the number of ICWW above Royal Palm 3 3 16-0541 - Palm Beach Intracoastal Palm Beach 3226W1 Estuary 3M Copper ≤ 3.7 µg/L Medium 15/22 exceedances for the sample size. This parameter is being added to the 303(d) Bridge Coast List. This waterbody is impaired because the annual average Chl-a value Lake Worth Lagoon 2003 (5.32 µg/L) exceeded the listing threshold of 20 µg/L in 2007. Based on TN/TP ratio 2 3 10-0090 - Palm Beach L-8 Palm Beach 3233A L-8 Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L High 2007 (23.09 µg/L) median of 13.42, TN-TP were identified as co-limiting nutrients. TMDL Coast proposed by EPA 9-30-06. Lake Worth Lagoon This waterbody is impaired for this parameter based on the number of ≤ 29 NTU + 3 3 16-0542 - Palm Beach L-8 Palm Beach 3233A L-8 Stream 3F Turbidity Turbidity Medium 20/44 exceedances for the sample size. This parameter is being added to the 303(d) background Coast List. West Verified as impaired based on number of exceedances within the VP and will 2 3 10-0427 Caloosahatchee Charlotte, Lee 3235C Cypress Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 19/93 Caloosahatchee be added to 303(d) list. West Charlotte, Glades, Verified as impaired based on number of exceedances within the VP and will 2 3 10-0428 Caloosahatchee 3235D Jacks Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/31 Caloosahatchee Hendry be added to 303(d) list. West Verified as impaired based on number of exceedances within the VP and will 2 3 10-0429 Caloosahatchee Glades, Hendry 3235E Bee Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/42 Caloosahatchee be added to 303(d) list. West Verified as impaired based on number of exceedances within the VP and will 2 3 10-0431 Caloosahatchee Glades, Hendry 3235F Pollywog Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/30 Caloosahatchee be added to 303(d) list. West Pb ≤ e^(1.273[lnH]- Verified as impaired based on 5 exceedances within the VP, and will be added 2 3 10-0433 Caloosahatchee Glades 3235G Cypress Branch Stream 3F Lead Medium 5/23 Caloosahatchee 4.705) to 303(d) list. West This waterbody is impaired for this parameter based on the number of 3 3 16-0455 Caloosahatchee Glades 3235G Cypress Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 10/25 Caloosahatchee exceedances for the sample size and is being added to the 303(d) List. Statewide Comprehensive Verified List

08/29/2012: (less than 2 sq.m.) 11/08/2012: Avg CofC - West LVS C of C ≥ 2.5 and 0.62, FLEPPC - 60.34% This waterbody is impaired for this parameter based on failing linear 3 3 16-0458 Caloosahatchee Collier, Hendry 3235L Townsend Canal Stream 3F Nutrients (Macrophytes) Medium Caloosahatchee LVS FLEPPC ≤ 25% 03/26/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.03, FLEPPC - 51.72% 11/26/2013: Avg CofC - 0.65, FLEPPC - 62.75%

AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (0.22 mg/L) West exceeded the nutrient threshold more than once in a three year period, and 3 3 16-0459 Caloosahatchee Collier, Hendry 3235L Townsend Canal Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.12 mg/L Medium 2012 (0.17 mg/L) Caloosahatchee there is biological evidence indicating non attainment of designated use. This 2013 (0.19 mg/L) parameter is being added to the 303(d) List. 2014 (0.18 mg/L) RPS ≤ 25%, or when between 20% - 25% This waterbody is impaired for this parameter based on failing rapid periphyton West 04/17/2012: 95.45% 3 3 16-0460 Caloosahatchee Hendry 3235M Goodno Canal Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium survey results. There are at least two temporally independent samples greater Caloosahatchee 10/11/2012: 100% Autoecological Data than 25% and this parameter is being added to the 303(d) List. Indicates No Imbalance West This waterbody is impaired for this parameter based on the number of 3 3 16-0461 Caloosahatchee Lee 3235P Olga Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/78 Caloosahatchee exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of 3 3 16-0462 Caloosahatchee Telegraph Swamp Charlotte 3236 Telegraph Swamp Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/41 exceedances for the sample size and is being added to the 303(d) List. 2 3 10-0425 Caloosahatchee Telegraph Swamp Charlotte, Lee 3236A Telegraph Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 17/76 Verified as impaired based on data within the VP, added to 303(d) list

East Nutrients (added from PP - 4/17; VP - 6/24. Verified impaired. Nutrients were identified as a 1 3 05-1115 Caloosahatchee Glades, Hendry 3237B Long Hammock Creek Stream 3F Dissolved Oxygen < 5.0 mg/l Medium 2009 Caloosahatchee comments) causative pollutant based on chlorophyll data/nutrient impairment verification.

04/24/2012: Avg CofC - 1.11, FLEPPC - 65.38% East LVS C of C ≥ 2.5 and 03/26/2013: Avg CofC - This waterbody is impaired for this parameter based on failing linear 3 3 16-0463 Caloosahatchee Glades, Hendry 3237B Long Hammock Creek Stream 3F Nutrients (Macrophytes) Medium Caloosahatchee LVS FLEPPC ≤ 25% 1.27, FLEPPC - 58.23% vegetation survey results. This parameter is being added to the 303(d) List. 11/26/2013: Avg CofC - 0.43, FLEPPC - 79.31%

East Biochemical DO exceeds the listing threshold with TN identified as the causative pollutant. 2 3 10-0419 Caloosahatchee Glades 3237C Lake Hicpochee Lake 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L Medium 59/116 Caloosahatchee Oxygen Demand BOD is assessed as DO. East 2 3 10-0420 Caloosahatchee Glades 3237C Lake Hicpochee Lake 3F Dissolved Oxygen Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L Medium 59/116 DO exceeds the listing threshold with TN identified as the causative pollutant. Caloosahatchee Biochemical oxygen demand is assessed as DO. DO exceeds the listing threshold and TN has been identified as the causative pollutant. EPA East Biochemical completed a TMDL for this WBID in cycle 1 with a 57% reduction required for 2 3 10-0421 Caloosahatchee Hendry 3237D Ninemile Canal Stream 3F Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L High 28/44 Caloosahatchee Oxygen Demand TBN (total bioavailable nitrogen), a 59% reduction required for TBP (total bioavailable phosphorus) and a 10% reduction required for BOD (biochemical oxygen demand). DO exceeds the listing threshold and TN has been identified as the causative pollutant. EPA completed a TMDL for this WBID in cycle 1 with a 57% East 2 3 10-0422 Caloosahatchee Hendry 3237D Ninemile Canal Stream 3F Dissolved Oxygen Dissolved Oxygen Total Nitrogen ≥ 5.0 mg/L High 28/44 reduction required for TBN (total bioavailable nitrogen), a 59% reduction Caloosahatchee required for TBP (total bioavailable phosphorus) and a 10% reduction required for BOD (biochemical oxygen demand).

03/21/2013: Avg CofC - East LVS C of C ≥ 2.5 and 0.86, FLEPPC - 44.44% This waterbody is impaired for this parameter based on failing linear 3 3 16-0464 Caloosahatchee Hendry 3237D Ninemile Canal Stream 3F Nutrients (Macrophytes) Medium Caloosahatchee LVS FLEPPC ≤ 25% 07/18/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0.54, FLEPPC - 57.14%

This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients has been identified as the East Dissolved Oxygen (Percent 3 3 16-0465 Caloosahatchee Glades 3237E C-19 Canal Stream 3F Dissolved Oxygen Nutrients ≥ 38 % Medium 67/255 causative pollutant. This parameter is being added to the 303(d) List. Caloosahatchee Saturation) Dissolved oxygen grab samples used in this analysis were assessed against a time of day adjustment as described in Rule 62-303.420(9), F.A.C.

03/21/2013: Avg CofC - East LVS C of C ≥ 2.5 and 0.06, FLEPPC - 97.14% This waterbody is impaired for this parameter based on failing linear 3 3 16-0466 Caloosahatchee Glades 3237E C-19 Canal Stream 3F Nutrients Nutrients (Macrophytes) Medium Caloosahatchee LVS FLEPPC ≤ 25% 09/26/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 1.15, FLEPPC - 46.99%

AGM 2008 (1.85 mg/L) 2009 (1.97 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2010 (1.57 mg/L) East exceeded the nutrient threshold more than once in a three year period, and 3 3 16-0467 Caloosahatchee Glades 3237E C-19 Canal Stream 3F Nutrients Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium 2011 (1.85 mg/L) Caloosahatchee there is biological evidence indicating non attainment of designated use. This 2012 (1.63 mg/L) parameter is being added to the 303(d) List. 2013 (1.56 mg/L) 2014 (1.57 mg/L) 2015 (1.52 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 PP = 74 / 245; VP = 38 / 54 Impaired by the IWR threshold and nutrients Everglades Nutrients (added from were found to be the causative pollutant. TN (1.955 mg/L) did exceed 1 5 09-0988 Everglades Palm Beach 3238 West Palm Beach Canal Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) threshold of 1.6 mg/L, TN/TP median = 10.990, standard deviation of 4.26, range 5.2241 - 45.14, 801 observations. The annual average Chl-a values did exceed IWR threshold of 20.0 µg/L in 2002 (20.66 µg/L). TN (1.955 mg/L) did exceed threshold of 1.6 mg/L. TP Everglades Median TN = 1.9545 (0.184 mg/L) did not exceed threshold of 0.22 mg/L. BOD (2.0 mg/L) did not 1 5 09-0990 Everglades Palm Beach 3238 West Palm Beach Canal Stream 3F Nutrients Nutrients (Chlorophyll-a) High Agricultural Area µg/L exceed threshold of 2.0 mg/L. Data indicate that the WBID was nitrogen and phosphorous limited (TN/TP median = 10.990, standard deviation of 4.26, range 5.2241 - 45.14, 801 observations). PP = 346 / 566; VP = 225 / 406 Impaired by the IWR threshold and nutrients Everglades Nutrients (added from are found to be the causative pollutant. TN (2.774 mg/L) did exceed threshold 1 5 09-0993 Everglades Palm Beach 3238E M Canal Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) of 1.6 mg/L, TN/TP median = 21.085, standard deviation of 11.434, range 5.467 - 75.35, 840 observations. Caloosahatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0468 Caloosahatchee Lee 3240A2 Cape Coral Stream 3F Un-ionized Ammonia ≤ 0.02 mg/L as NH3 Medium 140/870 Estuary exceedances for the sample size and is being added to the 303(d) List. Caloosahatchee > 400 colonies per 100 1 3 05-1087 Caloosahatchee Lee 3240B Tidal Caloosahatchee Estuary 3M Fecal Coliform Medium 2009 PP - 36/115; VP - 32/111 Estuary mL This waterbody is impaired for this parameter based on the number of Caloosahatchee Caloosahatchee Estuary 3 3 16-0469 Caloosahatchee Lee 3240B Estuary 3M Iron ≤ 0.3 mg/L Medium 151/403 exceedances for the sample size. This parameter is being added to the 303(d) Estuary (Tidal Segment2) List. Caloosahatchee Chapel Creek / Bayshore Newly created WBID for Cycle 2. Verified as impaired based on 87 2 3 10-0413 Caloosahatchee Lee 3240B1 Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 87/187 Estuary Creek exceedances within the VP, added to 303(d) list. Caloosahatchee > 400 colonies per 100 1 3 05-1090 Caloosahatchee Lee 3240C Tidal Caloosahatchee Stream 3F Fecal Coliform Medium 2009 PP - 83/198; VP - 84/194 Estuary mL This waterbody is impaired for this parameter based on the number of Caloosahatchee Caloosahatchee Estuary 3 3 16-0470 Caloosahatchee Lee 3240C Estuary 3M Iron ≤ 0.3 mg/L Medium 156/439 exceedances for the sample size. This parameter is being added to the 303(d) Estuary (Tidal Segment3) List. Caloosahatchee Newly created WBID for Cycle 2. Verified as impaired based on data within the 2 3 10-0415 Caloosahatchee Lee 3240C1 Palm Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 39/69 Estuary VP, added to 303(d) list Caloosahatchee > 400 colonies per 100 1 3 05-1093 Caloosahatchee Lee 3240E Yellow Fever Creek Estuary 3M Fecal Coliform Medium 2009 PP - 13/56; VP - 20/66 Estuary mL Caloosahatchee > 400 colonies per 100 1 3 05-1095 Caloosahatchee Lee 3240E1 Hancock Creek Estuary 3M Fecal Coliform Medium 2009 PP - 30/130; VP - 27/130 Estuary mL Caloosahatchee > 400 colonies per 100 1 3 05-1097 Caloosahatchee Charlotte, Lee 3240F Daughtrey Creek Stream 3F Fecal Coliform Medium 2009 PP - 41/275; VP - 43/274 Estuary mL Caloosahatchee Whisky Creek (Wyoua > 400 colonies per 100 1 3 05-1100 Caloosahatchee Lee 3240H Stream 3F Fecal Coliform Medium 2009 PP - 25/142; VP - 28/148 Estuary Creek) mL > 400 colonies per 100 1 3 05-1122 Caloosahatchee Orange River Lee 3240J Billy Creek Estuary 3M Fecal Coliform Medium 2009 PP - 49/149; VP - 46/145 mL This waterbody is impaired for this parameter based on the number of 3 3 16-0471 Caloosahatchee Orange River Lee 3240J Billy Creek Estuary 3M Iron ≤ 0.3 mg/L Medium 100/126 exceedances for the sample size. This parameter is being added to the 303(d) List. Caloosahatchee > 400 colonies per 100 1 3 05-1106 Caloosahatchee Charlotte, Lee 3240L Gilchrest Drain--Powel Stream 3F Fecal Coliform Medium 2009 PP - 31/136; VP - 40/206. VP data based on IWR Run 20. Estuary mL Caloosahatchee > 400 colonies per 100 1 3 05-1108 Caloosahatchee Charlotte, Lee 3240M Stroud Creek Stream 3F Fecal Coliform Medium 2009 PP - 23/13; VP - 25/135 Estuary mL Caloosahatchee > 400 colonies per 100 1 3 05-1110 Caloosahatchee Charlotte, Lee 3240N Owl Creek Stream 3F Fecal Coliform Medium 2009 PP - 25/68; VP - 29/70 Estuary mL Caloosahatchee > 400 colonies per 100 1 3 05-1112 Caloosahatchee Charlotte, Lee 3240Q Popash Creek Stream 3F Fecal Coliform Medium 2009 PP - 29/175; VP - 38/174 Estuary mL Caloosahatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0472 Caloosahatchee Lee 3240U Winkler Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 11/25 Estuary exceedances for the sample size and is being added to the 303(d) List. Caloosahatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0473 Caloosahatchee Lee 3240V Manuel Branch Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 24/26 Estuary exceedances for the sample size and is being added to the 303(d) List). Caloosahatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0474 Caloosahatchee Lee 3240W Carrell Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 5/25 Estuary exceedances for the sample size and is being added to the 303(d) List). PP = Insufficient Data; VP = Impaired, with one annual mean Chl-a value Lake Worth Lagoon Median TN = 1.016 above 20 µg/l in 2002, Chl-a mean = 24.571 µg/L. Co-limiting of nitrogen and Palm Beach Stations / D- 1 3 05-1164 - Palm Beach C-17 Palm Beach 3242A Stream 3F Nutrients (Chlorophyll-a) mg/L Median TP = Medium 2010 phosphorus based upon TN/TP ratio. TN median = 1.106 mg/L and TP Canals Coast 0.053 mg/L median = 0.053 mg/L. PP median TN/TP ratio = 18.603 (200 values), VP median TN/TP ratio = 18.603 (114 values). PP = 68 / 121; VP = 47 / 101 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (2.011 mg/L) did exceed Everglades Nutrients (added from 1 5 09-0995 Everglades Palm Beach 3244 East Beach Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High threshold of 1.6 mg/L, BOD (2.3 mg/L) did exceed threshold of 2.0 mg/L, Agricultural Area comments) TN/TP median = 14.317, standard deviation of 10.035, range 5.213 - 72.82, 107 observations. The annual average Chl-a values did exceed IWR threshold of 20.0 µg/L in 2005 (71.07 µg/L). TN (2.011 mg/L) did exceed threshold of 1.6 mg/L. TP Everglades Median TN = 2.0045 (0.16 mg/L) did not exceed threshold of 0.22 mg/L. BOD (2.3 mg/L) did 1 5 09-0997 Everglades Palm Beach 3244 East Beach Stream 3F Nutrients Nutrients (Chlorophyll-a) High Agricultural Area µg/L exceed threshold of 2.0 mg/L. Data indicate that the WBID was nitrogen and phosphorous limited (TN/TP median = 14.317, standard deviation of 10.035, range 5.213 - 72.82, 107 observations). This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may Everglades 2 5 12-0376 Everglades Palm Beach 3244 East Beach Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 10/13 be used to identify a waterbody as impaired if there are at least five Agricultural Area exceedances, per Rule 62-303.420(7)(a). This parameter is being added to the 303(d) list. Lake Worth Lagoon Impaired based on the number of exceedances and will be added to the 2 3 10-0069 - Palm Beach C-51 Palm Beach 3245B Lake Clarke Lake 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/53 303(d) list. New listing from cycle 2. Coast This waterbody is impaired for this parameter based on the number of Lake Worth Lagoon exceedances for the sample size and is being added to the 303(d) List. Note, 3 3 16-0543 - Palm Beach C-51 Palm Beach 3245C1 Lake Mangonia Lake 1 Fecal Coliform ≤ 400 Counts / 100 mL High 5/21 17 fecal results were excluded from the assessment based on not meeting the Coast holding time "Q" qualified in the verified period. Lake Worth Lagoon Impaired based on the number of exceedances and will be added to the 2 3 10-0072 - Palm Beach C-51 Palm Beach 3245C4 Pine Lake Lake 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/49 303(d) list. New listing from cycle 2. Coast Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 AGM 2008 (31 µg/L) 2009 (29 µg/L) Lake Worth Lagoon This waterbody is impaired for this parameter. The annual geometric means 2010 (29 µg/L) 3 3 16-0544 - Palm Beach C-51 Palm Beach 3245C4 Pine Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This 2011 (21 µg/L) Coast parameter is being added to the 303(d) List. 2012 (16 µg/L) 2013 (24 µg/L) 2014 (27 µg/L) This parameter is impaired for this waterbody and was mistakenly excluded East Total Nitrogen, Biochemical from the adopted Cycle 2 Verified List. DO exceeds the IWR threshold with TN 2 3 12-0590 Caloosahatchee Glades, Hendry 3246 S-4 Basin Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L 2011 107/271 Caloosahatchee Oxygen Demand and BOD identified as the causative pollutants. Based on TN/TP Ratio Median of 17.69, TN and TP were identified as co-limiting nutrients. 2002 (20.68 µg/L) This waterbody is impaired because annual average Chl a (µg/L) values East 2 3 10-0418 Caloosahatchee Glades, Hendry 3246 S-4 Basin Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L 2011 2004 (15.7 µg/L) exceeded 20 µg/L in 2002 and 2008. Based on TN/TP Ratio Median of 17.69, Caloosahatchee 2008 (31.06 µg/L) TN and TP were identified as co-limiting nutrients. 03/21/2013: Avg CofC - East LVS C of C ≥ 2.5 and 0.67, FLEPPC - 83.33% This waterbody is impaired for this parameter based on failing linear 3 3 16-0475 Caloosahatchee Glades, Hendry 3246 S-4 Basin Stream 3F Nutrients Nutrients (Macrophytes) Medium Caloosahatchee LVS FLEPPC ≤ 25% 07/18/2013: Avg CofC - vegetation survey results. This parameter is being added to the 303(d) List. 0, FLEPPC - 100% AGM 2008 (1.78 mg/L) 2009 (1.96 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2010 (1.68 mg/L) East exceeded the nutrient threshold more than once in a three year period, and 3 3 16-0476 Caloosahatchee Glades, Hendry 3246 S-4 Basin Stream 3F Nutrients Nutrients (Total Nitrogen) AGM ≤ 1.54 mg/L Medium 2011 (1.69 mg/L) Caloosahatchee there is biological evidence indicating non attainment of designated use. This 2012 (1.64 mg/L) parameter is being added to the 303(d) List. 2013 (1.63 mg/L) 2014 (1.59 mg/L) 2015 (1.39 mg/L) PP = 162 / 245; VP = 137 / 203 Impaired by the IWR threshold and nutrients were found to be the causative pollutant. TN (2.816 mg/L) did exceed Everglades Nutrients (added from 1 5 09-1001 Everglades Palm Beach 3247 715 Farms Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High threshold of 1.6 mg/L, BOD (2.9 mg/L) did exceed threshold of 2.0 mg/L, Agricultural Area comments) TN/TP median = 29.939, standard deviation of 20.712, range 7.758 - 192.5, 213 observations. This parameter is impaired for this waterbody because the annual average chlorophyll-a values exceeded the IWR threshold of 20 µg/L in 2006. Based on the median TN/TP ratio of 32.61, total phosphorus is the limiting nutrient. The period of record assessment, which uses all available data regardless of Everglades 2 5 12-0377 Everglades Palm Beach 3247 715 Farms Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L 2005 2006 (43 µg/L) age, indicated potential impairment. However, data older than the verified Agricultural Area period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. Dissolved oxygen is impaired and historic chlorophyll-a has insufficient. This parameter will remain on the 303(d) list. PP = 76 / 164; VP = 69 / 137 Impaired by the IWR threshold and nutrients Everglades Nutrients (added from were found to be the causative pollutant. TN (3.615 mg/L) did exceed 1 5 09-1004 Everglades Palm Beach 3248 N. New River Canal Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) threshold of 1.6 mg/L, TN/TP median = 30.3, standard deviation of 11.93, range 8.209 - 63.48, 269 observations. PP = 13 / 60; VP = 7 / 36 Impaired by the IWR threshold and nutrients were Everglades Nutrients (added from found to be the causative pollutant. TN (1.7316 mg/L) did exceed threshold of 1 5 09-1006 Everglades Palm Beach 3248A Hillsboro Canal Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) 1.6 mg/L, TN/TP median = 16.853, standard deviation of 6.627, range 6.99 - 55.51, 568 observations. PP = 71 / 112; VP = 66 / 93 Impaired by the IWR threshold and nutrients Everglades Nutrients (added from were found to be the causative pollutant. TN (3.6125 mg/L) did exceed 1 5 09-1008 Everglades Hendry, Palm Beach 3250 S-236 Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) threshold of 1.6 mg/L, TN/TP median = 40.709, standard deviation of 16.19, range 5.590 - 91.02, 100 observations. Water Conservation 1 5 09-1027 Everglades Palm Beach 3252 WCA1 Center Sector Stream 3F Fecal Coliform > 400 colonies/100 ml Low PP = 17 / 35; VP = 1 / 3; Assessment based on Period of Record data, Area 1 Water Conservation 1 5 09-1028 Everglades Palm Beach 3252B WCA 1 (North Sector) Stream 3F Fecal Coliform > 400 colonies/100 ml Low PP = 62 / 127; VP = 4 / 8; Assessment based on Period of Record data. Area 1 PP = 78 / 131; VP = 56 / 104 Impaired by the IWR threshold and nutrients Everglades Nutrients (added from were found to be the causative pollutant. TN (2.12 mg/L) did exceed threshold 1 5 09-1012 Everglades Palm Beach 3253 South Bay Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) of 1.6 mg/L, TN/TP median = 24.253, standard deviation of 12.775, range 1.029 - 86.70, 110 observations. PP = 62 / 78; VP = 59 / 73 Impaired by the IWR threshold and nutrients were Everglades Nutrients (added from found to be the causative pollutant. TN (3.342 mg/L) did exceed threshold of 1 5 09-1014 Everglades Palm Beach 3254 Hillsboro Canal Stream 3F Dissolved Oxygen Dissolved Oxygen < 5.0 mg/l High Agricultural Area comments) 1.6 mg/L, TN/TP median = 35.421, standard deviation of 26.4045, range 11.77 - 150.3, 181 observations. LVI 21FLGW 37860 (04JUN2009: 33) 21FLGW 40243 Average score of at Lake Worth Lagoon (23AUG2011: 40) This waterbody is impaired for this parameter based on failing bioassessments least two temporally 3 3 16-0545 - Palm Beach C-16 Palm Beach 3256A Lake Osborne Lake 3F Biology Nutrients Medium 21FLWPB 28010470 and nutrients have been determined to be the causative pollutant. This independent LVI scores Coast (02DEC2013: 43) parameter is being added to the 303(d) List. ≥ 43. 21FLWPB 28010737 (07AUG2008: 45) 21FLWPB 41842 (14NOV2012: 37) AGM 2008 (25 µg/L) 2009 (16 µg/L) Lake Worth Lagoon This waterbody is impaired for this parameter. The annual geometric means 2010 (16 µg/L) 3 3 16-0546 - Palm Beach C-16 Palm Beach 3256A Lake Osborne Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This 2011 (17 µg/L) Coast parameter is being added to the 303(d) List. 2012 (26 µg/L) 2013 (29 µg/L) 2014 (17 µg/L) Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Everglades West 4 1 19-0464 Estero Bay Lee 3258C2 Mullock Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 14/38 exceedances for the sample size. This parameter is being added to the Coast Verified List and the department is requesting EPA add it to the 303(d) List. 02/26/2015: Avg CofC - 1.4, FLEPPC - 56% This waterbody is impaired for this parameter based on failing linear Everglades West LVS C of C ≥ 2.5 and 12/10/2015: Avg CofC - vegetation surveys with a C of C < 2.5 and FLEPPC percent coverage of > 4 1 19-0465 Estero Bay Lee 3258C2 Mullock Creek Stream 3F Nutrients (Macrophytes) Medium Coast LVS FLEPPC ≤ 25% 1.4, FLEPPC - 49% 25%. This parameter is being added to the Verified List and the department is 10/31/2016: Avg CofC - requesting EPA add it to the 303(d) List. 1.2, FLEPPC - 55% This parameter is impaired for this waterbody based on the number of Everglades West Mullock Creek (Marine exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0247 Estero Bay Lee 3258C4 Estuary 3M Iron ≤ 0.3 mg/L Medium 16/33 Coast Segment) WBID was created from retired WBID 3258C1 which was on the Verified List for this parameter. This waterbody is impaired for this parameter based on the number of Everglades West Mullock Creek (Marine 4 1 19-0466 Estero Bay Lee 3258C4 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 34/176 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter based on the number of Everglades West 4 1 19-0467 Estero Bay Lee 3258C5 Ten Mile Canal South Stream 3F Iron ≤ 1.0 mg/L Medium 19/102 exceedances for the sample size. This parameter is being added to the Coast Verified List and the department is requesting EPA add it to the 303(d) List. Everglades West Estero River (Marine This parameter is impaired for this waterbody based on the number of 3 1 13-0249 Estero Bay Lee 3258D1 Estuary 3M Iron ≤ 0.3 mg/L Medium 46/66 Coast Segment) exceedances for the sample size and is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Everglades West Estero River (Marine 4 1 19-0468 Estero Bay Lee 3258D1 Estuary 3M Copper ≤ 3.7 µg/L Medium 6/12 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter based on the number of Everglades West Estero River (Marine 4 1 19-0469 Estero Bay Lee 3258D1 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 138/184 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter based on the number of Everglades West 4 1 19-0470 Estero Bay Lee 3258EA Imperial River Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 23/124 exceedances for the sample size. This parameter is being added to the Coast Verified List and the department is requesting EPA add it to the 303(d) List. Everglades West Imperial River (Marine This parameter is impaired for this waterbody based on the number of 3 1 13-0253 Estero Bay Lee 3258EB Estuary 3M Iron ≤ 0.3 mg/L Medium 11/45 Coast Segment) exceedances for the sample size and is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Everglades West Imperial River (Marine 4 1 19-0471 Estero Bay Lee 3258EB Estuary 3M Copper ≤ 3.7 µg/L Medium 10/12 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Everglades West Imperial River (Marine Dissolved Oxygen (Percent exceedances for the sample size and nutrients have been identified as the 4 1 19-0472 Estero Bay Lee 3258EB Estuary 3M Nutrients ≥ 42 % Medium 107/312 Coast Segment) Saturation) causative pollutant. This parameter is being added to the Verified List.

This waterbody is impaired for this parameter based on the number of Everglades West Imperial River (Marine 4 1 19-0473 Estero Bay Lee 3258EB Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 139/228 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List. ENRD10 (AAM) 2011 (1.02 mg/L) 2012 (0.84 mg/L) This waterbody is impaired for this parameter because the annual arithmetic Everglades West Imperial River (Marine ENRD10: AAM ≤ 0.63 2013 (0.97 mg/L) means exceeded the criterion more than once in a three year period during 4 1 19-0474 Estero Bay Lee 3258EB Estuary 3M Nutrients (Total Nitrogen) Medium Coast Segment) mg/L 2014 (0.77 mg/L) the verified period. This parameter is being added to the Verified List and the 2015 (0.87 mg/L) department is requesting EPA add it to the 303(d) List. 2016 (0.72 mg/L) 2017 (0.90 mg/L) This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may Everglades West 3 1 13-0254 Estero Bay Collier, Lee 3258F Oak Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 10/16 be used to identify a waterbody as impaired if there are at least five Coast exceedances, per Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) list. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Everglades West Spring Creek (Marine 4 1 19-0476 Estero Bay Lee 3258H2 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 108/253 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List. ENRD10 (AAM) 2011 (0.59 mg/L) This waterbody is impaired for this parameter because the annual arithmetic 2012 (0.74 mg/L) Everglades West Spring Creek (Marine ENRD10: AAM ≤ 0.63 means exceeded the criterion more than once in a three year period during 4 1 19-0477 Estero Bay Lee 3258H2 Estuary 3M Nutrients (Total Nitrogen) Medium 2013 (0.89 mg/L) Coast Segment) mg/L the verified period. This parameter is being added to the Verified List and the 2014 (0.48 mg/L) department is requesting EPA add it to the 303(d) List. 2015 (0.90 mg/L) 2016 (0.71 mg/L) ENRD10 (AAM) 2011 (0.36 mg/L) 2012 (0.56 mg/L) This waterbody is impaired for this parameter because the annual arithmetic 2013 (0.52 mg/L) Everglades West ENRD10: AAM ≤ 0.63 means exceeded the criteria more than once in a three year period. This 4 1 19-0478 Estero Bay Lee 3258I Estero Bay Estuary 3M Nutrients (Total Nitrogen) Medium 2014 (0.41 mg/L) Coast mg/L parameter is being added to the Verified List and the department is requesting 2015 (0.73 mg/L) EPA add it to the 303(d) List. 2016 (0.68 mg/L) 2017 (0.72 mg/L) 2018 (0.78 mg/L) AGM Insufficient Data ENRD11 (AGM) 2011 (2.6 µg/L) 2013 (5.7 µg/L) 2015 (5.1 µg/L) 2016 (2.5 µg/L) 2017 (3.9 µg/L) AGM ≤ 11 µg/L ENRD12 (AGM) ENRD11: AGM ≤ 5.9 2011 (5.3 µg/L) This waterbody is impaired for this parameter because the annual geometric µg/L 2013 (5.6 µg/L) Everglades West means exceeded the criterion more than once in a three year period. This 4 1 19-0479 Southwest Coast Collier, Lee 3259A Cocohatchee River Estuary 2 Nutrients (Chlorophyll-a) ENRD12: AGM ≤ 5.8 Medium 2014 (8.3 µg/L) Coast parameter is being added to the Verified List and the department is requesting µg/L 2015 (7.6 µg/L) EPA add it to the 303(d) List. ENRE1: AGM ≤ 5.8 2016 (5.6 µg/L) µg/L 2017 (7.5 µg/L) ENRE1 (AGM) 2011 (5.4 µg/L) 2012 (6.4 µg/L) 2013 (3.8 µg/L) 2014 (6.6 µg/L) 2015 (5.8 µg/L) 2016 (3.8 µg/L) 2017 (5.1 µg/L) ENRD11 (AGM) 2011 (0.01 mg/L) 2013 (0.24 mg/L) 2015 (0.37 mg/L) 2016 (0.35 mg/L) 2017 (0.68 mg/L) 2018 (0.43 mg/L) ENRD12 (AGM) ENRD11: AGM ≤ 0.63 2011 (0.01 mg/L) mg/L 2013 (0.28 mg/L) This waterbody is impaired for this parameter because the annual geometric Everglades West ENRD12: AGM ≤ 0.47 2014 (0.10 mg/L) means exceeded the criterion more than once in a three year period. This 4 1 19-0480 Southwest Coast Collier, Lee 3259A Cocohatchee River Estuary 2 Nutrients (Total Nitrogen) Medium Coast mg/L 2015 (0.16 mg/L) parameter is being added to the Verified List and the department is requesting ENRE1: AGM ≤ 0.47 2016 (0.38 mg/L) EPA add it to the 303(d) List. mg/L 2017 (0.70 mg/L) ENRE1 (AGM) 2011 (0.09 mg/L) 2012 (0.57 mg/L) 2013 (0.32 mg/L) 2014 (0.26 mg/L) 2015 (0.32 mg/L) 2016 (0.48 mg/L) 2017 (0.76 mg/L) This parameter is impaired for this waterbody based on the number of Everglades West Drainage to Corkscrew exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0258 Southwest Coast Collier, Lee 3259B1 Stream 3F Iron ≤ 1.0 mg/L Medium 11/22 Coast Swamp WBID was created from retired WBID 3259B which was on the Verified List for this parameter. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Exceeds Shellfish This parameter is impaired for this waterbody because the shellfish harvesting Everglades West Fecal Coliform (SEAS Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 3 1 13-0260 Southwest Coast Collier, Monroe 3259M Ten Thousand Islands Estuary 2 High No Data Coast Classification) Assessment Section Section (SEAS) of the Department of Agriculture and Consumer Services. (SEAS) thresholds This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Everglades West sampling location (21FLCOLLBARRIVN and 21FLCOLLFAKAUPOI) that has 4 1 19-0481 Southwest Coast Collier, Monroe 3259M Ten Thousand Islands Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired Coast a median fecal coliform MPN value that exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of exceedances for the sample size. Total nitrogen exceeded its threshold of 1.6 mg/L and was found to be the causative pollutant. The period of record Everglades Nutrients (added from assessment, which uses all available data regardless of age, indicated 2 5 12-0380 Everglades Hendry, Palm Beach 3260 S-8 Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L 2006 452/831 Agricultural Area comments) potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter will remain on the 303(d) list. This waterbody is impaired because the annual average Chl-a value Lake Worth Lagoon 2002 (37.28 µg/L) exceeded the listing threshold of 20.0 µg/L in 2002 and 2008. Based on TN/TP 2 3 10-0057 - Palm Beach C-15 Palm Beach 3262 E-4 Canal Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2008 (20.65 µg/L) ratio median of 8.63, TN was identified as the limiting nutrient. New listing from Coast cycle 2. LVI 21FLGW 40239 Average score of at (22AUG2011: 17) Lake Worth Lagoon This waterbody is impaired for this parameter based on failing bioassessments least two temporally 21FLWPB 28010465 3 3 16-0548 - Palm Beach C-15 Palm Beach 3262A Lake Ida Lake 3F Biology Nutrients Medium and nutrients have been determined to be the causative pollutant. This independent LVI scores (06AUG2008: 39; Coast parameter is being added to the 303(d) List. ≥ 43. 05NOV2013: 35) 21FLWPB 41841 (14NOV2012: 32) AGM 2008 (29 µg/L) 2009 (17 µg/L) Lake Worth Lagoon This waterbody is impaired for this parameter. The annual geometric means 2010 (24 µg/L) 3 3 16-0549 - Palm Beach C-15 Palm Beach 3262A Lake Ida Lake 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium exceeded the nutrient criteria more than once in a three year period. This 2011 (28 µg/L) Coast parameter is being added to the 303(d) List. 2012 (30 µg/L) 2013 (36 µg/L) 2014 (28 µg/L) AGM Chl-a AGM ≤ 20 µg/L, 2008 (0.07 mg/L) TP AGM ≤ 0.16 mg/L; This waterbody is impaired for this parameter. This parameter was assessed 2009 (0.10 mg/L) Lake Worth Lagoon If Chl-a has Insufficient against the minimum nutrient criterion because corrected chlorophyll-a annual 2010 (0.08 mg/L) 3 3 16-0550 - Palm Beach C-15 Palm Beach 3262A Lake Ida Lake 3F Nutrients Nutrients (Total Phosphorus) or No Data to calculate Medium geometric means exceeded the applicable chlorophyll-a threshold. The annual 2011 (0.06 mg/L) Coast AGM or if Chl-a AGM > geometric means exceeded the nutrient threshold more than once in a three 2012 (0.09 mg/L) 20 µg/L, TP AGM ≤ year period. This parameter will be added to the 303(d) list. 2013 (0.08 mg/L) 0.05 mg/L 2014 (0.07 mg/L) AGM 2008 (24 µg/L) 2009 (15 µg/L) Lake Worth Lagoon This waterbody is impaired for this parameter. The annual geometric means 2010 (34 µg/L) 3 3 16-0551 - Palm Beach C-15 Palm Beach 3262B1 E-1 Canal Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Low exceeded the nutrient threshold more than once in a three year period. This 2011 (27 µg/L) Coast parameter is being added to the 303(d) List. 2012 (27 µg/L) 2013 (57 µg/L) 2014 (31 µg/L) Lake Worth Lagoon 2002 (59.69 µg/L) This waterbody is impaired because the annual average Chl-a value 2 3 10-0059 - Palm Beach C-15 Palm Beach 3262D E-3 Canal Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L 2010 2007 (23.78 µg/L) exceeded the listing threshold of 20.0 µg/L in 2002, 2007, and 2008. Based on Coast 2008 (23.73 µg/L) TN/TP ratio median of 10.55, TN was identified as the limiting nutrient. Lake Worth Lagoon This waterbody is impaired because the annual average Chl-a value 2003 (31.25 µg/L) 2 3 10-0081 - Palm Beach Hillsboro Canal Palm Beach 3264A E-1 Canal Stream 3F Nutrients Nutrients (Chlorophyll-a) ≤ 20 µg/L 2010 exceeded the listing threshold of 20.0 µg/L in 2003 and 2008. Based on TN/TP 2008 (28.07 µg/L) Coast ratio median of 5.85, TN was identified as the limiting nutrient. PP = Insufficient Data; VP = Impaired, with one annual mean Chl-a value Lake Worth Lagoon Median TN = 0.95 mg/L above 20 µg/L in 2002, Chl-a mean = 27.825 µg/L. Co-limiting of nitrogen and 1 3 05-1168 - Palm Beach Hillsboro Canal Palm Beach 3264D E-4 Canal Stream 3F Nutrients Nutrients (Chlorophyll-a) Median TP = 0.1595 Medium 2010 phosphorus based upon TN/TP ratios [TN median = 0.95 mg/L and TP Coast mg/L median = 0.1595 mg/L., VP median TN/TP ratio = 5.87 (10 obs.). Lake Worth Lagoon Impaired based on number of exceedances and BOD was found to be the Biochemical Oxygen 2 3 10-0082 - Palm Beach Hillsboro Canal Palm Beach 3264D E-4 Canal Stream 3F Dissolved Oxygen Dissolved Oxygen ≥ 5.0 mg/L 2010 22/26 causative pollutant. Excluded from period of record assessment, as it has Demand Coast been determined with more recent data that the WBID is impaired. PP = 679 / 932; VP = 411 / 598 Impaired by the IWR threshold and nutrients Water Conservation Broward, Palm Nutrients (added from were found to be the causative pollutant. TN (1.693 mg/L) did exceed 1 5 09-1030 Everglades 3265H WCA2A Center Sector Stream 3F Dissolved Oxygen < 5.0 mg/l Medium Area 2 Beach comments) threshold of 1.6 mg/L, TN/TP median = 133.66, standard deviation of 117.791, range 10.38 - 667.3, 510 observations. Southeast Coast - Impaired based on number of exceedances. This will be added to the 303(d) 2 4 10-2841 Broward County Broward 3271 Pompano Canal Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/28 Biscayne Bay list. VP: Chl-a values exceeded IWR threshold hold in 1998 (28.18 µg/L), 1999 (29.42 µg/L), 2000 (16.3 µg/L), 2001 (14.04 µg/L) and 2004 (26.27 µg/L). Southeast Coast - TN = 1.62 mg/L; TP = 1 4 06-0632 Broward County Broward 3276A North Fork New River Estuary 3M Nutrients (Chlorophyll-a) Medium 2011 Data indicate that the WBID is co-limited (TN/TP Median = 13.818, standard Biscayne Bay 0.11 mg/L deviation of 8.7913, range of 5.609 - 62.0, 88 observations). Data based on updated Run 22 from 10-26-05. Southeast Coast - This waterbody is impaired for this parameter based on the number of 3 4 17-0430 Broward County Broward 3276A New River (North Fork) Estuary 3M Copper ≤ 3.7 µg/L Medium 12/30 Biscayne Bay exceedances for the sample size and is being added to the 303(d) List. Southeast Coast - Impaired based on number of exceedances. This will be added to the 303(d) 2 4 10-2846 Broward County Broward 3277A New River Canal (South) Estuary 3M Copper ≤ 3.7 µg/L Medium 31/50 Biscayne Bay list. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Data quality assurance issues were brought to the attention of the department by Collier County for all metal results Everglades West analyzed by EPA 200.7 and 200.8 from July 27, 2017 to June 30, 2018. These 4 1 19-0482 Southwest Coast Collier 3278C Wiggins Bay Outlet Stream 3F Iron ≤ 1.0 mg/L Medium 8/33 Coast results have been excluded from the assessment for the following organizations: 21FLCOMI, 21FLCCZM, 21FLCOLL and 21FLNAPL. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of Everglades West 4 1 19-0483 Southwest Coast Collier 3278K Gordon River Extension Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 8/42 exceedances for the sample size. This parameter is being added to the Coast Verified List and the department is requesting EPA add it to the 303(d) List. ENRE3 (AGM) This waterbody is impaired for this parameter because the annual geometric 2015 (0.13 mg/L) Everglades West ENRE3: AGM ≤ 0.30 means exceeded the criteria more than once in a three year period. This 4 1 19-0484 Southwest Coast Collier 3278O Marco Island Estuary 2 Nutrients (Total Nitrogen) Medium 2016 (0.19 mg/L) Coast mg/L parameter is being added to the Verified List and the department is requesting 2017 (0.44 mg/L) EPA add it to the 303(d) List. 2018 (0.65 mg/L) This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Everglades West Marco Island (South Fecal Coliform (SEAS Environmental 4 1 19-0485 Southwest Coast Collier 3278P Estuary 2 High N/A Classification Program of the department of Agriculture and Consumer Coast Segment) Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. ENRE3 (AGM) This waterbody is impaired for this parameter because the annual geometric 2015 (0.41 mg/L) Everglades West Marco Island (South ENRE3: AGM ≤ 0.30 means exceeded the criteria more than once in a three year period. This 4 1 19-0486 Southwest Coast Collier 3278P Estuary 2 Nutrients (Total Nitrogen) Medium 2016 (0.50 mg/L) Coast Segment) mg/L parameter is being added to the Verified List and the department is requesting 2017 (0.46 mg/L) EPA add it to the 303(d) List. 2018 (0.40 mg/L) ENRE3 (AGM) This waterbody is impaired for this parameter because the annual geometric 2015 (0.035 mg/L) Everglades West Marco Island (South ENRE3: AGM ≤ 0.046 means exceeded the criteria more than once in a three year period. This 4 1 19-0487 Southwest Coast Collier 3278P Estuary 2 Nutrients (Total Phosphorus) Medium 2016 (0.048 mg/L) Coast Segment) mg/L parameter is being added to the Verified List and the department is requesting 2017 (0.051 mg/L) EPA add it to the 303(d) List. 2018 (0.045 mg/L) Everglades West This parameter is impaired for this waterbody based on the number of 3 1 13-0263 Southwest Coast Collier 3278Q1 Clam Bay Estuary 2 Copper ≤ 3.7 µg/L Medium 12/25 Coast exceedances for the sample size and is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Everglades West ENRD13: PCT ≤ 0.040 ENRD13 (PCT) 4 1 19-0488 Southwest Coast Collier 3278Q2 Moorings Bay System Estuary 2 Nutrients (Total Phosphorus) Medium exceedances for the sample size. This parameter is being added to the Coast mg/L 83/344 Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of Everglades West exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0264 Southwest Coast Collier 3278R1 Haldeman Creek (Lower) Estuary 3M Copper ≤ 3.7 µg/L Medium 25/32 Coast WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This waterbody is impaired for this parameter based on the number of Everglades West 4 1 19-0489 Southwest Coast Collier 3278R1 Haldeman Creek (Lower) Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 23/104 exceedances for the sample size. This parameter is being added to the Coast Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of Everglades West exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0266 Southwest Coast Collier 3278R3 Rock Creek Estuary 3M Copper ≤ 3.7 µg/L Medium 10/29 Coast WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20 and is being added to the 303(d) Everglades West list. Fewer than twenty samples may be used to identify a waterbody as 3 1 13-0267 Southwest Coast Collier 3278R3 Rock Creek Estuary 3M Iron ≤ 0.3 mg/L Medium 8/14 Coast impaired if there are at least five exceedances, per Rule 62-303.420(7)(a) F.A.C. This WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This waterbody is impaired for this parameter based on the number of Everglades West 4 1 19-0490 Southwest Coast Collier 3278R3 Rock Creek Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 27/101 exceedances for the sample size. This parameter is being added to the Coast Verified List and the department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody based on the number of Everglades West Naples Bay (Coastal exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0268 Southwest Coast Collier 3278R4 Estuary 2 Copper Copper ≤ 3.7 µg/L Medium 117/444 Coast Segment) WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This parameter is impaired for this waterbody based on the number of Everglades West Naples Bay (Coastal exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0269 Southwest Coast Collier 3278R4 Estuary 2 Iron ≤ 0.3 mg/L Medium 62/104 Coast Segment) WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This waterbody is impaired for this parameter based on the number of Everglades West Naples Bay (Coastal 4 1 19-0491 Southwest Coast Collier 3278R4 Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 117/310 exceedances for the sample size. This parameter is being added to the Coast Segment) Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one sampling location (21FLNAPLNBAY29, 21FLNAPLNBAYBV, and Everglades West Naples Bay (Coastal 4 1 19-0492 Southwest Coast Collier 3278R4 Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired 21FLNAPLNBAYNL) that has a median fecal coliform MPN value that exceeds Coast Segment) 14 counts per 100 ml for the verified period. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. ENRE4 (AGM) 2011 (4.7 µg/L) 2012 (5.3 µg/L) This waterbody is impaired for this parameter because the annual geometric 2013 (3.9 µg/L) Everglades West Naples Bay (Coastal ENRE4: AGM ≤ 4.3 means exceeded the criterion more than once in a three year period. This 4 1 19-0493 Southwest Coast Collier 3278R4 Estuary 2 Nutrients (Chlorophyll-a) Medium 2014 (5.3 µg/L) Coast Segment) µg/L parameter is being added to the Verified List and the department is requesting 2015 (5.3 µg/L) EPA add it to the 303(d) List. 2016 (4.3 µg/L) 2017 (4.7 µg/L) 2018 (4.8 µg/L) This parameter is impaired for this waterbody based on the number of Everglades West Gordon River (Marine exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0270 Southwest Coast Collier 3278R5 Estuary 3M Copper Copper ≤ 3.7 µg/L Medium 21/138 Coast Segment) WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This parameter is impaired for this waterbody based on the number of Everglades West Gordon River (Marine exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0271 Southwest Coast Collier 3278R5 Estuary 3M Iron ≤ 0.3 mg/L Medium 37/56 Coast Segment) WBID was created from retired WBID 3278R which was on the Verified List for this parameter. This waterbody is impaired for this parameter based on the number of Everglades West Gordon River (Marine Dissolved Oxygen (Percent 4 1 19-0494 Southwest Coast Collier 3278R5 Estuary 3M Nutrients ≥ 42 % Medium 124/267 exceedances for the sample size and nutrients have been identified as the Coast Segment) Saturation) causative pollutant. This parameter is being added to the Verified List. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Suwannee River 4 1 19-0584 Suwannee Lower Suwannee Dixie, Levy 3422G Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 136/300 exceedances for the sample size. This parameter is being added to the (Estuarine Segment) Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes seven sampling locations that have median fecal coliform MPN values that exceed 14 counts per 100 ml in the verified period; these are stations 21FLSEAS28SEAS201 Suwannee River (MED=37), 21FLSEAS28SEAS202 (MED=35), 21FLSEAS28SEAS207 4 1 19-0585 Suwannee Lower Suwannee Dixie, Levy 3422G Estuary 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Medium Impaired (Estuarine Segment) (MED=41.5), 21FLSEAS28SEAS244 (MED=48.5), 21FLSEAS28SEAS246 (MED=45), 21FLSEAS28SEAS428 (MED=42), 21FLSEAS28SEAS430 (MED=24) and 21FLSEAS28SEAS435 (MED=29). This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish harvesting classification is not fully approved by the Shellfish Harvesting Area Exceeds Shellfish Classification Program of the Department of Agriculture and Consumer Suwannee River Fecal Coliform (SEAS Environmental 4 1 19-0586 Suwannee Lower Suwannee Dixie, Levy 3422G Estuary 2 High NA Services. This parameter is being added to the Verified List and the (Estuarine Segment) Classification) Assessment Section Department is requesting EPA add it to the 303(d) List. This waterbody was (SEAS) thresholds placed in category NA in the previous assessment cycle, but EPA deferred action on approving the assessment to allow for additional review.

This waterbody is impaired for this parameter based on the number of Suwannee River 4 1 19-0587 Suwannee Lower Suwannee Dixie, Levy 3422G Estuary 2 Iron ≤ 0.3 mg/L Medium 18/29 exceedances for the sample size. This parameter is being added to the (Estuarine Segment) Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been identified based on percent anthropogenic landuse. Fewer than twenty 4 1 19-0590 Suwannee Santa Fe River Alachua 3644 Mill Creek Sink Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 15/17 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. There is a DEP Adopted Fecal Coliform TMDL. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List.

This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been identified based on percent of anthropogenic landuse. Fewer than twenty 4 1 19-0591 Suwannee Santa Fe River Alachua 3678A Cellon Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 11/19 samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 62-303.390(2)(f) F.A.C. There is a DEP Adopted Fecal Coliform TMDL. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been identified based on percent of anthropogenic landuse as well as using chemical tracer data. Fewer than twenty samples can be used to identify a 4 1 19-0592 Suwannee Santa Fe River Alachua 3682 Blues Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 8/18 waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. There is a DEP Adopted Fecal Coliform TMDL. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of 4 1 19-0593 Suwannee Santa Fe River Alachua 3682 Blues Creek Stream 3F Iron ≤ 1.0 mg/L Medium 12/27 exceedances for the sample size. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been 4 1 19-0594 Suwannee Waccasassa River Gilchrist, Levy 3699 Waccasassa River Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 9/51 identified. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of 4 1 19-0595 Suwannee Waccasassa River Levy 3699A Waccasassa River Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Medium 6/6 exceedances for the sample size. This parameter is being added to the Verified List and the department is requesting EPA add to the 303(d) List. This parameter is impaired for this waterbody. The waterbody includes at least one sampling location that has a median fecal coliform MPN value that 3 1 13-0125 Suwannee Waccasassa River Levy 3699B Waccasassa River Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL High 3/4 exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the 303(d) list. Exceeds Shellfish This parameter is impaired for this waterbody because the shellfish harvesting Fecal Coliform (SEAS Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 3 1 15-1539 Suwannee Waccasassa River Levy 3699B Waccasassa River Estuary 2 Low N/A Classification) Assessment Section Section (SEAS) of the Department of Agriculture and Consumer Services. (SEAS) thresholds This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of 4 1 19-0596 Suwannee Waccasassa River Levy 3699B Waccasassa River Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 56/200 exceedances for the sample size. This parameter is being added to the Verified List and will remain on the 303(d) List. ENRV2 (AGM) 2011 (0.78 mg/L) 2012 (1.03 mg/L) This waterbody is impaired for this parameter because the annual geometric 2013 (0.59 mg/L) ENRV2: AGM ≤ 0.69 means exceeded the criteria more than once in a three year period. This 4 1 19-0597 Suwannee Waccasassa River Levy 3699B Waccasassa River Estuary 2 Nutrients (Total Nitrogen) Medium 2014 (0.80 mg/L) mg/L parameter is being added to the Verified List and the department is requesting 2015 (0.76 mg/L) EPA add it to the 303(d) List. 2016 (0.78 mg/L) 2017 (0.86 mg/L) 2018 (0.83 mg/L) AGM 2011 (0.55 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (0.41 mg/L) exceeded the criterion more than once in a three-year period. This parameter 4 1 19-0598 Suwannee Waccasassa River Levy 3703B Blue Spring (Levy County) Spring 3F Nutrients (Nitrate-Nitrite) ≤ 0.35 mg/L Medium 2015 (0.48 mg/L) is being added to the Verified List and the department is requesting EPA add it 2016 (0.70 mg/L) to the 303(d) List. 2017 (0.78 mg/L) This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvesting Area Fecal Coliform (SEAS Environmental 4 1 19-0599 Suwannee Other Coastal Dixie 3705 Butler Creek (Lilly Creek) Estuary 2 High NA Classification Program of the Department of Agriculture and Consumer Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds Department is requesting EPA add it to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvesting Area Fecal Coliform (SEAS Environmental 4 1 19-0600 Suwannee Other Coastal Dixie 3721 Direct Runoff To Gulf Estuary 2 High NA Classification Program of the Department of Agriculture and Consumer Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds Department is requesting EPA add it to the 303(d) List. This parameter is impaired for this waterbody. The waterbody includes at least one sampling location that has a median fecal coliform MPN value that 3 1 13-0127 Suwannee Other Coastal Dixie 3724 Direct Runoff to Gulf Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL High 1/5 exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the 303(d) list. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0128 Suwannee Other Coastal Dixie 3724 Direct Runoff to Gulf Estuary 2 High N/A Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. This waterbody is impaired for this parameter based on the number of 4 1 19-0601 Suwannee Other Coastal Dixie 3724 Direct Runoff To Gulf Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 16/72 exceedances for the sample size. This parameter is being added to the Verified List and will remain on the 303(d) List. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0129 Suwannee Other Coastal Dixie 3725 Direct Runoff to Gulf Estuary 2 High N/A Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. This parameter is impaired for this waterbody. The waterbody includes at least one sampling location that has a median fecal coliform MPN value that 3 1 13-0130 Suwannee Waccasassa River Levy 3729A Black Point Swamp Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL High 1/23 exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the 303(d) list. Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0131 Suwannee Waccasassa River Levy 3729A Black Point Swamp Estuary 2 High N/A Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. pp = 1 / 3; vp = 21 / 23. DO met verification threshold of IWR, and TN and Nutrients, Biochemical BOD were identified as causative pollutants. PP - median TN = 1.94 mg/L 2 1 09-1915 Suwannee Waccasassa River Levy 3731A Lake Marion Lake 3F Dissolved Oxygen Oxygen Demand (added < 5.0 mg/L Medium (n=3), median TP = 0.025 mg/L (n=3), no BOD data. VP - median TN = 14 from comments) mg/L (n=27), median TP = 0.05 mg/L (n=27), median BOD = 6.5 mg/L (n=25). Average score of at least two temporally independent SCI scores ≥ 40; or either of SCI (n=4) This waterbody is impaired for this parameter based on failing bioassessments Apalachicola - the two most recent WBID Mean (43) and nutrients have been determined to be the causative pollutant. This 4 2 20-0246 Apalachicola River Gulf, Franklin 375C Apalachicola River Stream 3F Biology Nutrients Medium Chipola SCI scores ≥ 35; or if Mean 1 (23), Mean 2 parameter is being added to the Verified List and the department is requesting there are only two SCI (53) EPA add it to the 303(d) List. scores and there is less than or equal to a 20 point difference. AGM 2012 (0.74 mg/L) 2013 (0.82 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2014 (0.83 mg/L) exceeded the nutrient threshold more than once in a three year period, and Apalachicola - 4 2 20-0247 Apalachicola River Gulf,Franklin 375C Apalachicola River Stream 3F Nutrients (Total Nitrogen) AGM ≤ 0.67 mg/L Medium 2015 (0.81 mg/L) there is biological evidence indicating non-attainment of the designated use. Chipola 2016 (0.81 mg/L) This parameter is being added to the Verified List and the department is 2017 (0.78 mg/L) requesting EPA add it to the 303(d) List. 2018 (0.78 mg/L) 2019 (0.85 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Apalachicola - Pb ≤ e(1.273[lnH]- This waterbody is impaired for this parameter based on the number of 3 2 18-0805 Apalachicola River Gadsden 376A Mosquito Creek Stream 3F Lead Medium 5/17 Chipola 4.705) µg/L exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Apalachicola - 4 2 20-0248 Apalachicola River Gadsden 376A Mosquito Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/22 confirmed using genetic marker and chemical tracer data and indenitified Chipola using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been Apalachicola - identified using land use. Fewer than twenty samples can be used to identify a 4 2 20-0249 Apalachicola River Gadsden 393 South Mosquito Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 8/9 Chipola waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Ochlockonee - St. North Ochlockonee This parameter is impaired for this waterbody based on the number of 3 1 13-0078 Gadsden 424 Little River Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 9/42 Marks River exceedances for the sample size and will remain on the 303(d) list. This waterbody is impaired for this parameter based on the number of Ochlockonee - St. North Ochlockonee 4 1 19-0534 Gadsden 424 Little River Stream 3F Iron ≤ 1.0 mg/L Medium 5/5 exceedances for the sample size. This parameter is being added to the Marks River Verified List and the department is requesting EPA add it to the 303(d) List. Ochlockonee - St. 2 1 09-1948 Lake Miccosukee Jefferson 459 Ward Creek Stream 3F Coliforms Fecal Coliform > 400 Counts/100 ml High PP = 7 / 19; VP = 7 / 26. EPA established a TMDL on 11/27/2006. Marks This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may be used to identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a), F.A.C. Total nitrogen and biochemical oxygen demand were identified as the causative pollutants Ochlockonee - St. North Ochlockonee Total Nitrogen, Biochemical because they were elevated relative to comparable waters (exceeded 1.03 3 1 13-0079 Gadsden 480 Salem Branch Stream 3F Dissolved Oxygen ≥ 5.0 mg/L Medium 6/13 Marks River Oxygen Demand mg/L for TN and 2.0 mg/L for BOD). The period of record assessment, which uses all available data regardless of age, indicated potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list. Average score of at least two temporally independent SCI This waterbody is impaired for this parameter based on failing bioassessments scores ≥ 40; or either of SCI (n=2) and nutrients have been determined to be the causative pollutant. A stressor Ochlockonee - St. North Ochlockonee the two most recent WBID Mean (37) 4 1 19-0535 Gadsden 480 Salem Branch Stream 3F Biology Nutrients, Dissolved Oxygen Medium identification study identified nutrients and a low dissolved oxygen condition Marks River SCI scores ≥ 35; or if Mean 1 (39), Mean 2 contributing to the impairment. This parameter is being added to the Verified there are only two SCI (35) List and the department is requesting EPA add it to the 303(d) List. scores and there is less than or equal to a 20 point difference. This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three year period, and there Ochlockonee - St. North Ochlockonee 4 1 19-0536 Gadsden 480 Salem Branch Stream 3F Nutrients (Total Nitrogen) AGM ≤ 1.03 mg/L Medium 2011 (3.31 mg/L) is biological evidence indicating non-attainment of the designated use. This Marks River 2012 (3.06 mg/L) parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient criteria more than once in a three year period, and there Ochlockonee - St. North Ochlockonee 4 1 19-0537 Gadsden 480 Salem Branch Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.18 mg/L Medium 2011 (0.20 mg/L) is biological evidence indicating non-attainment of the designated use. This Marks River 2012 (0.19 mg/L) parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Apalachicola - 4 2 20-0250 Apalachicola River Gadsden 487 Flat Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 7/7 samples can be used to identify a waterbody as impaired if there are at least Chipola five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been Apalachicola - confirmed using landuse analysis. Fewer than twenty samples can be used to 4 2 20-0251 Apalachicola River Gadsden 488 Unnamed Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 6/8 Chipola identify a waterbody as impaired if there are at least five exceedances, per 62- 303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0494 Okaloosa 495A Turkey Creek Stream 3F Iron ≤ 1.0 mg/L Medium 5/12 St. Andrew Bay exceedances for the sample size and is being added to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0495 Walton, Washington 49B Choctawhatchee River Stream 3F Iron ≤ 1.0 mg/L Medium 22/30 St. Andrew River exceedances for the sample size and is being added to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0496 Holmes 49F Choctawhatchee River Stream 3F Iron ≤ 1.0 mg/L Medium 26/26 St. Andrew River exceedances for the sample size and is being added to the 303(d) List. Beach Advisories 2012 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2013 (0 days) more of beach advisories in the verified period. This is a beach WBID, which St. Lucie - < 21 days of beach 2014 (0 days) 4 2 20-0386 Coastal Martin 5003AB Stuart Causeway Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This Loxahatchee advisories 2015 (0 days) parameter is being added to the Verified List and the department is requesting 2016 (0 days) EPA add it to the 303(d) List. 2017 (76 days) 2018 (no advisory) Beach Advisories 2012 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2013 (no advisory) more of beach advisories in the verified period. This is a beach WBID, which St. Lucie - South Causeway at Boat < 21 days of beach 2014 (no advisory) 4 2 20-0387 Coastal St. Lucie 5003AD Beach 3M Bacteria (Beach Advisories) High are assessed solely on beach advisory information received from DOH.^ This Loxahatchee Ramp advisories 2015 (no advisory) parameter is being added to the Verified List and the department is requesting 2016 (no advisory) EPA add it to the 303(d) List. 2017 (29 days) 2018 (no advisory) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter based on the number of Indian River South Central Indian South Indian River (below 3 5 18-0293 Indian River 5003B1 Estuary 2 Copper ≤ 3.7 µg/L Medium 5/22 exceedances for the sample size. This parameter is being added to the Lagoon River Lagoon SR 60) Verified List and the department is requesting EPA add to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Indian River South Central Indian South Indian River (below Fecal Coliform (SEAS Evaluation & 3 5 18-0294 Indian River 5003B1 Estuary 2 High NA Classification Program of the department of Agriculture and Consumer Lagoon River Lagoon SR 60) Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Indian River South Central Indian South Indian River (Below Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1343 Indian River 5003B2 Estuary 2 Low N/A Lagoon River Lagoon SR 60 - Shellfish Portion) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Indian River South Central Indian South Indian River (above 3 5 18-0295 Indian River 5003C1 Estuary 2 Iron ≤ 0.3 mg/L Medium 30/82 exceedances for the sample size. This parameter is being added to the Lagoon River Lagoon SR 60) Verified List and the department is requesting EPA add to the 303(d) List. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Indian River South Central Indian Brevard, Indian South Indian River (Near Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1345 5003D1 Estuary 2 Low N/A Lagoon River Lagoon River St. Sebastian River) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. Apalachicola - 2 2 09-1646 Apalachicola River Calhoun, Jackson 512 Wilson Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/28 Chipola Average score of at least two temporally independent SCI scores ≥ 40; or either of SCI (n=6) This waterbody is impaired for this parameter based on failing bioassessments Apalachicola - the two most recent WBID Mean (49) and nutrients have been determined to be the causative pollutant. This 4 2 20-0252 Chipola River Calhoun 51B Chipola River Stream 3F Biology Nutrients Medium Chipola SCI scores ≥ 35; or if Mean 1 (26), Mean 2 parameter is being added to the Verified List and the department is requesting there are only two SCI (45) EPA add it to the 303(d) List. scores and there is less than or equal to a 20 point difference. AGM 2012 (0.93 mg/L) This waterbody is impaired for this parameter. The annual geometric means 2013 (1.10 mg/L) exceeded the nutrient threshold more than once in a three year period, and Apalachicola - 2014 (0.97 mg/L) 4 2 20-0253 Chipola River Calhoun 51B Chipola River Stream 3F Nutrients (Total Nitrogen) AGM ≤ 0.67 mg/L Medium there is biological evidence indicating non-attainment of the designated use. Chipola 2015 (1.10 mg/L) This parameter is being added to the Verified List and the department is 2016 (1.09 mg/L) requesting EPA add it to the 303(d) List. 2017 (1.14 mg/L) 2018 (1.04 mg/L) RPS ≤ 25%, or when 04/28/2009: 58.82% between 20% - 25% 10/07/2009: 27.27% This waterbody is impaired for this parameter based on failing rapid periphyton Apalachicola - 3 2 18-0806 Chipola River Jackson 51E Chipola River Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium 04/05/2010: 23.81% survey results. There are at least two temporally independent samples greater Chipola Autoecological Data 10/06/2010: 30.16% than 25% and this parameter is being added to the 303(d) List. Indicates No Imbalance 04/06/2011: 44.44% This waterbody is impaired for this parameter. The annual geometric means AGM exceeded the nutrient threshold more than once in a three year period, and Apalachicola - 2013 (1.64 mg/L) 4 2 20-0254 Chipola River Jackson 51E Chipola River Stream 3F Nutrients (Total Nitrogen) AGM ≤ 0.67 mg/L Medium there is biological evidence indicating non-attainment of the designated use. Chipola 2017 (2.24 mg/L) This parameter is being added to the Verified List and the department is 2018 (1.85 mg/L) requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of Apalachicola - exceedances for the sample size and anthropogenic sources have been 4 2 20-0255 Chipola River Jackson 52 Cowarts Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 16/61 Chipola identified using land use. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to identify a waterbody as impaired if there are at least five exceedances, per 3 4 17-0420 Pensacola Pensacola Bay Santa Rosa 534 Sandy Point Bayou Stream 3F Iron ≤ 1.0 mg/L Low 5/7 Rule 62-303.420(7)(a) F.A.C. Based on further analysis by DEP to investigate whether or not the impairment is due to natural conditions, anthropogenic sources could not be ruled out as the cause of the impairment and therefore this parameter is being added to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0497 Holmes 54 Wrights Creek Stream 3F Iron ≤ 1.0 mg/L Medium 7/27 St. Andrew River exceedances for the sample size and is being added to the 303(d) List. Ochlockonee - St. North Ochlockonee This parameter is impaired for this waterbody based on the number of 3 1 13-0081 Gadsden 540A Tallavanna Lake Lake 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 14/66 Marks River exceedances for the sample size and is being added to the 303(d) list. 1 5 09-0983 Perdido Perdido River Escambia 542 Rest Area Run Stream 3F Fecal Coliform > 400 colonies/100 ml Low PP = 7 / 13; VP = 7 / 18 AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (21 µg/L) Ochlockonee - St. exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0538 Lake Iamonia Leon 546C Lake Monkey Business Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2016 (14 µg/L) Marks three year period. This parameter is being added to the Verified List and the 2017 (22 µg/L) department is requesting EPA add it to the 303(d) List. 2018 (11 µg/L) Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2011 (0.89 mg/L) Ochlockonee - St. exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0539 Lake Iamonia Leon 546C Lake Monkey Business Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2016 (0.64 mg/L) Marks three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.71 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2018 (0.58 mg/L) mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient 2011 (0.05 mg/L) Ochlockonee - St. exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0540 Lake Iamonia Leon 546C Lake Monkey Business Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2016 (0.04 mg/L) Marks three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.04 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 2018 (0.03 mg/L) mg/L Escambia, Santa Escambia Bay (North This waterbody is impaired for this parameter based on the number of 3 4 17-0421 Pensacola Pensacola Bay 548AA Estuary 3M Enterococci ≤ 130 Counts / 100 mL Low 43/313 Rosa Segment) exceedances for the sample size and is being added to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Listed as impaired based on shellfish harvesting classification of prohibited by Exceeds Shellfish Shellfish Environmental Assessment Section (SEAS) of the Department of Escambia, Santa Escambia Bay North Bacteria (Shellfish Evaluation & Agriculture. WBID 548A was retired to form two new WBIDs (548AA and 2 4 10-3051 Pensacola Pensacola Bay 548AC Estuary 2 High N/A Rosa (Shellfish) Harvesting Classification) Assessment Section 548AC) because portions of the original WBID are Class II (shellfish (SEAS) thresholds harvesting) and portions are Class III. WBID 548AA contains the areas that are Class III, while WBID 548AC contains the Class II waters. Exceeds Shellfish Listed as impaired based on shellfish harvesting classification of prohibited by Escambia, Santa Escambia Bay (South Bacteria (Shellfish Evaluation & 2 4 10-3053 Pensacola Pensacola Bay 548B Estuary 2 Coliforms High N/A Shellfish Environmental Assessment Section (SEAS) of the Department of Rosa Segment) Harvesting Classification) Assessment Section Agriculture. DEP corrected this WBID classification from Class III to Class II. (SEAS) thresholds Exceeds Shellfish Listed as impaired based on shellfish harvesting classification of prohibited by Escambia, Santa Pensacola Bay (North Bacteria (Shellfish Evaluation & Shellfish Environmental Assessment Section (SEAS) of the Department of 2 4 10-3055 Pensacola Pensacola Bay 548C Estuary 2 Coliforms High N/A Rosa Segment) Harvesting Classification) Assessment Section Agriculture. The WBID boundary was adjusted to include all of the Class II (SEAS) thresholds designated area. ENRL4 (AGM) 2009 (3.7 µg/L) 2010 (3.1 µg/L) 2011 (2.8 µg/L) This waterbody is impaired for this parameter because the annual geometric Escambia, Santa Pensacola Bay (Middle ENRL4: AGM ≤ 3.9 3 4 17-0422 Pensacola Pensacola Bay 548D Estuary 3M Nutrients (Chlorophyll-a) Medium 2012 (4.0 µg/L) means exceeded the criterion more than once in a consecutive three year Rosa Segment) µg/L 2013 (3.1 µg/L) period. This parameter is being added to the 303(d) List. 2014 (4.9 µg/L) 2015 (2.9 µg/L) 2016 (3.2 µg/L) < 21 days of beach 1 4 06-0598 Pensacola Pensacola Bay Escambia 548FB Navy Point Coastal 3M Bacteria (Beach Advisories) Medium 2012 Beach advisories > 21 days/yr for 2001-2004. advisories Listed as impaired based on shellfish harvesting classification of prohibited by Exceeds Shellfish Shellfish Environmental Assessment Section (SEAS) of the Department of Blackwater Bay (South Bacteria (Shellfish Evaluation & 2 4 10-3058 Pensacola Pensacola Bay Santa Rosa 548GB Estuary 2 High N/A Agriculture. WBID 548G was retired to form two new WBIDs (548AA and Segment) Harvesting Classification) Assessment Section 548AC), because portions of the original WBID are Class II (shellfish (SEAS) thresholds harvesting) and portions are Class III. This parameter exceeds the listing threshold. WBID 548G was retired to form Blackwater Bay (South 2 4 10-3059 Pensacola Pensacola Bay Santa Rosa 548GB Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 13/77 two new WBIDs (548AA and 548AC), because portions of the original WBID Segment) are Class II (shellfish harvesting) and portions are Class III. Exceeds Shellfish Listed as impaired based on shellfish harvesting classification of prohibited by Bacteria (Shellfish Evaluation & 2 4 10-3061 Pensacola Pensacola Bay Santa Rosa 548H East Bay Estuary 2 High N/A Shellfish Environmental Assessment Section (SEAS) of the Department of Harvesting Classification) Assessment Section Agriculture. (SEAS) thresholds AGM This waterbody is impaired for this parameter. The annual geometric means Ochlockonee - St. 2015 (29 µg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0541 Lake Iamonia Leon 564A Lake Arrowhead Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium Marks 2016 (23 µg/L) three year period. This parameter is being added to the Verified List and the 2017 (41 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Ochlockonee - St. 2015 (0.05 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0542 Lake Iamonia Leon 564A Lake Arrowhead Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Marks 2016 (0.05 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.05 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.03 mg/L Average score of at least two temporally independent LVI scores ≥ 43; or either of the LVI (n=3) This waterbody is impaired for this parameter based on failing bioassessments Ochlockonee - St. two most recent LVI WBID Mean (28) and nutrients have been determined to be the causative pollutant. This 4 1 19-0543 Lake Iamonia Leon 564C Petty Gulf Lake Lake 3F Biology Nutrients Medium Marks scores ≥ 43; or if there Mean 1 (31), Mean 2 parameter is being added to the Verified List and the department is requesting are only two LVI scores (16) EPA add it to the 303(d) List. and there is less than or equal to a 20 point difference. AGM This waterbody is impaired for this parameter. The annual geometric means Ochlockonee - St. 2016 (13 µg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0544 Lake Iamonia Leon 564C Petty Gulf Lake Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium Marks 2017 (6 µg/L) year period. This parameter is being added to the Verified List and the 2018 (9 µg/L) department is requesting EPA add it to the 303(d) List. Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Ochlockonee - St. 2016 (0.66 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0545 Lake Iamonia Leon 564C Petty Gulf Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Marks 2017 (0.46 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2018 (0.56 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Ochlockonee - St. 2016 (0.03 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0546 Lake Iamonia Leon 564C Petty Gulf Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Marks 2017 (0.02 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2018 (0.02 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 mg/L Apalachicola - 2 2 09-1673 Chipola River Calhoun, Jackson 569 Tenmile Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 12/20 Chipola Apalachicola - 2 2 09-1671 Chipola River Jackson 57 Jordan Bay Drain Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 8/13 Chipola This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may be used to identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a), F.A.C. The period of record Ochlockonee - St. 3 1 13-0083 Lake Jackson Leon 582D Lake Jackson Outlet Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 11/18 assessment, which uses all available data regardless of age, indicated Marks potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This parameter is being added to the 303(d) list. Statewide Comprehensive Verified List

RPS ≤ 25%, or when This waterbody is impaired for this parameter based on two or more failing between 20% - 25% 06/30/2015: 0% Ochlockonee - St. North Ochlockonee rapid periphyton surveys with >25% coverage of periphyton. This parameter is 4 1 19-0549 Gadsden 595 Tanyard Branch Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium 02/23/2016: 67% Marks River being added to the Verified List and the department is requesting EPA add it to Autoecological Data 10/31/2017: 58% the 303(d) List. Indicates No Imbalance AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (0.09 mg/L) exceeded the nutrient criterion more than once in a three year period, and Ochlockonee - St. North Ochlockonee 4 1 19-0550 Gadsden 595 Tanyard Branch Stream 3F Nutrients (Total Phosphorus) AGM ≤ 0.18 mg/L Medium 2015 (0.20 mg/L) there is biological evidence indicating non-attainment of the designated use. Marks River 2016 (0.12 mg/L) This parameter is being added to the Verified List and the department is 2017 (0.19 mg/L) requesting EPA add it to the 303(d) List. RPS ≤ 25%, or when 04/29/2009: 68.42% between 20% - 25% This waterbody is impaired for this parameter based on failing rapid periphyton Choctawhatchee - Choctawhatchee Holmes Creek (Lower 04/30/2009: 15.63% 3 3 16-0498 Washington 59D Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium survey results. There are at least two temporally independent samples greater St. Andrew River Segment) 10/06/2009: 40% Autoecological Data than 25% and this parameter is being added to the 303(d) List. 10/06/2009: 17.65% Indicates No Imbalance AGM (11 µg/L) 2016 (0 µg/l) ENRH3 (AGM) 2009 (0.4 µg/L) This waterbody is impaired for this parameter because the annual geometric 2010 (0.4 µg/L) means exceeded the criterion more than once in the most recent consecutive 2011 (0.4 µg/L) three year period. This parameter is being added to the 303(d) List. There is 2012 (0.3 µg/L) additional data for this waterbody in ENRH7 and ENRH8 as shown below. 2013 (0.5 µg/L) ENRH3: AGM ≤ 0.5 ENRH7 (AGM) 2014 (0.7 µg/L) µg/L 2009 (0.1 µg/L) 2015 (0.8 µg/L) ENRH4: AGM ≤ 0.7 2010 (0.2 µg/L) 2016 (0.8 µg/L) µg/L 2011 (0.2 µg/L) ENRH4 (AGM) ENRH6: AGM ≤ 0.4 2012 (0.2 µg/L) 2010 (0.5 µg/L) Southeast Coast - Biscayne Bay µg/L 2013 (0.2 µg/L) 3 4 17-0435 Miami-Dade 6001 Biscayne Bay Estuary 3M Nutrients (Chlorophyll-a) Medium 2011 (0.3 µg/L) Biscayne Bay Intracoastal ENRH7: AGM ≤ 0.2 2014 (0.1 µg/L) 2012 (0.2 µg/L) µg/L 2015 (0.4 µg/L) 2013 (0.4 µg/L) ENRH8: AGM ≤ 0.2 ENRH8 (AGM) 2014 (0.7 µg/L) µg/L 2009 (0.1 µg/L) 2015 (0.8 µg/L) AGM ≤ 11 µg/L 2010 (0.2 µg/L) ENRH6 (AGM) 2011 (0.2 µg/L) 2009 (0.2 µg/L) 2012 (0.1 µg/L) 2010 (0.4 µg/L) 2013 (0.2 µg/L) 2011 (0.4 µg/L) 2014 (0.2 µg/L) 2012 (0.3 µg/L) 2015 (0.3 µg/L) 2013 (0.4 µg/L) 2014 (0.4 µg/L) 2015 (0.4 µg/L)

1 5 09-0961 Florida Keys Upper Keys Monroe 6006A South Key Largo Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 42 / 86 1 5 09-0962 Florida Keys Upper Keys Monroe 6006C North Key Largo Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 5 / 8. Assessment based on Period of Record data 1 5 09-0963 Florida Keys Upper Keys Monroe 6009 Plantation Key Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 21 / 29 1 5 09-0957 Florida Keys Middle Keys Monroe 6011A Vaca Key Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 19 / 47 1 5 09-0944 Florida Keys Lower Keys Monroe 6012A Big Pine Key Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 8 / 21 1 5 09-0945 Florida Keys Lower Keys Monroe 6013C Cudjoe Key Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 5 / 19 1 5 09-0947 Florida Keys Lower Keys Monroe 6014A Key West Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 9 / 31 1 5 09-0948 Florida Keys Lower Keys Monroe 6014B Stock Island Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 7 / 14 This parameter is impaired for this waterbody based on the number of 2 5 12-0436 Florida Keys Upper Keys Monroe 6017 Upper Matecumbe Key Coastal 3M Copper ≤ 3.7 µg/L Medium 6/24 exceedances for this sample size and will be added to the 303(d) list. 1 5 09-0964 Florida Keys Upper Keys Monroe 6019 Lower Matecumbe Key Coastal 3M Copper > 3.7 µg/L Medium PP = No Data; VP = 8 / 13 This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been Ochlockonee - St. 4 1 19-0551 St. Marks River Leon 628 Black Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/32 identified based on percent of anthropogenic landuse. This parameter is being Marks added to the Verified List and the department is requesting EPA add it to the 303(d) List. 2 4 10-3063 Pensacola Pensacola Bay Escambia 639 Direct Runoff to Bay Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 16/27 This parameter is impaired because it exceeds the listing threshold. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Fewer than twenty samples can be used to Pb ≤ e(1.273[lnH]- 3 4 17-0423 Pensacola Pensacola Bay Escambia 639 Direct Runoff to Bay Stream 3F Lead Medium 7/12 identify a waterbody as impaired if there are at least five exceedances, per 4.705) µg/L Rule 62-303.420(7)(a) F.A.C. This parameter is being added to the 303(d) List. This waterbody is impaired for this parameter. The annual geometric means AGM Ochlockonee - St. exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0552 Lake Lafayette Leon 647A Lake Tom John Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium 2016 (11 µg/L) Marks year period. This parameter is being added to the Verified List and the 2017 (7 µg/L) department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 6 µg/L, TN AGM ≤ 0.93 mg/L; This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient AGM Ochlockonee - St. exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0553 Lake Lafayette Leon 647A Lake Tom John Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium 2016 (0.61 mg/L) Marks year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.59 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 mg/L Chl-a AGM ≤ 6 µg/L, TP AGM ≤ 0.03 mg/L; This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient AGM Ochlockonee - St. exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0554 Lake Lafayette Leon 647A Lake Tom John Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium 2016 (0.03 mg/L) Marks year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.02 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 mg/L AGM This waterbody is impaired for this parameter. The annual geometric means 2011 (59 µg/L) Ochlockonee - St. exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0555 Lake Lafayette Leon 647I Shakey Pond Lake 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2012 (41 µg/L) Marks three year period. This parameter is being added to the Verified List and the 2013 (10 µg/L) department is requesting EPA add it to the 303(d) List. 2017 (74 µg/L) Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.09 mg/L; AGM This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Ochlockonee - St. 2011 (0.12 mg/L) exceeded the nutrient criteria for a clear, alkaline lake more than once in a 4 1 19-0556 Lake Lafayette Leon 647I Shakey Pond Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Marks 2013 (0.10 mg/L) three year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2017 (0.17 mg/L) department is requesting EPA add it to the 303(d) List. 20 µg/L, TP AGM ≤ 0.03 mg/L Choctawhatchee - Choctawhatchee This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0474 Walton 679 Black Creek Stream 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=7/11 St. Andrew River List. Ochlockonee - St. 2 1 09-1989 Telogia Creek Gadsden, Liberty 684 Mule Creek Stream 3F Fecal Coliform > 400 Counts/100 ml Low PP = 2 / 3; VP = 14 / 24 Marks Ochlockonee - St. 2 1 09-1937 Lake Jackson Leon 689 Lake Overstreet Drain Stream 3F Fecal Coliform > 400 Counts/100 ml Low PP = 1 / 43; VP = 23 / 55 Marks ENRM3: AGM This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Choctawhatchee ENRM3: AGM ≤ 3.0 2008 (4.0 µg/L) 3 3 16-0500 Okaloosa 692 Boggy Bayou Estuary 3M Nutrients (Chlorophyll-a) Medium means exceeded the criterion more than once in a three year period. This St. Andrew Bay µg/L 2009 (3.2 µg/L) parameter is being added to the 303(d) List. 2013 (3.3 µg/L) ENRM3: AGM 2008 (0.27 mg/L) 2009 (0.29 mg/L) 2010 (0.25 mg/L) This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Choctawhatchee ENRM3: AGM ≤ 0.33 3 3 16-0499 Okaloosa 692 Boggy Bayou Estuary 3M Nutrients (Total Nitrogen) Medium 2011 (0.23 mg/L) means exceeded the criterion more than once in the most recent consecutive St. Andrew Bay mg/L 2012 (0.34 mg/L) three year period. This parameter is being added to the 303(d) List. 2013 (0.38 mg/L) 2014 (0.29 mg/L) 2015 (0.30 mg/L) 2002 (49 days) 2003 (215 days) 2004 (214 days) This WBID is impaired because there were 21, or greater, days of beach Choctawhatchee - Choctawhatchee < 21 days of beach 2 3 10-0456 Okaloosa 692A Lincoln Park Beach 3M Bacteria (Beach Advisories) High 2005 (302 days) advisories in 2002 through 2007. Beach WBID assessment is based on St. Andrew Bay advisories 2006 (34 days) beach advisory information received from DOH. ^ 2007 (106 days) 2008 (14 days) Listed as impaired based on shellfish harvesting classification of prohibited by Exceeds Shellfish Shellfish Environmental Assessment Section (SEAS) of the Department of East Bay River (Marine Bacteria (Shellfish Evaluation & Agriculture. WBID 701 was retired to form two new WBIDs (701A and 701B) 2 4 10-3066 Pensacola Pensacola Bay Santa Rosa 701A Estuary 2 High N/A Portion) Harvesting Classification) Assessment Section because portions of the original WBID are Class II (shellfish harvesting) and (SEAS) thresholds portions are Class III. WBID 701B contains the areas that are Class III, while WBID 701A contains the Class II waters. East Bay River (Marine This waterbody is impaired for this parameter based on the number of 3 4 17-0424 Pensacola Pensacola Bay Santa Rosa 701A Estuary 2 Enterococci ≤ 130 Counts / 100 mL Low 22/85 Portion) exceedances for the sample size and is being added to the 303(d) List. Choctawhatchee - Choctawhatchee This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0437 Walton 712 Mullet Creek Stream 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=38/136 St. Andrew Bay List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been identified using genetic marker and chemical tracer data. Fewer than twenty Ochlockonee - St. 4 1 19-0557 Lake Miccosukee Jefferson 716 Caney Branch Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 12/15 samples can be used to identify a waterbody as impaired if there are at least Marks five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Choctawhatchee - Choctawhatchee This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0438 Okaloosa 722 Rocky Bayou Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=208/401 St. Andrew Bay List. Choctawhatchee - Choctawhatchee < 21 days of beach 1 3 05-1132 Okaloosa 722B Rocky Bayou State Park Coastal 3M Bacteria (Beach Advisories) Medium 2009 Beach advisories > 21 days/yr for 2002 and 2003. St. Andrew Bay advisories Apalachicola - 2 2 09-1647 Apalachicola River Calhoun 723 Stafford Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 7/24 Chipola This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been confirmed using genetic marker and chemical tracer data. Fewer than twenty Apalachicola - 4 2 20-0256 Apalachicola River Liberty 728 Sweetwater Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL Low 7/7 samples can be used to identify a waterbody as impaired if there are at least Chipola five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. ENRM1: AGM This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Choctawhatchee ENRM1: AGM ≤ 4.0 3 3 16-0502 Walton 731 Alaqua Bayou Estuary 3M Nutrients (Chlorophyll-a) Medium 2008 (6.0 µg/L) means exceeded the criterion more than once in a three year period. This St. Andrew Bay µg/L 2009 (4.3 µg/L) parameter is being added to the 303(d) List. < 21 days of beach 1 4 06-0602 Pensacola Pensacola Bay Escambia 738AB Bayview Park Pier Coastal 3M Bacteria (Beach Advisories) Medium 2012 Beach advisories > 21 days/yr for 2002 - 2003. advisories Choctawhatchee - Choctawhatchee This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0441 Walton 742 Basin Bayou Stream 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=7/15 St. Andrew Bay List. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may be used to identify a waterbody as impaired if there are at least five exceedances, per Rule 62-303.420(7)(a), F.A.C. The period of record Ochlockonee - St. assessment, which uses all available data regardless of age, indicated 3 1 13-0090 Lake Jackson Leon 746A Harbinwood Estates Drain Stream 3F Iron ≤ 1.0 mg/L Medium 17/18 Marks potential impairment. However, data older than the verified period were excluded from the final assessment based on the availability of more recent data, and the final assessment was based on the recent data. This WBID was created from the retired WBID 746 that was on the Verified List for this parameter. This parameter is being added to the 303(d) list. Apalachicola - 2 2 09-1674 Chipola River Bay, Calhoun 749 Juniper Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 6/21 Chipola Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0503 Walton 751 Eagle Creek Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 7/10 St. Andrew Bay exceedances for the sample size and is being added to the 303(d) List. 2002 (N/A) 2003 (69 days) 2004 (28 days) This WBID is impaired because there were 21, or greater, days of beach Choctawhatchee - Choctawhatchee < 21 days of beach 2 3 10-0457 Okaloosa 754A Poquito Park Beach 3M Bacteria (Beach Advisories) High 2005 (49 days) advisories in 2003, 2004, 2005, and 2007. Beach WBID assessment is based St. Andrew Bay advisories 2006 (7 days) on beach advisory information received from DOH. ^ 2007 (35 days) 2008 (14 days) AGM 2011 (31 µg/L) 2012 (26 µg/L) This waterbody is impaired for this parameter. The annual geometric means Ochlockonee - St. 2013 (14 µg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0558 Lake Lafayette Leon 756B Lake Piney Z Lake 3F Nutrients (Chlorophyll-a) ≤ 6 µg/L Medium Marks 2014 (11 µg/L) year period. This parameter is being added to the Verified List and the 2015 (9 µg/L) department is requesting EPA add it to the 303(d) List. 2016 (18 µg/L) 2017 (11 µg/L) AGM Chl-a AGM ≤ 6 µg/L, 2011 (1.25 mg/L) TN AGM ≤ 0.93 mg/L; 2012 (1.27 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Ochlockonee - St. 2013 (0.71 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0559 Lake Lafayette Leon 756B Lake Piney Z Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium Marks 2014 (1.18 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.61 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TN AGM ≤ 0.51 2016 (0.77 mg/L) mg/L 2017 (0.71 mg/L) AGM Chl-a AGM ≤ 6 µg/L, 2011 (0.06 mg/L) TP AGM ≤ 0.03 mg/L; 2012 (0.05 mg/L) This waterbody is impaired for this parameter. The annual geometric means If Chl-a has Insufficient Ochlockonee - St. 2013 (0.05 mg/L) exceeded the nutrient criteria for a clear, acidic lake more than once in a three 4 1 19-0560 Lake Lafayette Leon 756B Lake Piney Z Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium Marks 2014 (0.05 mg/L) year period. This parameter is being added to the Verified List and the AGM or if Chl-a AGM > 2015 (0.03 mg/L) department is requesting EPA add it to the 303(d) List. 6 µg/L, TP AGM ≤ 0.01 2016 (0.02 mg/L) mg/L 2017 (0.05 mg/L) This parameter is impaired for this waterbody based on the number of Ochlockonee - St. exceedances for the sample size and is being added to the 303(d) list. This 3 1 13-0093 Lake Lafayette Leon 756I Lake Lafayette Drain Stream 3F Coliforms Fecal Coliform ≤ 400 Counts / 100 mL Low 5/20 Marks WBID was created from the retired WBID 756 which was on the 1998 303(d) list and the Verified List for this parameter. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been identified using genetic marker and chemical tracer data. Fewer than twenty Ochlockonee - St. North Ochlockonee 4 1 19-0561 Gadsden 757 Bear Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/7 samples can be used to identify a waterbody as impaired if there are at least Marks River five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been identified using genetic marker and chemical tracer data. Fewer than twenty Ochlockonee - St. 4 1 19-0562 Lake Jackson Leon 758 Lexington Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/14 samples can be used to identify a waterbody as impaired if there are at least Marks five exceedances, per 62-303.390(2)(f) F.A.C. This parameter is being added to the Verified List and the department is requesting EPA add it to the 303(d) List. PP = 35 / 1090; VP = 27 / 474. This WBID was listed because there was a Choctawhatchee - Choctawhatchee Exceeds SEAS 1 3 05-1133 Okaloosa 778A Choctawhatchee Bay Estuary 2 Bacteria (in Shellfish) Medium 2009 downgrade in the shellfish harvesting classification (from approved to St. Andrew Bay thresholds conditionally approved) for some portion of this Class II waterbody. Choctawhatchee - Choctawhatchee Choctawhatchee Bay This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0458 Okaloosa 778A Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=137/1001 St. Andrew Bay (Lower Segment) List. ENRM9: AGM 2008 (0.50 mg/L) 2009 (0.74 mg/L) 2010 (0.61 mg/L) This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Choctawhatchee Choctawhatchee Bay ENRM9: AGM ≤ 0.54 3 3 16-0504 Okaloosa 778A Estuary 2 Nutrients (Total Nitrogen) Medium 2011 (0.66 mg/L) means exceeded the criterion more than once in the most recent consecutive St. Andrew Bay (Lower Segment) mg/L 2012 (1.40 mg/L) three year period. This parameter is being added to the 303(d) List. 2013 (1.25 mg/L) 2014 (0.48 mg/L) 2015 (0.33 mg/L) ENRM9: AGM 2008 (0.025 mg/L) 2009 (0.036 mg/L) 2010 (0.026 mg/L) This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Choctawhatchee Choctawhatchee Bay ENRM9: AGM ≤ 0.049 3 3 16-0505 Okaloosa 778A Estuary 2 Nutrients (Total Phosphorus) Medium 2011 (0.030 mg/L) means exceeded the criterion more than once in the most recent consecutive St. Andrew Bay (Lower Segment) mg/L 2012 (0.058 mg/L) three year period. This parameter is being added to the 303(d) List. 2013 (0.051 mg/L) 2014 (0.011 mg/L) 2015 (0.009 mg/L) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Chl-a AGM ≤ 20 µg/L, TN AGM ≤ 2.23 mg/L; Annual Geometric If Chl-a has Insufficient This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Mean(s) 3 3 16-0514 St. Andrews Bay Washington 780A Rattlesnake Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium means exceeded the criterion more than once in the most recent consecutive St. Andrew 2008 (1.77 mg/L) AGM or if Chl-a AGM > three year period. This parameter is being added to the 303(d) List. 2009 (1.80 mg/L) 20 µg/L, TN AGM ≤ 1.27 mg/L Chl-a AGM ≤ 20 µg/L, TP AGM ≤ 0.16 mg/L; Annual Geometric If Chl-a has Insufficient This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Mean(s) 3 3 16-0515 St. Andrews Bay Washington 780A Rattlesnake Lake Lake 3F Nutrients (Total Phosphorus) or No Data to calculate Medium means exceeded the criterion more than once in the most recent consecutive St. Andrew 2008 (0.15 mg/L) AGM or if Chl-a AGM > three year period. This parameter is being added to the 303(d) List. 2009 (0.15 mg/L) 20 µg/L, TP AGM ≤ 0.05 mg/L This waterbody is impaired for this parameter based on the number of exceedances for the sample size and nutrients have been identified as the Choctawhatchee - Choctawhatchee Dissolved Oxygen (Percent 3 3 16-0516 Okaloosa 786A Bass Lake Lake 3F Nutrients ≥ 67 % Medium 34/144 causative pollutant. This parameter is being added to the 303(d) list. Dissolved St. Andrew Bay Saturation) oxygen grab samples used in this analysis were assessed against a time of day adjustment as described in Rule 62-303.420(9), F.A.C. Chl-a AGM ≤ 20 µg/L, Annual Geometric TN AGM ≤ 2.23 mg/L; Mean(s) If Chl-a has Insufficient This waterbody is impaired for this parameter because the annual geometric Choctawhatchee - Choctawhatchee 2008 (3.01 mg/L) 3 3 16-0517 Okaloosa 786A Bass Lake Lake 3F Nutrients (Total Nitrogen) or No Data to calculate Medium means exceeded the criterion more than once in the most recent consecutive St. Andrew Bay 2009 (2.53 mg/L) AGM or if Chl-a AGM > three year period. This parameter is being added to the 303(d) List. 2010 (2.40 mg/L) 20 µg/L, TN AGM ≤ 2011 (2.02 mg/L) 1.27 mg/L Ochlockonee - St. This parameter is impaired for this waterbody based on the number of 3 1 13-0097 Lake Miccosukee Jefferson, Leon 791L Lake Miccosukee Outlet Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 13/26 Marks exceedances for the sample size and is being added to the 303(d) list. This parameter is impaired for this waterbody. The waterbody includes at Ochlockonee - St. St Marks River (South least one sampling location that has a median fecal coliform MPN value that 3 1 13-0098 St. Marks River Wakulla 793A Estuary 2 Coliforms Fecal Coliform (3) ≤ 14 MPN / 100 mL High 3 / 6 Marks Segment) exceeds 14 counts per 100 ml for the verified period. This parameter is being added to the 303(d) list. St Marks River (Marine This waterbody is impaired for this parameter based on the number of Ochlockonee - St. 4 1 19-0563 St. Marks River Wakulla 793A Segment below Wakulla Estuary 2 Fecal Coliform ≤ 43 MPN/100 mL Low 10/15 exceedances for the sample size. This parameter is being added to the Marks River) Verified List and will remain on the 303(d) List. RPS ≤ 25%, or when This waterbody is impaired for this parameter based on two or more failing between 20% - 25% Ochlockonee - St. Jefferson, Leon, St Marks River 03/10/2011: 30% rapid periphyton surveys with >25% coverage periphyton. This parameter is 4 1 19-0564 St. Marks River 793D Stream 3F Nutrients (Algal Mats) Evaluation of Algal Medium Marks Wakulla (Freshwater Segment) 07/13/2017: 53% being added to the Verified List and the department is requesting EPA add it to Autoecological Data the 303(d) List. Indicates No Imbalance This waterbody is impaired for this parameter based on the number of Perdido Bay (Upper 3 5 18-0296 Perdido Perdido Bay Escambia 797 Estuary 3M Enterococci ≤ 130 Counts / 100 mL High 36/282 exceedances for the sample size This parameter is being added to the Segment) Verified List and the department is requesting EPA add to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0518 Jackson 80 Little Creek Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/20 St. Andrew River exceedances for the sample size and is being added to the 303(d) List. Beach Advisories 2009 (no advisory) 2010 (no advisory) This waterbody is impaired for this parameter because there were 21 days or Emerald Promenade < 21 days of beach 2011 (no advisory) more of beach advisories in the verified period. This is a beach WBID, which 3 4 17-0425 Pensacola Pensacola Bay Okaloosa 8007A Beachwalk (Santa Rosa Beach 3M Bacteria (Beach Advisories) High advisories 2012 (28 days) are assessed solely on beach advisory information received from DOH.^ This Island) 2013 (53 days) parameter is being added to the 303(d) List. 2014 (27 days) 2015 (21 days) Beach Advisories 2008 (7 days) 2009 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2010 (0 days) Choctawhatchee - Choctawhatchee < 21 days of beach more of beach advisories in 2012-2013. This is a beach WBID, which are 3 3 16-0519 Okaloosa 8008B Henderson Park Beach Beach 3M Bacteria (Beach Advisories) High 2011 (20 days) St. Andrew Bay advisories assessed solely on beach advisory information received from DOH.^ This 2012 (41 days) parameter is being added to the 303(d) List. 2013 (22 days) 2014 (13 days) 2015 (13 days) 2002 (0 days) 2003 (14 days) 2004 (21 days) This WBID is impaired because there were 21, or greater, days of beach Choctawhatchee - Choctawhatchee < 21 days of beach 2 3 10-0462 Okaloosa 8008C James Lee Park Beach 3M Bacteria (Beach Advisories) High 2005 (0 days) advisories in 2004 and 2007. Beach WBID assessment is based on beach St. Andrew Bay advisories 2006 (0 days) advisory information received from DOH. ^ 2007 (21 days) 2008 (0 days) 2002 (0 days) 2003 (14 days) 2004 (14 days) This WBID is impaired because there were 21, or greater, days of beach Choctawhatchee - Choctawhatchee < 21 days of beach 2 3 10-0463 Okaloosa 8008E Wayside Park Beach 3M Bacteria (Beach Advisories) High 2005 (22 days) advisories in 2005, 2007, and 2008. Beach WBID assessment is based on St. Andrew Bay advisories 2006 (7 days) beach advisory information received from DOH. ^ 2007 (22 days) 2008 (28 days) Beach Advisories 2008 (0 days) 2009 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2010 (0 days) Choctawhatchee - Choctawhatchee < 21 days of beach more of beach advisories in 2013. This is a beach WBID, which are assessed 3 3 16-0520 Walton 8009A Dune Allen Beach Beach 3M Bacteria (Beach Advisories) High 2011 (0 days) St. Andrew Bay advisories solely on beach advisory information received from DOH.^ This parameter is 2012 (9 days) being added to the 303(d) List. 2013 (27 days) 2014 (1 day) 2015 (0 days) Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 Beach Advisories 2012 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2013 (0 days) more of beach advisories in the verified period. This is a beach WBID, which Apalachicola - St George Island (Franklin < 21 days of beach 2014 (0 days) 4 2 20-0257 Apalachicola Bay Franklin 8021A Beach 3M Bacteria (Beach Advisories) High is assessed solely on beach advisory information received from DOH.^ This Chipola Boulevard) advisories 2015 (21 days) parameter is being added to the Verified List and the department is requesting 2016 (0 days) EPA add it to the 303(d) List. 2017 (0 days) 2018 (no advisory) Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Ochlockonee - St. South Ochlockonee Gulf of Mexico (Franklin Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0100 Franklin, Wakulla 8025 Coastal 2 High NA Marks River County; Ochlockonee Bay) Classification) Assessment Section of the Department of Agriculture and Consumer Services. This parameter is (SEAS) thresholds being added to the 303(d) list. Ochlockonee - St. South Ochlockonee < 21 days of beach Beach advisory posted for a total of 33 days in 2001, 61 days in 2002, 106 2 1 09-1982 Wakulla 8025B Mashes Island Beach 3M Bacteria (Beach Advisories) High Marks River advisories days in 2003, 91 days in 2004, 300 days in 2005, and 92 days in 2006 Ochlockonee - St. Coastal Watershed < 21 days of beach Beach advisory posted for a total of 28 days in 2001, 38 days in 2002, 108 2 1 09-1933 Wakulla 8026B Shell Point Beach 3M Bacteria (Beach Advisories) High Marks and Apalachee Bay advisories days in 2003, 83 days in 2004, 229 days in 2005, and 140 days in 2007 This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Ochlockonee - St. Coastal Watershed Gulf of Mexico (Wakulla Fecal Coliform (SEAS Evaluation & 4 1 19-0565 Wakulla 8026C Coastal 2 Low NA Classification Program of the department of Agriculture and Consumer Marks and Apalachee Bay County; Apalachee Bay) Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. ENRX13 (AGM) 2011 (0.41 mg/L) 2012 (0.71 mg/L) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Taylor 2013 (0.47 mg/L) ENRX13: AGM ≤ 0.45 means exceeded the criteria more than once in a three year period. This 4 1 19-0602 Suwannee Other Coastal Dixie, Taylor 8033 County; Steinhatchee Coastal 3M Nutrients (Total Nitrogen) Medium 2014 (0.45 mg/L) mg/L parameter is being added to the Verified List and the department is requesting River) 2015 (0.54 mg/L) EPA add it to the 303(d) List. 2016 (0.56 mg/L) 2017 (0.53 mg/L) 2018 (0.53 mg/L) ENRX13 (AGM) This waterbody is impaired for this parameter because the annual geometric 2015 (0.46 mg/L) Gulf of Mexico (Dixie ENRX13: AGM ≤ 0.45 means exceeded the criteria more than once in a three year period. This 4 1 19-0603 Suwannee Other Coastal Dixie 8034A Coastal 3M Nutrients (Total Nitrogen) Medium 2016 (0.48 mg/L) County) mg/L parameter is being added to the Verified List and the department is requesting 2017 (0.42 mg/L) EPA add it to the 303(d) List. 2018 (0.45 mg/L) Exceeds Shellfish This parameter is impaired because the shellfish harvesting classification is Gulf of Mexico (Dixie Fecal Coliform (SEAS Evaluation & not fully approved by the Shellfish Environmental Assessment Section (SEAS) 3 1 13-0137 Suwannee Other Coastal Dixie 8035B Coastal 2 High N/A County-Shellfish Portion) Classification) Assessment Section of the Department of Agriculture and Consumer Services. It is being added to (SEAS) thresholds the 303(d) list. ENRX13: AGM ≤ 3.3 ENRX14 (AGM) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Dixie µg/L 2015 (8.3 µg/L) means exceeded the criteria more than once in a three year period. This 4 1 19-0604 Suwannee Other Coastal Dixie 8035B Coastal 2 Nutrients (Chlorophyll-a) Medium County-Shellfish Portion) ENRX14: AGM ≤ 3.3 2016 (6.0 µg/L) parameter is being added to the Verified List and the department is requesting µg/L 2017 (6.1 µg/L) EPA add it to the 303(d) List. ENRX13: AGM ≤ 0.45 ENRX14 (AGM) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Dixie mg/L 2015 (0.69 mg/L) means exceeded the criteria more than once in a three year period. This 4 1 19-0605 Suwannee Other Coastal Dixie 8035B Coastal 2 Nutrients (Total Nitrogen) Medium County-Shellfish Portion) ENRX14: AGM ≤ 0.45 2016 (0.60 mg/L) parameter is being added to the Verified List and the department is requesting mg/L 2017 (0.65 mg/L) EPA add it to the 303(d) List. ENRX13: AGM ≤ 0.021 ENRX14 (AGM) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Dixie mg/L 2015 (0.036 mg/L) means exceeded the criteria more than once in a three year period. This 4 1 19-0606 Suwannee Other Coastal Dixie 8035B Coastal 2 Nutrients (Total Phosphorus) Medium County-Shellfish Portion) ENRX14: AGM ≤ 0.021 2016 (0.032 mg/L) parameter is being added to the Verified List and the department is requesting mg/L 2017 (0.029 mg/L) EPA add it to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvesting Area Gulf of Mexico (Levy Fecal Coliform (SEAS Evaluation & 4 1 19-0607 Suwannee Waccasassa River Levy 8037D Coastal 2 High NA Classification Program of the Department of Agriculture and Consumer County; Cedar Key) Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add it to the 303(d) List. Exceeds SEAS 2 1 09-1914 Suwannee Waccasassa River Levy 8038 Waccasassariver Gulf 2 Coastal 3M Bacteria (in Shellfish) Low Listed due to downgrade in shellfish harvesting classification. thresholds This waterbody is impaired for this parameter based on the number of exceedances for the sample size. Stations 21FLSEAS34SEAS100 (east of Crystal River / Kings Gulf of Mexico island with fish shack) and 21FLSEAS34SEAS110 (park beach near Hwy 40) 3 5 18-0324 Springs Coast Citrus, Levy 8038C Coastal 2 Fecal Coliform (3) ≤ 14 MPN/100 mL Low Impaired Bay Planning Unit (Withlacoochee River) had a median value that exceeded the 14 counts/100 mL criterion with at least 20 samples in the verified period. This parameter is being added to the Verified List and the department is requesting EPA add to the 303(d) List. This waterbody is listed as impaired for this parameter because the shellfish Exceeds Shellfish harvesting classification is not fully approved by the Shellfish Harvest Area Crystal River / Kings Gulf of Mexico Fecal Coliform (SEAS Evaluation & 3 5 18-0325 Springs Coast Citrus, Levy 8038C Coastal 2 High NA Classification Program of the department of Agriculture and Consumer Bay Planning Unit (Withlacoochee River) Classification) Assessment Section Services. This parameter is being added to the Verified List and the (SEAS) thresholds department is requesting EPA add to the 303(d) List. ENRV3 (AGM) This waterbody is impaired for this parameter because the annual geometric 2013 (5.2 µg/L) Crystal River / Kings Gulf of Mexico ENRV3 means exceeded the criterion more than once in a three year period during 3 5 18-0326 Springs Coast Citrus, Levy 8038C Coastal 2 Nutrients (Chlorophyll-a) Medium 2014 (5.2 µg/L) Bay Planning Unit (Withlacoochee River) AGM ≤ 4.9 µg/L the verified period. This parameter is being added to the Verified List and the 2015 (3.7 µg/L) department is requesting EPA add to the 303(d) List. 2016 (2.9 µg/L) ENRV3 (AGM): Station This waterbody is impaired for this parameter because the annual geometric ENRV3 21FLWQA 34SEAS110 means exceeded the criterion more than once in a three year period for Crystal River / Kings Gulf of Mexico AGM ≤ -0.0328*AASal 3 5 18-0327 Springs Coast Citrus, Levy 8038C Coastal 2 Nutrients (Total Nitrogen) Medium 2014 (0.72) (2015 station 21FLWQA 34SEAS110 during the verified period. This parameter is Bay Planning Unit (Withlacoochee River) + 1.4177 (0.86) being added to the Verified List and the department is requesting EPA add to 2016 (0.73) the 303(d) List 21FLWQA 34SEAS110. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Crystal River / Kings Gulf of Mexico (Citrus Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1348 Springs Coast Citrus, Levy 8039 Coastal 2 Low N/A Bay Planning Unit County; Crystal River) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. Crystal River / Kings Gulf of Mexico (Citrus This parameter is impaired for this waterbody based on the number of 2 5 12-0549 Springs Coast Citrus, Levy 8039 Coastal 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low 173/1233 Bay Planning Unit County; Crystal River) exceedances for the sample size and is being added to the 303(d) list. Exceeds Shellfish This parameter is listed as impaired because the shellfish harvesting Homosassa River Gulf of Mexico (Citrus Bacteria (Shellfish Evaluation & classification is not fully approved by the Shellfish Environmental Assessment 2 5 13-1349 Springs Coast Citrus 8040 Coastal 2 Low N/A Planning Unit County) Harvesting Classification) Assessment Section Section (SEAS) of the Department of Agriculture. This parameter is being (SEAS) thresholds added to the 303(d) list. Statewide Comprehensive Verified List

OGC Water- 1998 303(d) Parameters Assessed Dissolved Concentration of Projected Year For Water- Priority for TMDL Verified Period Cycle Group Case Group Name Planning Unit County (-ies) WBID Water Segment Name body Parameters of Using the Impaired Oxygen/Biology Criterion or TMDL Comments body Type Development3 Assessment Data4 Number Class1 Concern Waters Rule (IWR) Pollutant of Concern Threshold Not Met Development3 This waterbody is impaired for this parameter because the annual geometric means exceeded the criterion more than once in a three year period during ENRW3 (AGM) the verified period. There was an outlier in the data for 2016 that caused a Gulf of Mexico (Pasco ENRW3 2015 (1.0 µg/L) 3 5 18-0328 Springs Coast Middle Coastal Hernando, Pasco 8043 Coastal 3M Nutrients (Chlorophyll-a) Medium higher value in the AGM. This did not affect the assessment because the County; Hernando County) AGM ≤ 0.8 µg/L 2016 (2.6 µg/L) AGM still exceeded the criterion with the outlier removed. This parameter is 2017 (0.6 µg/L) being added to the Verified List and the department is requesting EPA add to the 303(d) List. ENRW3 (AGM) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Pasco ENRW3 2015 (0.36 mg/L) means exceeded the criterion more than once in a three year period during 3 5 18-0329 Springs Coast Middle Coastal Hernando, Pasco 8043 Coastal 3M Nutrients (Total Nitrogen) Medium County; Hernando County) AGM ≤ 0.45 mg/L 2016 (0.64 mg/L) the verified period. This parameter is being added to the Verified List and the 2017 (0.58 mg/L) department is requesting EPA add to the 303(d) List. pp = Not impaired; vp = Impaired. The waterbody segment exceeded the 21- < 21 days of beach day threshold for closures, advisories, or warnings in 2002 (64 days), 2003 1 5 09-1096 Springs Coast Middle Coastal Pasco 8044A Robert J Strickland Beach Coastal 3M Bacteria (Beach Advisories) High advisories (154 days), 2004 (122 days), and 2005 (147 days) as per IWR Rule 62- 303.360(1)(c). ENRW11 (AGM) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Pasco ENRW11 2015 (0.41 mg/L) means exceeded the criterion more than once in a three-year period. This 3 5 18-0330 Springs Coast Middle Coastal Pasco 8044E County; Pithlachascotee Coastal 3M Nutrients (Total Nitrogen) Medium AGM ≤ 0.47 mg/L 2016 (0.63 mg/L) parameter is being added to the Verified List and the department is requesting River) 2017 (0.59 mg/L) EPA add it to the 303(d) List. Beach Advisories 2008 (5 days) 2009 (0 days) This waterbody is impaired for this parameter because there were 21 days or 2010 (0 days) Sarasota Bay - < 21 days of beach more of beach advisories in the verified period. This is a beach WBID, which 3 3 16-0722 Sarasota Bay Sarasota 8053D Venice Beach Beach 3M Bacteria (Beach Advisories) High 2011 (27 days) Peace - Myakka advisories are assessed solely on beach advisory information received from DOH.^ This 2012 (5 days) parameter is being added to the 303(d) List. 2013 (0 days) 2014 (1 day) 2015 (0 days) This waterbody is impaired for this parameter because the annual geometric Gulf of Mexico (Collier ENRE2 (AGM) Everglades West ENRE2: AGM ≤ 0.25 means exceeded the criteria more than once in a three year period. This 4 1 19-0500 Southwest Coast Collier 8063 County; Rookery Bay- Coastal 3M Nutrients (Total Nitrogen) Medium 2017 (0.43 mg/L) Coast mg/L parameter is being added to the Verified List and the department is requesting Naples) 2018 (0.37 mg/L) EPA add it to the 303(d) List. This waterbody is impaired for this parameter because the annual geometric ENRE2 (AGM) Everglades West Gulf of Mexico (Collier ENRE2: AGM ≤ 0.25 means exceeded the criterion more than once in a three year period. This 4 1 19-0501 Southwest Coast Collier 8064 Coastal 2 Nutrients (Total Nitrogen) Medium 2015 (0.29 mg/L) Coast County; Marco Island) mg/L parameter is being added to the Verified List and the department is requesting 2017 (0.31 mg/L) EPA add it to the 303(d) List. Listed on Cycle 1 Verified List based on change in shellfish harvesting classification (Downgraded from approved to conditional). Current Everglades West 2 1 09-2718 Southwest Coast Collier, Monroe 8065 Southwest Coast Gulf 5 Coastal 3M Bacteria (in Shellfish) classification effective as of September 28, 2004 Conditionally Approved. Coast This WBID is meant to include shellfish downgrades for the Ten Thousand Islands shellfish harvesting area. This parameter is impaired for this waterbody because the annual average 2008 (12 µg/L) Ochlockonee - St. Lake Munson/Fred Munson Slough (Below chlorophyll-a values exceeded the IWR threshold for streams of 20 µg/L in 3 1 13-0102 Leon 807 Stream 3F Nutrients (Chlorophyll-a) ≤ 20 µg/L Medium 2009 (18 µg/L) Marks George Sink Lake Munson) 2010. Based on the median TN/TP ratio of 5.4, total nitrogen is the limiting 2010 (22 µg/L) nutrient. This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of Ochlockonee - St. Lake Munson/Fred Munson Slough (Below Pb ≤ e(1.273[lnH]- 4 1 19-0566 Leon 807 Stream 3F Lead Medium 13/36 exceedances for the sample size. This parameter is being added to the Marks George Sink Lake Munson) 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. ENRG1 (AGM) 2016 (0.26 mg/L) ENRG1 2017 (0.32 mg/L) AGM ≤ 0.25 mg/L ENRG2 (AGM) ENRG2 2016 (0.34 mg/L) AGM ≤ 0.23 mg/L 2017 (0.26 mg/L) This waterbody is impaired for this parameter because the annual geometric Key West And Outlying ENRG3 ENRG3 (AGM) means exceeded the criterion more than once in a three year period during 3 5 18-0266 Florida Keys Lower Keys Monroe 8073 Coastal 3M Nutrients (Total Nitrogen) Medium Islands AGM ≤ 0.21 mg/L 2016 (0.25 mg/L) the verified period. This parameter is being added to the Verified List and the ENRG4 2017 (0.26 mg/L) department is requesting EPA add to the 303(d) List. AGM ≤ 0.21 mg/L ENRG4 (AGM) ENRG6 2016 (0.29 mg/L) AGM ≤ 0.17 mg/L 2017 (0.23 mg/L) ENRG6 (AGM) Insufficient Data < 21 days of beach 1 5 09-0951 Florida Keys Lower Keys Monroe 8073E South Beach (KW) Beach 3M Bacteria (Beach Advisories) High Beach advisories > 21 days/yr in 2002, 2003, 2004, 2005, and 2006. advisories < 21 days of beach 1 5 09-0954 Florida Keys Lower Keys Monroe 8073H Smathers Beach Beach 3M Bacteria (Beach Advisories) High Beach advisories > 21 days/yr in 2002, 2003, 2005, and 2006. advisories < 21 days of beach 1 5 09-0965 Florida Keys Upper Keys Monroe 8078A Harry Harris County Park Beach 3M Bacteria (Beach Advisories) High Beach advisories > 21 days/yr in 2002, 2004, 2005, and 2006. advisories ENRG3 (AGM) ENRG3 2016 (0.28 mg/L) This waterbody is impaired for this parameter because the annual geometric Atlantic Ocean (Monroe AGM ≤ 0.21 mg/L 2017 (0.25 mg/L) means exceeded the criterion more than once in a three year period during 3 5 18-0267 Florida Keys Lower Keys Monroe 8079 County; Cudjoe Key-Key Coastal 3M Nutrients (Total Nitrogen) Medium ENRG6 ENRG6 (AGM) the verified period. This parameter is being added to the Verified List and the West) AGM ≤ 0.17 mg/L 2016 (0.23 mg/L) department is requesting EPA add to the 303(d) List. 2017 (0.25 mg/L) This waterbody is impaired for this parameter based on the number of Ochlockonee - St. Lake Munson/Fred Pb ≤ e(1.273[lnH]- 4 1 19-0567 Leon 807C Lake Munson Lake 3F Lead Medium 11/38 exceedances for the sample size. This parameter is being added to the Marks George Sink 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. Ochlockonee - St. Lake Munson/Fred Munson Slough (Above Pb ≤ e^(1.273[lnH]- This parameter is impaired for this waterbody based on the number of 3 1 13-0103 Leon 807D Stream 3F Lead Medium 11/43 Marks George Sink Lake Munson) 4.705) exceedances for the sample size and is being added to the 303(d) list. PP = 21 / 31; VP = 22 / 38 DO met verification thresholds of IWR, and BOD Biochemical Oxygen Ochlockonee - St. was identified as a causative pollutant. PP no TN, TP, BOD data. VP median 2 1 09-1982 St. Marks River Jefferson, Leon 808 Copeland Sink Drain Stream 3F Dissolved Oxygen Demand (added from < 5.0 mg/L Low Marks TN= 0.93mg/L (n=27), median TP= 0.0755mg/L (n=28), median BOD= comments) 2.7mg/L (n=28). ENRG3 (AGM) ENRG3 2016 (0.33 mg/L) This waterbody is impaired for this parameter because the annual geometric Atlantic Ocean (Monroe AGM ≤ 0.21 mg/L 2017 (0.23 mg/L) means exceeded the criterion more than once in a three year period during 3 5 18-0268 Florida Keys Lower Keys Monroe 8080 County; Bahia Honda- Coastal 3M Nutrients (Total Nitrogen) Medium ENRG6 ENRG6 (AGM) the verified period. This parameter is being added to the Verified List and the Cudjoe Key) AGM ≤ 0.17 mg/L 2016 (0.28 mg/L) department is requesting EPA add to the 303(d) List. 2017 (0.23 mg/L) Statewide Comprehensive Verified List

This waterbody is impaired for this parameter based on the number of Ochlockonee - St. Lake Munson/Fred Pb ≤ e(1.273[lnH]- 4 1 19-0572 Leon 878D Cascade Lake Lake 3F Lead Medium 8/10 exceedances for the sample size. This parameter is being added to the Marks George Sink 4.705) µg/L Verified List and the department is requesting EPA add it to the 303(d) List. PP = 2 / 5; VP = 11 / 26 DO met verification thresholds of IWR, and BOD was Biochemical Oxygen Ochlockonee - St. North Ochlockonee identified as a causative pollutant. PP no TN, TP, BOD data. VP median TN= 2 1 09-1966 Gadsden, Liberty 879 Hammock Creek Stream 3F Dissolved Oxygen Demand (added from < 5.0 mg/L Low Marks River 0.8185mg/L (n=22), median TP= 0.028mg/L (n=26), median BOD= 2.95mg/L comments) (n=24). Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0530 Walton 881A Direct Runoff to Bay Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 8/29 St. Andrew Bay exceedances for the sample size and is being added to the 303(d) List. This waterbody is impaired for this parameter based on the number of exceedances for the sample size. The waterbody includes at least one Choctawhatchee - Choctawhatchee 3 3 16-0531 Walton 881A Direct Runoff to Bay Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired sampling location that has a median fecal coliform MPN value that exceeds 14 St. Andrew Bay counts per 100 ml for the verified period. This parameter is being added to the 303(d) List. This parameter is impaired for this waterbody based on the number of exceedances for a sample size less than 20. Fewer than twenty samples may Ochlockonee - St. be used to identify a waterbody as impaired if there are at least five 3 1 13-0106 Lake Lafayette Leon 883B Virginia Tributary Stream 3F Fecal Coliform ≤ 400 Counts / 100 mL Low 9/15 Marks exceedances, per Rule 62-303.420(7)(a), F.A.C. This WBID was created from the retired WBIDs 863 and 883 that were not on the Verified List for this parameter. This parameter is being added to the 303(d) list. This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been Ochlockonee - St. North Ochlockonee 4 1 19-0573 Leon 896 Polk Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 9/20 identified using genetic marker and chemical tracer data. This parameter is Marks River being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Ochlockonee - St. 2 1 09-1990 Telogia Creek Liberty 913 Big Creek Stream 3F Fecal Coliform > 400 Counts/100 ml Low PP = 0 / 2; VP = 7 / 22 Marks Escambia, WBID did not meet the Class II water quality criteria for fecal coliforms 2 4 10-3079 Pensacola Pensacola Bay Okaloosa, Santa 915 Santa Rosa Sound Estuary 2 Fecal Coliform (3) ≤ 14 MPN / 100 mL Low Impaired because the median value for the verified period exceeded 14 MPN/100 mL. Rosa < 21 days of beach 1 4 06-0615 Pensacola Pensacola Bay Santa Rosa 915B Navarre Park Hwy. 98 Coastal 3M Bacteria (Beach Advisories) Medium 2012 Beach advisories > 21 days/yr for 2004. advisories < 21 days of beach 1 4 06-0616 Pensacola Pensacola Bay Okaloosa 915C Liza Jackson Park Coastal 3M Bacteria (Beach Advisories) Medium 2012 Beach advisories > 21 days/yr for 2003-2004. advisories < 21 days of beach 1 4 06-0617 Pensacola Pensacola Bay Okaloosa 915D Marler Park Coastal 3M Bacteria (Beach Advisories) Medium 2012 Beach advisories > 21 days/yr for 2003-2004. advisories Ochlockonee - St. Lake Munson/Fred 2 1 09-1957 Leon 916 East Drainage Ditch Stream 3F Coliforms Fecal Coliform > 400 Counts/100 ml High PP = 2 / 8; VP = 9 / 28. EPA established a TMDL on 11/27/2006. Marks George Sink Choctawhatchee - Choctawhatchee This parameter exceeds the listing threshold and will be added to the 303(d) 2 3 10-0464 Okaloosa 917A Destin Harbor Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low vp=17/61 St. Andrew Bay List. Ochlockonee - St. 2 1 09-1941 Lake Lafayette Leon 919 Unnamed Slough Stream 3F Fecal Coliform > 400 Counts/100 ml Low PP = 1 / 1; VP = 13 / 21 Marks This waterbody is impaired for this parameter based on the number of exceedances for the sample size, and anthropogenic sources have been Ochlockonee - St. North Ochlockonee 4 1 19-0574 Leon 921 Harvey Creek Stream 3F Escherichia coli ≤ 410 Counts / 100 mL High 7/22 identified using genetic marker and chemical tracer data. This parameter is Marks River being added to the Verified List and the department is requesting EPA add it to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0532 Walton 937 Mack Bayou Estuary 2 Fecal Coliform ≤ 43 MPN / 100 mL Low 5/10 St. Andrew Bay exceedances for the sample size and is being added to the 303(d) List. Choctawhatchee - Choctawhatchee This waterbody is impaired for this parameter based on the number of 3 3 16-0533 Holmes 94 Limestone Branch Stream 3F Iron ≤ 1.0 mg/L Medium 5/8 St. Andrew River exceedances for the sample size and is being added to the 303(d) List. DOH Fish Tissue This waterbody is impaired for this parameter based on DOH fish consumption Assessment based on Choctawhatchee - Choctawhatchee Action Level For advisory data from 2012 for 20 Bluegill with an average arsenic concentration 3 3 19-1040 Bay 950 Otter Creek Stream 3F Arsenic (in fish tissue) Medium DOH Fish Tissue St. Andrew River Recreational of 0.018 mg/kg. This parameter is being added to the Verified List and the Studies Fishermen department is requesting EPA add it to the 303(d) List. Statewide Comprehensive Verified List

1 Florida's waterbody classifications are defined as: 1 - Potable water supplies 2 - Shellfish propagation or harvesting 3F - Recreation, propagation, and maintenance of a healthy, well-balanced population of fish and wildlife in fresh water 3M - Recreation, propagation, and maintenance of a healthy, well-balanced population of fish and wildlife in marine water 4 - Agricultural water supplies 5 - Navigation, utility, and industrial use 4 Where data are presented as x/y, x represents the number of exceedances and y represents the total number of samples. Where Biology data are presented as SCI (n=y), y represents the total number of samples; WBID Mean is the average value of all temporally independent biological health assessment scores over the assessment period; Mean 1 is the first temporally independent average of all biological health assessments within the most recent consecutive three month period; Mean 2 is the second temporally independent average of all biological health assessments within the most recent consecutive three month period prior to the most recent biological health assessment. Abbreviations: WBID - Waterbody Identification; NA - Not Applicable, does not apply, or was not assessed in the previous cycle (i.e. it's a new WBID, waterbody type change, etc.); COAA - Coastal Nutrient Region Atlantic; COAG - Coastal Nutrient Region Gulf; ENR - Estuary Nutrient Region; AAM - Annual Arithmetic Mean; AGM - Annual Geometric Mean; LTA - Long Term Average; LTAAM - Long Term Annual Arithmetic Mean; SSAC - Site Specific Alternative Criteria; WQBEL - Water Quality Based Effluent Limit.