San Pedro Watershed Assessments

San Pedro 6,610

San Pedro Watershed Assessments - 1 Watershed San Pedro Ephemeral 665 29,471 Intermittent Non-perennial 195 1,319 Estimated Surface Water Resources in the San Pedro Watershed in the San Pedro Resources SurfaceEstimated Water Perennial Perennial Willcox Playa Playa Willcox Upper San Pedro Draw Whitewater Willcox Playa, a terminal basin (does not drain out of the area), which contains a 30,000 acre ephemeral lake (playa); (playa); the area), which drain out of lake contains a 30,000 acre ephemeral basin (does not a terminal Playa, Willcox and and Black Draw. Draw Whitewater Yaqui in Mexico: Rio to the short relatively that flow drainages Two San Pedro River, which begins in the mountains near Cananea Sonora, Mexico, and flows north 100 miles and flows about which Sonora, Mexico, near Cananea begins in the mountains River, San Pedro Arizona; near Winkelman, join the Gila River Arizona to southeast corner of the through 15050201 15050202 San Pedro 15050203 Lower 15080301 15080302 San Bernardino Valley • • • Stream miles Stream acres Lake identified water quality problems on intermittent and even ephemeral waters. ephemeral even and on intermittent quality problems water identified Estimated miles and acres are based on U.S. Geological Survey digitized hydrology at 1:100,000 and have been rounded been rounded and have at 1:100,000 digitized hydrology Geological Survey miles and acres are based on U.S. Estimated have special investigations however, on perennial waters; focuses 5 miles or 5 acres. Ambient monitoring the nearest to use management and conservation measures necessary to restore and maintain the sustainable yield of the aquifer. use management and conservation measures necessary restore to table. in the following is provided in the Salt Watershed resources of surfaceAn estimate water The area gets little precipitation, with 10-15 inches of rain and 0-5 inches of snow. Springs provide perennial flow to segments perennial flow Springs provide inches of rain and 0-5 inches of snow. little precipitation, with 10-15 The area gets and pumping water been raised about ground Concerns have in this watershed. streams and other River of the San Pedro impact on perennial flow area and the potential Base -- Sierra Vista Huachuca Fort Army demand in the rapidly growing water water develop Huachuca In 2003, a Fort Preservation to Legislation required the Secretary of Interior River. in the San Pedro Water Resources Water Elevation varies from 4,000 feet (above sea level), with desert grassland and warmwater aquatic communities, to 10,700 10,700 aquatic communities, to with desert grassland and warmwater sea level), (above 4,000 feet from varies Elevation aquatic communities where typically support 5,000 feet coldwater Areas above with alpine forest. at Mount Graham, feet exist. perennial waters approximately as: 40% private, 40% state, 20% federal (no tribal land). The Bureau of Land Management established a of Land Management established a (no tribal land). The Bureau 20% federal 40% state, as: 40% private, approximately critical habitat. this protect Conservation Riparian National 1988 to Area in 50,000 acre San Pedro include the rapidly growing Sierra Vista area and several historic towns, such as Tombstone, Douglas, and Bisbee. Grazing Douglas, such as Tombstone, towns, historic Sierra Vista area and several growing include the rapidly copper, Historic watershed. side of the on the eastern located agriculture significant areas of irrigated is widespread, with Land ownership is divided are still active. mines only a few however, watershed; the place across and gold mining took silver, It is a 7,015 square mile watershed is lightly populated with only 130,000 Communities in the area people (2000 census). is lightly populated mile watershed square It is a 7,015 Watershed Description Watershed areas: hydrological encompasses three This watershed San Pedro Watershed Pedro San Technical Support” document. Technical These drainage areas and the surface waters assessed as “attaining” or “impaired” are illustrated on the following watershed watershed on the following These drainage areas and the surface assessed as “attaining” or “impaired” are illustrated waters and Methods Assessment Surface Water these assessments are described in the “2010 complete used to map. Methods The San Pedro Watershed can be separated into the following drainage areas (subwatersheds): the following into can be separated Watershed The San Pedro Assessments G i la R San Pedro San Pedro Watershed Assessments - 2 iv " er Gi la R i v San PePimdaro Watershede ÷ø77 " r " Thatcher ¤£191 ø75 Legend " ÷ " Towns Safford Duncan Mammoth ¤£70 " " Streams Aravaipa C S a 366 Highways n ÷ø P 1 Oracle e Tanque 5 d 15050203 reek " " r 0 Lakes o

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e G r San Pedro San Pedro Watershed Assessments - 4 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess 1 dissolved nickel. and selenium boron, chromium, manganese,mercury,arsenic, 2-3 total and0-2dissolved: zinc antimony, cadmium,copper, beryllium, lead,and 3 total anddissolved: Near Klondyke At NatureConservancy yon At HellsHalfAcre Can NA Site Name(s) Priority Low onitoring Summary Sampling period:8/20/2008- ravaipa Creek ame here Reach Description Outstanding ArizonaWater 15.5 mile 15050203-004B Stowe Gulch-endofAravaipa WildernessArea Metals Samples A&Ww- Collect allcoreparameters to representatleast3seasonsduringanassessmentperiod. - Use Support AGL - SPARA026.35 SPARA011.92 12/15/2008 Site ID# Inconclusive •FC-Inconclusive Inconclusive •FBC-Inconclusive No Exceedances None N/A Selenium (A&W) All designated uses oxygen, andpH Kjeldahl nitrogen, dissolved phosphorus, nitrite/nitrate, total 3 ammonia,total nitrogen, total 106882 100716 DEQ # Nutrients &Related Samples Monitoring Recommendations Sampling Agency ADEQ ADEQ Ambient, Stream Ecosystem Monitor ing Ambient, Stream Ecosystem Monitor ing

2 bottom deposits 2 turbidity solved solids 3 E. coli Category ?3 Category Use Attainment bacteria, fluoride, total dis Inconclusive Other Samples Purpose - - - San Pedro -

Purpose Other Samples bacteria Designated use support,Designated Category 2 Attaining some uses Attaining E. coli supporting comments evidence, 7 5 fluoride solids dissolved 5 total 8 suspended sediment concentration 5 turbidity 1 biocriteria TMDL Biocriteria Network, Station Fixed San Pedro Watershed Assessments - 5 Watershed San Pedro FBC is inconclusive. Only 1 exceedance Only 1 exceedance FBC is inconclusive. in 4 samples (binomial). A&Ww is attaining. All exceedances occurred during or within 48 hours after events. local storm A&Ww is inconclusive. A&Ww is inconclusive. Only 1 exceed Only A&Ww is inconclusive. ance in 7 samples (binomial). These exceedances FBC is inconclusive. occurred during flood flows. ADEQ ADEQ IBI 45 21.4 ug/L 819 mg/L 819 5.54 mg/L 1104 mg/L 1104 14684 mg/L Sampling Agency 313 cfu/100 mL cfu/100 313 1120 mL cfu/100 Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 105601 100212 5-7 ammonia, total nitrogen, nitrogen, 5-7 ammonia, total phosphorus, nitrite/nitrate, total dissolved nitrogen, Kjeldahl total and pH oxygen, Exceedances 4/6/2005 7/24/2008 7/21/2008 7/21/2008 7/16/2008 7/16/2008 7/16/2008 7/11/2008

Attaining • FC - Attaining • FC Attaining Inconclusive • FBC - Inconclusive • FBC Inconclusive Site ID # Site 12/17/2008 AGL - AGL SPARA010.19 SPARA000.28 15 ug/L 80 mg/L Use SupportUse 6.0 mg/L A&Ww - IBI ≤ 39 violating IBI ≥ 50 attaining

Applicable Standard 235 cfu/100 mL, SSM 235 cfu/100 Metals Samples Metals IBI 40 - 49 inconclusive

15050203-004C Aravaipa Cyn Wilderness - San Pedro River - San Pedro Cyn Wilderness Aravaipa 12.6 miles ravaipa Creek ravaipa Sampling period: 8/16/2004 - Sampling period: 8/16/2004 onitoring Summary onitoring

Site Name(s) Site A SSC

Lead E. coli oxygen Dissolved Dissolved Biocriteria Parameter boron, chromium, manganese, and selenium chromium, boron, and 1 dissolved: 1 total and silver barium, nickel, antimony, arsenic, beryllium, cadmium, copper, arsenic, beryllium, cadmium, copper, antimony, and zinc lead, mercury, and 0-2 dissolved: 5-7 total 3-5 total and dissolved: and dissolved: 3-5 total At Woods Ranch Woods At At Highway 77 Bridge 77 Highway At M San Pedro San Pedro Watershed Assessments - 6 Data GapsandMonitoring Needs Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Medium Priority Use alower labdetection limitfor selenium. Collect anadditionalmacroinvertebrate sampleto verify thebioassessmentresult. Collect additionaldissolved oxygen, Dissolved oxygen (A&W), Selenium (A&W) None None E. coli Monitoring Recommendations bacteria, andleadsamplesdueto exceedances. E. coli (FBC),leadandbiocriteria (A&W) San Pedro - -

Purpose Other Samples bacteria Designated use support,Designated Category 2 Attaining some uses Attaining E. coli supporting comments evidence, 8 5 fluoride solids dissolved 4 total 6 suspended sediment 8 turbidity Ambient TMDL San Pedro Watershed Assessments - 7 Watershed San Pedro the median value determination. The determination. the median value did of 5 remaining samples median value the criterion. exceed not FBC is inconclusive. 1 single sample ex 1 single sample FBC is inconclusive. of moni ceedance during the last 3 years collected was The sample Note: toring. flow. within 48 hours after a peak storm A&Ww is attaining. 1 of 2 exceedances within 48 hours occurred of a (8/17/06) from excluded and was event local storm USGS ADEQ 326 mg/L 3900 mg/L Sampling Agency 1414 cfu/100 mL cfu/100 1414 Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 101488 103548 3-5 ammonia, total nitrogen, nitrogen, 3-5 ammonia, total phosphorus, nitrite/nitrate, total Kjeldahl nitrogen and total oxygen 7 dissolved 8 pH Exceedances 8/7/2006 8/17/2006 8/17/2006 Attaining • FC - Attaining • FC Attaining Attaining • FBC - Inconclusive • FBC Attaining Site ID # Site 11/4/2008 AGL - AGL SPBBR003.49 SPBBR000.06 Use SupportUse 80 mg/L A&Ww -

Applicable Standard 235 cfu/100 mL, SSM 235 cfu/100 Metals Samples Metals

15050202-004 Banning Creek - San Pedro River - San Pedro Banning Creek 32.7 miles abocomari River abocomari Sampling period: 1/2/2004 - onitoring Summary onitoring

Site Name(s) Site B SSC

E. coli Parameter mercury and selenium 6-7 total metals only: only: metals 6-7 total and manganese chromium, boron, and 0-2 dissolved: 5-7 total 7 dissolved and total: and total: 7 dissolved arsenic, beryllium, cadmium, copper, antimony, lead, and zinc USGS 09471400 Mouth Near Fairbank on Hwy 82 Townsite Near Tombstone, AZ, Near Tombstone, M San Pedro San Pedro Watershed Assessments - 8 Data GapsandMonitoring Needs Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Medium Priority criterion. Use alower labdetection limitfor limitfor leadislower selenium.Ensurealabreporting thantheFBC ment. Collect additional E. coli samplesdueto theexceedance ofSanPedro andinsupport TMDLdevelop Lead (FBC)andselenium(A&W) None None E. coli bacteria Monitoring Recommendations - San Pedro - Purpose Other Samples bacteria, fluoride, suspended bacteria, Attaining all uses Attaining Category 1 Designated use support,Designated E. coli 4 dis sediment concentration, total solids, and turbidity solved

Fixed Station Network Station Fixed San Pedro Watershed Assessments - 9 Watershed San Pedro supporting comments evidence, A&Ww is attaining. Low dissolved oxygen due oxygen dissolved Low A&Ww is attaining. cfs). conditions (0.1 flow low to ADEQ Sampling Agency 2.66 mg/L Monitoring Recommendations Monitoring Date & Result Date Attaining Nutrients & Related Samples Nutrients & Related DEQ # 100217 4 ammonia, total nitrogen, total total nitrogen, 4 ammonia, total total phosphorus, nitrite/nitrate, dissolved Kjeldahl nitrogen, and pH oxygen, None Selenium (A&W) None None Exceedances 9/14/2004 FC - Site ID # Site 4/19/2005 SPBAS000.62 Attaining • FBC - Attaining • AGL - Attaining • AGL - Attaining • FBC Attaining Use SupportUse 6.0 mg/L - Use a lower lab detection limit for selenium. limit for lab detection Use a lower Applicable Standard Metals Samples Metals

15050203-899B Tributary at 322606 / 1101318 - Hot Springs Canyon Creek Canyon Springs - Hot 322606 / 1101318 at Tributary miles 7.9 ass Canyon Creek Canyon ass

A&Ww - Sampling period: 9/14/2004 - Sampling period: 9/14/2004 onitoring Summary onitoring Low Priority

Site Name(s) Site

oxygen Dissolved Dissolved Parameter boron, chromium, manganese, mercury, and manganese, mercury, chromium, boron, selenium antimony, arsenic, beryllium, cadmium, copper, arsenic, beryllium, cadmium, copper, antimony, lead, and zinc and 0-1 dissolved: 4 total 4 dissolved and total: and total: 4 dissolved Above Hot Springs Can Hot Above Creek yon Lab Detection Limits Not Low Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters Missing Seasonal Distribution

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 10 Data GapsandMonitoring Needs M selenium boron, chromium, manganese,mercury, and 4 total and0-1dissolved: lead, andzinc antimony, cadmium, copper, beryllium, arsenic, 4 dissolved and total: East ofBassCanyon Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Dissolved oxygen B Site Name(s) Priority Low onitoring Summary Sampling period:9/16/2004 - A&Ww- ass Canyon Tributary 1 mile Headwaters -BassCanyon Creek 15050203-935 Metals Samples Applicable Standard Use alower labdetection limitfor selenium. 6.0 mg/L Use Support Attaining •FBC-Attaining •FC-Attaining SPUBS000.22 4/21/2005 Site ID# 4/21/2005 Exceedances Selenium (A&W) None None None oxygen, andpH total Kjeldahl nitrogen, dissolved total phosphorus,nitrite/nitrate, 3-4 ammonia,total nitrogen, 100224 DEQ # Nutrients &Related Samples Date &Result Monitoring Recommendations 5.25 mg/L Sampling Agency ADEQ to low flow conditions(0.05cfs). A&Ww isattaining.Low dissolved oxygen due supporting evidence, comments supporting Fixed Station Network

dissolved solids,andturbidity pended sedimentconcentration,total 3-4 Designated use support, Designated usesupport, Category 1 Category E. coli Attaining alluses bacteria, fluoride,sus Other Samples Purpose - San Pedro Purpose Impaired Other Samples Designated use support,Designated Category 5 None

supporting comments evidence, TMDL San Pedro Watershed Assessments - 11 Watershed San Pedro PBC is inconclusive. 1 exceedance in 2 1 exceedance PBC is inconclusive. samples (binomial). A&We remains impaired. A&We ADEQ 25 ug/L 30 ug/L 380 ug/L Sampling Agency Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 103439 None Impairment Discussion pH (A&We, PBC) pH (A&We, uses All designated N/A Lead (PBC) Exceedances 9/27/2004 8/14/2004 8/14/2004 Impaired • PBC - Inconclusive Impaired Status Site ID # Site 9/27/2004 SPBRG001.03 A&We - A&We Impairment 15 ug/L Copper (EPA, 2004 and ADEQ, 2006/2008) 2004 and Copper (EPA, Conduct follow-up monitoring once copper TMDL and site specific copper standards are established. once copper TMDL and site Conduct follow-up monitoring the exceedance. Collect lead samples due to Applicable Standard Metals Samples Metals

5.1 ug/L at 20 mg/L hardness 5.1 15080301-337 Headwaters - Mule Gulch - Mule Headwaters miles 1.1 10.3 ug/L at 42 mg/L hardness 10.3 rewery Gulchrewery

Sampling period: 8/14/2004 - Sampling period: 8/14/2004 d onitoring Summary onitoring Site specific standard (SSS) development is ongoing. TMDL will be developed once SSS had been determined. is ongoing. TMDL will be developed specific standard (SSS) development Site Priority Site Name(s) Site

Medium B Lead

Copper Parameter 2 total and dissolved: and dissolved: 2 total lead, and zinc cadmium, copper, Lab Detection Limits Not Low Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters Missing Seasonal Distribution Above Mineral Zone Mineral Above

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 12 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess boron, manganese,mercury, andselenium 2-3 total and0-1dissolved: um, copper, lead,andzinc antimony, cadmium, chromi beryllium, arsenic, 2-3 total anddissolved: Below Canyon Bullock NB Site Name(s) Priority Low onitoring Summary Sampling period:11/8/2004- uehman Canyon Creek ame here Outstanding ArizonaWater 15050203-010A Reach Description 10.5 miles ID Headwaters -endofdesignated OutstandingArizonaWater Metals Samples A&Ww- Use alower labdetection limitfor selenium. Collect allcoreparameters to representatleast3seasonsduringanassessmentperiod. Use Support AGL - SPBHC004.66 4/4/2005 Site ID# Inconclusive •FC-Inconclusive Inconclusive •FBC-Inconclusive No Exceedances - Selenium (A&W) All designated uses None N/A oxygen, andpH Kjeldahl nitrogen, dissolved phosphorus, nitrite/nitrate, total 3 ammonia,total nitrogen, total 100425 DEQ # Nutrients &Related Samples Monitoring Recommendations Sampling Agency ADEQ Fixed Station Network

concentration, andturbidity solved solids, suspendedsediment 3 E. coli Category ?3 Category Use Attainment bacteria, fluoride, total dis Inconclusive Other Samples Purpose - San Pedro - - Purpose Other Samples Inconclusive bacteria, fluoride, total dis total fluoride, bacteria, Category 3 Designated use support,Designated E. coli 3 solids, suspended sediment solved concentration, and turbidity

Fixed Station Network Station Fixed San Pedro Watershed Assessments - 13 Watershed San Pedro supporting comments evidence, A&Ww chronic is inconclusive. Only 1 exceed Only 1 is inconclusive. A&Ww chronic ance during the assessment period. ADEQ Sampling Agency 31.1 ug/L 31.1 Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 100944 3 ammonia, total nitrogen, total total nitrogen, 3 ammonia, total total phosphorus, nitrite/nitrate, dissolved Kjeldahl nitrogen, and pH oxygen, All designated uses All designated Selenium (A&W) Dissolved copper Dissolved None Exceedances 3/9/2005 - Inconclusive • FBC - Inconclusive • FBC Inconclusive Inconclusive • FC - Inconclusive • Inconclusive Site ID # Site 4/5/2005 SPCOP008.37 AGL - AGL Use SupportUse Collect additional dissolved copper samples due to the exceedance. the exceedance. copper samples due to Collect additional dissolved least 3 seasons during an assessment period. represent at to Collect core parameters selenium. limit for lab detection Use a lower A&Ww - Applicable Standard Metals Samples Metals 15050203-022A Headwaters - Prospect Canyon - Prospect Headwaters 6.6 miles 28 ug/L at 380 mg/L hardness 28 ug/L at 380 mg/L opper Creek opper Sampling period: 9/30/2004 - d onitoring Summary onitoring Priority Site Name(s) Site

Medium C

Copper Parameter boron, manganese, mercury, selenium manganese, mercury, boron, antimony, arsenic, beryllium, cadmium, chromi antimony, zinc lead, and um, copper, and 0-1 dissolved: 2-3 total 2-3 total and dissolved: and dissolved: 2-3 total Below Dark Canyon Dark Below Lab Detection Limits Not Low Enough Low Limits Not Lab Detection Missing Core Parameters Missing Seasonal Distribution Exceedances Needing More Samples to Assess Needing More Samples to Exceedances

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 14 Data GapsandMonitoring Needs M selenium boron, chromium, manganese,mercury, and 4 total and0-1dissolved: lead, andzinc antimony, cadmium, copper, beryllium, arsenic, 4 dissolved and total: Near Mouth Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Dissolved oxygen D Site Name(s) Priority Low onitoring Summary Sampling period:9/15/2004- A&Ww- ouble RCanyon Creek 5 miles Headwaters -BassCanyon Creek 15050203-902 Metals Samples Applicable Standard Use alower labdetection limitfor selenium. 6.0 mg/L Use Support Attaining •FBC-Attaining •FC-Attaining SPDOU000.18 4/21/2005 Site ID# 9/15/2004 Exceedances Selenium (A&W) None None None oxygen, andpH total Kjeldahl nitrogen, dissolved total phosphorus,nitrite/nitrate, 3-4 ammonia,total nitrogen, 100223 DEQ # Nutrients &Related Samples Date &Result Monitoring Recommendations 5.51 mg/L Sampling Agency ADEQ to low flow conditions(0.06cfs). A&Ww isattaining.Low dissolved oxygen due supporting evidence, comments supporting Fixed Station Network

Purpose Other Samples bacteria, fluoride, total dis total fluoride, bacteria, Category 2 Designated use support,Designated Attaining some uses Attaining E. coli 6 solids, suspended sediment, solved and turbidity deposits 1 bottom Ambient, Stream Ecosystem Monitor Ecosystem Ambient, Stream ing San Pedro Watershed Assessments - 15 Watershed San Pedro supporting comments evidence, A&Wc is attaining. Low dissolved oxygen due oxygen dissolved Low A&Wc is attaining. upwelling. and groundwater flow low to ADEQ Sampling Agency 4.56 mg/L Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 100561 6 ammonia, total nitrogen, total total nitrogen, 6 ammonia, total total phosphorus, nitrite/nitrate, dissolved Kjeldahl nitrogen, and pH oxygen, Dissolved cadmium and zinc (A&W). Dissolved cadmium and zinc (A&W). Dissolved selenium lead, and zinc) and total (cadmium, copper, metals Dissolved (A&W) None Exceedances 8/17/2004 - Site ID # Site 12/16/2008 SPGRA007.71 DWS - Attaining • FC - Attaining • - Attaining DWS Use SupportUse 7.0 mg/L 7.0 Inconclusive • FBC - Attaining • AGL - Attaining - Attaining • AGL - Attaining • FBC Inconclusive Collect core parameters to represent at least 3 seasons during an assessment period. represent at to Collect core parameters sele lead, and zinc) and total (cadmium, copper, metals the dissolved limits for lab detection Use lower attainment of A&W. determine nium to Applicable Standard Metals Samples Metals

15050201-033A Headwaters - Tributary at 323809 / 1095635 at 323809 / - Tributary Headwaters 6.8 miles rant Creek rant

Sampling period: 8/17/2004 - Sampling period: 8/17/2004 onitoring Summary onitoring A&Wc - Low Priority

Site Name(s) Site

oxygen Dissolved Dissolved Parameter Below Post Creek Post Below Lab Detection Limits Not Low Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters Missing Seasonal Distribution boron, cadmium, chromium, manganese, sele cadmium, chromium, boron, nium, and zinc antimony, arsenic, beryllium, copper, lead, and arsenic, beryllium, copper, antimony, mercury and 0-1 dissolved: 6 total 6 total and 3-6 dissolved: and 3-6 dissolved: 6 total

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 16 Data GapsandMonitoring Needs M and selenium boron, chromium, lead,manganese,mercury, 1 total only: and zinc antimony, cadmium, copper, beryllium, arsenic, 1 total anddissolved: At HWY92 Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter E. coli Lead G Medium Site Name(s) Priority onitoring Summary Sampling period:7/27/2006 reenbush Draw 11.5 miles Tributary at312156 /1100214 -Tributary at312257 /1100417 15050202-425 Metals Samples 576 cfu/100 mL,SSM Applicable Standard Collect coreparameters to represent atleast3seasonsduringanassessmentperiod. Collect additional A&We –Inconclusive• PBC- Use Support 15 ug/L SPGBD3.81 Site ID# E. coli bacteria andleadsamplesdueto exceedances. 7/27/2006 7/27/2006 Exceedances N/A All designated uses None E. coli pH nitrogen, dissolved oxygen, and gen, phosphorus,total Kjeldahl 1 ammonia,nitrate, total nitro 103546 DEQ # Nutrients &Related Samples Date &Result andlead(PBC) Monitoring Recommendations 691 cfu/100 mL Sampling Agency 110 ug/L ADEQ Inconclusive 1 samplingevent. PBC isinconclusive. Only1exceedance in event. This exceedance occurredduringastorm during thelast3years ofmonitoring. Note: PBC isinconclusive. Only1exceedance - TMDL concentration 1 fluorideandsuspendedsediment supporting evidence, comments supporting Category 3 Category Designated use support, Designated usesupport, Inconclusive Other Samples Purpose

San Pedro - - -

Purpose Other Samples bacteria, fluoride, total dis total fluoride, bacteria, Designated use support,Designated Category 2 Attaining some uses Attaining E. coli 5 solids, suspended sediment solved concentration, and turbidity 1 biocriteria Fixed Station Network/Ambient, Bio Network/Ambient, Station Fixed criteria San Pedro Watershed Assessments - 17 Watershed San Pedro supporting comments evidence, A&Ww is inconclusive. Only 1 chronic ex 1 chronic Only A&Ww is inconclusive. ceedance in the assessment period. ADEQ 15 ug/L Sampling Agency Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related Attaining DEQ # 100574 5 ammonia, total nitrogen, total total nitrogen, 5 ammonia, total total phosphorus, nitrite/nitrate, dissolved Kjeldahl nitrogen, and pH oxygen, None None lead (A&W) Selenium and dissolved Dissolved copper (A&W) Dissolved Exceedances 4/19/2005 FC -

acute Site ID # Site 11/12/2008 SPHSC010.67 , 14.4 ug/L , 14.4 Use SupportUse chronic Inconclusive • FBC - Attaining • AGL - Attaining • AGL - Attaining • FBC Inconclusive Collect copper samples due to the exceedance. the exceedance. Collect copper samples due to lead. selenium and dissolved limits for lab detection Use lower Applicable Standard at 108 mg/L hardness at 108 Metals Samples Metals 9.6 ug/L 15050203-013 Headwaters - San Pedro River Pedro - San Headwaters 25.9 miles ot Springs Springs ot Canyon Sampling period: 9/14/2004 - Sampling period: 9/14/2004 d onitoring Summary onitoring A&Ww - Priority Site Name(s) Site

Medium H

Copper Parameter boron, chromium, manganese, mercury, and manganese, mercury, chromium, boron, selenium antimony, arsenic, beryllium, cadmium, copper, arsenic, beryllium, cadmium, copper, antimony, lead, and zinc and 0-2 dissolved: 5 total 5 total and dissolved: and dissolved: 5 total Below Wildcat Canyon Below Lab Detection Limits Not Low Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters Missing Seasonal Distribution

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 18 Data GapsandMonitoring Needs M barium, nickel, selenium,silver, uranium 2-3 dissolved metals only: 1 total mercury chromium, copper, lead,manganese,andzinc antimony, boron, cadmium, beryllium, arsenic, 1-3 total anddissolved: Wildlife Refuge At LeslieCanyon Natl Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Dissolved oxygen L Site Name(s) Priority Low onitoring Summary Sampling period: 8/18/2004 - Sampling period:8/18/2004 eslie Creek 24.5 miles Headwaters -Whitewater Draw 15080301-007 Metals Samples Applicable Standard A&Ww- Use alower labdetection limitfor selenium. Collect coreparameters to representatleast3seasonsduring anassessmentperiod. 6.0 mg/L Use Support AGL - SPLES012.75 6/3/2008 Site ID# Inconclusive •FC-Inconclusive Inconclusive •FBC-Inconclusive 8/18/2004 Exceedances Selenium (A&W) All designated uses E. coli None oxygen, andpH total Kjeldahl nitrogen, dissolved total phosphorus,nitrite/nitrate, 1-2 ammonia,total nitrogen, 101500 DEQ # Nutrients &Related Samples Date &Result bacteria (FBC) Monitoring Recommendations 2.6 mg/L Sampling Agency USGS andADEQ to low flow conditions(0.03cfs). A&Ww isattaining.Low dissolved oxygen due supporting evidence, comments supporting Ambient/Fixed Station Network

turbidity pended sedimentconcentration,and 1 fluoride, total dissolved solids,sus Designated use support, Designated usesupport, Category 3 Category Inconclusive Other Samples Purpose - San Pedro - Purpose Other Samples bacteria, fluoride, total dis total fluoride, bacteria, Attaining all uses Attaining Category 1 Designated use support,Designated E. coli 3 solids, suspended sediment, solved and turbidity

Ambient Network Station Fixed San Pedro Watershed Assessments - 19 Watershed San Pedro supporting comments evidence, A&Wc is attaining. Low dissolved oxygen due oxygen dissolved Low A&Wc is attaining. (0.5 cfs). flow a low to ADEQ ADEQ Sampling Agency 5.19 mg/L 5.19 Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 106505 100592 3 ammonia, total nitrogen, total total nitrogen, 3 ammonia, total total phosphorus, nitrite/nitrate, dissolved Kjeldahl nitrogen, and pH oxygen, None None None Selenium (A&W) Exceedances 3/30/2005 Attaining • FC - Attaining • FC Attaining 8/21/2008 Site ID # Site SPMLC013.56 SPMLC012.43 DWS - DWS Attaining • FBC - Attaining • AGL - Attaining • AGL - Attaining • FBC Attaining Use SupportUse 7.0 mg/L 7.0 Use a lower lab detection limit for selenium. limit for lab detection Use a lower Applicable Standard Metals Samples Metals

Headwaters - Broken Arrow Ranch Arrow - Broken Headwaters 15050202-409A 4.3 miles iller Canyon iller A&Wc -

Sampling period: 12/16/2004 - Sampling period: 12/16/2004 onitoring Summary onitoring Low Priority

Site Name(s) Site

oxygen Dissolved Dissolved Parameter boron, chromium, manganese, and selenium chromium, boron, antimony, arsenic, beryllium, cadmium, copper, arsenic, beryllium, cadmium, copper, antimony, and zinc lead, mercury, only: metals 1-3 total 3 total and 2-3 dissolved: and 2-3 dissolved: 3 total Near Headwaters South of Carr Peak Missing Core Parameters Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 20 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess None At MG-100 At InnatCastle Rock Below Spring Canyon M Medium Site Name(s) Priority Site specificstandard(SSS) development isongoing.TMDLwillbedeveloped onceSSShadbeendetermined. onitoring Summary Sampling period:NocurrentdatainADEQ’sdatabase ule Gulch 3 miles 15080301-090A Headwaters -Lavender Pit Metals Samples Collect coreparameters to representatleast3seasonsduring anassessmentperiod. monitoringConduct follow-up oncecopperTMDLandsite specific copperstandardsareestablished. A&Ww -Impaired•PBCInconclusive Impairment SPMLG015.59 SPMLG014.03 SPMLG014.59 Site ID# Status FC -Inconclusive N/A All designated uses All designated uses N/A Copper (1990) Impairment Discussion None 100506 102489 102773 DEQ # Nutrients &Related Samples Monitoring Recommendations Sampling Agency ADEQ ADEQ ADEQ TMDL TMDL TMDL

None Category 5 Category Other Samples Impaired Purpose San Pedro

Purpose Impaired Other Samples Category 5 None TMDL San Pedro Watershed Assessments - 21 Watershed San Pedro ADEQ Sampling Agency Monitoring Recommendations Monitoring Nutrients & Related Samples Nutrients & Related DEQ # 102490 None Impairment Discussion N/A uses All designated uses All designated N/A Status Site ID # Site A&We - Impaired • PBC - Impaired - Impaired • PBC A&We SPMLG012.79 Copper (1990) and low pH (EPA, 2002) pH (EPA, and low Copper (1990) Impairment Conduct follow-up monitoring once copper TMDL and site specific copper standards are established. once copper TMDL and site Conduct follow-up monitoring least 3 seasons during an assessment period. represent at to Collect core parameters Metals Samples Metals

Lavender Pit - Bisbee WWTP Pit - Bisbee discharge Lavender – 090B 15080301 0.8 miles ule Gulchule

Sampling period: No current data in ADEQ’s database Sampling period: No current onitoring Summaryonitoring Site specific standard (SSS) development is ongoing. TMDL will be developed once SSS had been determined. is ongoing. TMDL will be developed specific standard (SSS) development Site Priority Site Name(s) Site

Medium M

Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters None Site MG 150 Site

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 22 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess None Below Elfrida cutoff At MG-200B (new) M Medium Site Name(s) Priority Site specificstandard(SSS) development isongoing.TMDLwillbedeveloped onceSSShadbeendetermined. onitoring Summary Sampling period:NocurrentdatainADEQ’sdatabase ule Gulch 3.8 miles 15080301 –090C discharge-HighwayBisbee WWTP 80bridge Metals Samples Collect coreparameters to representatleast3seasonsduring anassessmentperiod. monitoringConduct follow-up oncecopperTMDLandsite specific copperstandardsareestablished. A&Wedw -Impaired•PBCImpaired Copper, cadmium,zinc,andlow pH(1990) Impairment SPMUG007.81 SPMLG010.61 Site ID# Status N/A All designated uses All designated uses N/A Impairment Discussion None 100225 102491 DEQ # Nutrients &Related Samples Monitoring Recommendations Sampling Agency ADEQ ADEQ TMDL TMDL None Category 5 Category Other Samples Impaired Purpose

San Pedro Purpose Other Samples Inconclusive Category 3 Designated use support,Designated None

TMDL San Pedro Watershed Assessments - 23 Watershed San Pedro supporting comments evidence, PBC is inconclusive. 1 exceedance in the only 1 exceedance PBC is inconclusive. (binomial). sample collected ADEQ Sampling Agency 470 ug/L 470 Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 103440 None Lead (PBC) PBC) pH (A&We, uses All designated N/A Exceedances 8/14/2004 Inconclusive • PBC - Inconclusive • PBC Inconclusive Site ID # Site SPMHC000.09 15 ug/L Use SupportUse A&We - A&We Collect lead samples due to the exceedance. Collect lead samples due to least 3 seasons during an assessment period. represent at to Collect core parameters Applicable Standard Metals Samples Metals

Headwaters - Mule Gulch - Mule Headwaters 15080301-344 2.2 miles ural Hill Canyon Hill ural

Sampling period: 8/14/2004 onitoring Summary onitoring Low Priority

Site Name(s) Site

M Lead

Parameter copper, lead, and zinc copper, cadmium 1 dissolved 1 total and dissolved: and dissolved: 1 total Above Highway 80 Highway Above Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 24 Data GapsandMonitoring Needs M 1 dissolved nickel boron, chromium, manganese,andselenium 6 total metals only: lead, mercury, andzinc antimony, cadmium, copper, beryllium, arsenic, 6 total and3-6dissolved: At Box Canyon vancy Buildings Above NatureConser Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Mercury R Medium Site Name(s) Priority A&Wc- onitoring Summary d Sampling period:12/16/2004 - amsey Canyon 4.4 miles Headwaters -Forest road 110 15050202-404A Metals Samples Applicable Standard Use alower lab detection limitfor selenium. samples duetoCollect additionaldissolved mercury theexceedance. - Inconclusive •FBC-Attaining •AGL -Attaining 0.010 ug/L Use Support SPRMC011.48 SPRMC011.11 AGI - Site ID# 12/4/2008 Attaining •FC-Attaining 2/23/2005 Exceedances Selenium (A&W) None None (A&W) Dissolved mercury oxygen, andpH Kjeldahl nitrogen, dissolved phosphorus, nitrite/nitrate, total 6 ammonia,total nitrogen, total 100625 101060 DEQ # Nutrients &Related Samples Date &Result Monitoring Recommendations 0.055 ug/L Sampling Agency ADEQ ADEQ ance duringtheassessmentperiod. A&Wc chronic isinconclusive. Only1exceed supporting evidence, comments supporting Ambient Fixed Station Network

and turbidity solved solids, suspendedsediment, 5-6 Attaining someuses Designated use support, Designated usesupport, Category 2 Category E. coli bacteria, fluoride, total dis Other Samples Purpose - - San Pedro - Purpose Other Samples Inconclusive bacteria, fluoride, total dis total fluoride, bacteria, Category 3 E. coli 1 solids, suspended sediment solved concentration, and turbidity

Fixed Station Network Station Fixed San Pedro Watershed Assessments - 25 Watershed San Pedro ADEQ Sampling Agency Monitoring Recommendations Monitoring Nutrients & Related Samples Nutrients & Related DEQ # 100628 1 ammonia, total nitrogen, total total nitrogen, 1 ammonia, total total phosphorus, nitrite/nitrate, dissolved Kjeldahl nitrogen, and pH oxygen, N/A None uses All designated lead (A&W) and dissolved copper, Selenium, dissolved No Exceedances Inconclusive • FBC - Inconclusive • FBC Inconclusive Site ID # Site Inconclusive • FC - Inconclusive • Inconclusive SPRDC012.76 AGL - AGL Use SupportUse Collect core parameters to represent at least 3 seasons during an assessment period. represent at to Collect core parameters (copper and lead). metals selenium and dissolved limits for lab detection Use lower A&Ww - Metals Samples Metals

15050203-014B Tributary at 323339 / 1101841 - San Pedro River - San Pedro 323339 / 1101841 at Tributary 32.5 miles edfield Canyon edfield

Sampling period: 4/20/2005 onitoring Summaryonitoring Low Priority

Site Name(s) Site

Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters 1 total only: 1 total and manganese, mercury, chromium, boron, selenium 1 total and dissolved: and dissolved: 1 total arsenic, beryllium, cadmium, copper, antimony, lead, and zinc Below Sycamore Canyon Sycamore Below

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 26 Data GapsandMonitoring Needs M ganese, mercury, andzinc boron, cadmium,chromium, copper, lead,man 4 total and0-2dissolved: antimony, andberyllium arsenic, 4 total anddissolved: Above Campground Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Biocriteria Dissolved oxygen R Medium Site Name(s) Priority A&Wc- onitoring Summary Sampling period: 8/18/2004 - Sampling period:8/18/2004 uckerCanyon 10.4 miles Headwaters -Whitewater Draw 15080301-288 IBI 46-51 inconclusive Metals Samples Applicable Standard IBI ≥52attaining IBI ≤45violating Use lower labdetection limits for thedissolved metals (cadmium,copper, lead,andzinc)selenium. Collect missingcoreparameters to representatleast 3seasonsduringanassessmentperiod. Collect anadditionalmacroinvertebrate sampleto verify thebioassessmentresult. Inconclusive •FBC-Attaining •AGL -Attaining 7.0 mg/L Use Support SPRUC007.81 6/16/2005 Site ID# FC - - 6/16/2005 6/16/2005 Exceedances Dissolved metals (cadmium,copper, lead,zinc)andselenium(A&W) Dissolved cadmium,copper, andzinc(A&W). Dissolved cadmium,copper, andzinc(A&W). Biocriteria (A&W) oxygen, andpH Kjeldahl nitrogen, dissolved phosphorus, nitrite/nitrate, total 4 ammonia,total nitrogen, total 100938 DEQ # Attaining Nutrients &Related Samples Date &Result Monitoring Recommendations 5.5 mg/L Sampling Agency IBI 49 ADEQ A&Wc isinconclusive. to low flow conditions(0.07 cfs). A&Wc isattaining.Low dissolved oxygen due supporting evidence, comments supporting Stream Ecosystem Monitoring Fixed Station Network, Biocriteria,

1 bottom deposits 1 biocriteria tration, andturbidity solids, suspendedsedimentconcen 3-4 Attaining someuses Designated use support, Designated usesupport, Category 2 Category E. coli , fluoride, total dissolved Other Samples Purpose - San Pedro - -

Purpose Other Samples Inconclusive bacteria, fluoride, total dis total fluoride, bacteria, Designated use support,Designated Category 3 E. coli supporting comments evidence, 1 solids, suspended sediment, solved and turbidity Fixed Station Network Station Fixed San Pedro Watershed Assessments - 27 Watershed San Pedro excluded from assessment. from excluded FBC is inconclusive. Only 1 exceedance in Only 1 exceedance FBC is inconclusive. 1 sample (binomial). This exceed is attaining. A&Ww chronic and event ance occurred during a storm conditions. represent chronic does not A&Ww is attaining. This exceedance and was event occurred during a storm ADEQ Products, Inc Products, 20 ug/L 483 mg/L Apache Nitrogen Apache Nitrogen Sampling Agency 0.0104 ug/L 0.0104 Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 102712 103662 1 ammonia, total nitrogen, total total nitrogen, 1 ammonia, total and phosphorus, nitrite/nitrate, Kjeldahl nitrogen total nitrate 10 oxygen 1 pH and dissolved Exceedances 2/15/2005 2/15/2005 2/15/2005 Inconclusive • FC - Inconclusive • FC Inconclusive Site ID # Site 11/19/2008 SPSPR100.16 SPSPR101.10 AGL - AGL Use SupportUse 80 mg/L 0.010 ug/L 0.010 15 ug/L (FBC) -

Applicable Standard Inconclusive • FBC - Inconclusive • AGI - Inconclusive • AGI - Inconclusive • FBC Inconclusive Metals Samples Metals

15050202-002 Dragoon Wash - Tres Alamos Wash Alamos - Tres Dragoon Wash miles 15.5 an Pedro River Pedro an Sampling period: 9/14/2004 - Sampling period: 9/14/2004 d onitoring Summary onitoring

Site Name(s) Site S A&Ww - SSC

Lead Mercury Parameter lead, mercury, and zinc lead, mercury, only: 1 total manganese, and selenium chromium, boron, 1 total and dissolved: and dissolved: 1 total arsenic, beryllium, cadmium, copper, antimony, Below Confluence With Below Dragoon Wash Apache Nitrogen Con Apache Nitrogen tamination Area M San Pedro San Pedro Watershed Assessments - 28 Data GapsandMonitoring Needs Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Priority Low No longerimpairedfor nitrate (thesite specificstandard was repealedin2009). Collect coreparameters to representatleast3seasonsduringanassessmentperiod. limitforUse alower selenium. labreporting Collect additionalleadsamplesdueto theexceedance. Lead (FBC) Selenium (A&W) All designated uses All designated uses Monitoring Recommendations San Pedro - - Impaired Designated use support,Designated Category 5 supporting comments evidence,

San Pedro Watershed Assessments - 29 Watershed San Pedro A&Ww is attaining. 2 exceedances in 11 in A&Ww is attaining. 2 exceedances samples (binomial). FBC remains impaired. 4 exceedances of monitoring. during the last 3 years 2 ex are inconclusive. FBC and AGL FBC and 9 ceedances in 6 samples for The (binomial). Note: AGL samples for lab reporting higher than the limit was in 3 samples. FBC criterion - 3 single sample A&Ww is inconclusive 8/7, and 8/17) (7/27, exceedances and were events occurred during storm enough assessment. Not from excluded samples left a median. calculate One of the is inconclusive. A&Ww chronic the detec is very close to exceedances are also storm tion limit (2 ug/L). They represent chronic not and may related conditions. FBC is inconclusive. 2 exceedances in 9 2 exceedances FBC is inconclusive. samples (binomial). in is attaining. Only 1 exceedance AGL (binomial). samples 10 20 ug/L 79 ug/L 63 ug/L 2.1 ug/L 2.1 240 ug/L 240 220 ug/L 580 ug/L 173 mg/L 173 695 mg/L 282 mg/L 4.21 mg/L 4.21 3.13 mg/L 5100 mg/L 5100 13380 mg/L 579 CFU/100 mL CFU/100 579 308 CFU/100 mL 308 CFU/100 2420 CFU/100 mL CFU/100 2420 mL CFU/100 2420 Date & Result & Date E. coli (2004) Exceedances 8/7/2006 2/1/2006 8/17/2006 8/17/2006 8/17/2006 8/17/2006 8/17/2006 8/17/2006 7/27/2006 7/27/2006 7/27/2006 7/27/2006 4/12/2007 4/12/2007 8/30/2006 8/30/2006 7/13/2006 12/6/2006 Status Attaining • FC - Attaining • FC Attaining Inconclusive • FBC - Impaired • FBC Inconclusive 12/18/2008 AGL - AGL Impairment A&Ww - 30 ug/L 2.0 ug/L 80 mg/L 6.0 mg/L 500 ug/L

Applicable Standard 235 cfu/100 mL, SSM 235 cfu/100

15050202-003 Babocomari Creek - Dragoon Wash Creek - Dragoon Babocomari miles 17.0 15 ug/L (FBC), 100 ug/L (AGL) ug/L (AGL) 15 ug/L (FBC), 100 an Pedro River Pedro an Sampling period: 1/2/2004 -

onitoring Summaryonitoring

S SSC Lead E. coli oxygen Copper Arsenic Selenium Dissolved Dissolved

Parameter M San Pedro San Pedro Watershed Assessments - 30 Data GapsandMonitoring Needs Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess 3 barium selenium boron, chromium, manganese,mercury, and 16-20 total and0-5dissolved: lead, andzinc antimony, cadmium, copper, beryllium, arsenic, 19-20 dissolved andtotal: NORTH OFHIGHWAY 80 At Fairbanks, AZ USGS 09471550 Near Tombstone, AZ, At Escalante Crossing way 80 0.8 MilesSouthofHigh Escalante Crossing 20500 Meters Below Crossing 20180 Below Escalante Escalante Crossing 16065 Meters Below tamination Area NitrogenApache Con Spring West Bank Site Name(s) Priority High Metals Samples Collect additional arsenic, lead,suspendedsediment,andseleniumsamplesduetoCollect additionalarsenic, exceedances. Collect - - E. coli SPSPR115.90 SPSPR102.54 SPSPR105.49 SPSPR101.83 SPSPR101.25 SPSPR101.72 SPSPR101.75 SPSPR104.15 SPSPR102.01 SPSPR117.97 Site ID# samples in support ofTMDLdevelopment. samplesinsupport (A&W chronic) lead(FBC);selenium,dissolved copper,Arsenic, anddissolved mercury None None (FBC),leadsuspendedsedimentandselenium(A&W) Arsenic Impairment Discussion 24 dissolved oxygen 29 pH 70 nitrate samples and total Kjeldahlnitrogen total phosphorus,nitrite/nitrate, 5-11 ammonia,total nitrogen, 103670 103665 100287 100281 103661 100279 101490 103671 100276 103674 DEQ # Nutrients &Related Samples Monitoring Recommendations None Sampling Agency Apache NitrogenApache NitrogenApache NitrogenApache NitrogenApache NitrogenApache Products, Inc Products, Inc Products, Inc Products, Inc Products, Inc ADEQ ADEQ ADEQ ADEQ USGS TMDL TMDL Ambient TMDL Fixed Station Network monitoringEffectiveness monitoringEffectiveness monitoringEffectiveness monitoringEffectiveness monitoringEffectiveness 19 suspendedsediment 10 total dissolved solids fluoride 18 24 E. coli bacteria Other Samples Purpose San Pedro - - -

Purpose Other Samples Inconclusive bacteria Designated use support,Designated Category 3 E. coli supporting comments evidence, 3 suspended sediment 3 turbidity deposits 1 bottom 3 1 fluoride solids dissolved 1 total TMDL Monitor Ecosystem Ambient, Stream ing San Pedro Watershed Assessments - 31 Watershed San Pedro than the FBC criterion in 1 sample. than the FBC criterion This exceedance A&Ww is inconclusive. occurred during or within 48 hours of a Insufficient number of event. local storm a median. calculate samples to Only 1 exceed A&Ww is inconclusive. ance during the assessment period. FBC is inconclusive. 1 single sample 1 single sample FBC is inconclusive. of moni in the last 3 years exceedance occurred This exceedance Note: toring. during a flood flow. Only 1 are inconclusive. FBC and AGL in 2-3 samples (binomial). exceedance The lab reporting higher Note: limit was ADEQ ADEQ 52% 120 ug/L 2800 mg/L Sampling Agency 2420 CFU/100 mL CFU/100 2420 Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 104005 100653 2 dissolved oxygen 2 dissolved 4 pH Exceedances 8/17/2006 8/17/2006 8/17/2006 12/18/2008 Inconclusive • FBC - Inconclusive • FBC Inconclusive Site ID # Site 12/18/2008 SPSPR120.47 SPSPR126.35 Use SupportUse 80 mg/L < 50% fines A&Ww - 235 CFU/100 mL 235 CFU/100 Applicable Standard

Metals Samples Metals Inconclusive • AGI - Inconclusive • FC - Inconclusive - Inconclusive • AGI Inconclusive 15050202-006 Charleston - Walnut Gulch - Walnut Charleston 8.9 miles 15 ug/L (FBC), 100 ug/L (AGL) ug/L (AGL) 15 ug/L (FBC), 100

an Pedro River Pedro an Sampling period: 2/1/2006 - onitoring Summary onitoring AGL - AGL

Site Name(s) Site S SSC

Lead E. coli Bottom Bottom deposits Parameter 1 barium lead, selenium, and zinc only: metals 2-3 total manganese, and mercury chromium, boron, 3 total and 1-3 dissolved: and 1-3 dissolved: 3 total arsenic, beryllium, cadmium, copper, antimony, Below Graveyard Gulch Graveyard Below Above Boquillas Ranch Above M San Pedro San Pedro Watershed Assessments - 32 Data GapsandMonitoring Needs Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Medium Priority Use lower reporting limitsfor dissolvedUse lower lead,arsenic, mercury, reporting anddissolved cadmium. Collect E.coli,lead,suspendedsediment,andbottom depositssamplesdueto exceedances. E. coli chronic) anddissolved (FBC),dissolved cadmium(A&W Lead andarsenic mercury All designated uses None (A&Ww) (FBC); lead(FBC,AGL); suspendedsedimentandbottom deposits Monitoring Recommendations San Pedro ------

- Impaired Designated use support,Designated supporting comments evidence, Category 5 ances except on 8/7/06 and ances except occurred during local 7/31/2008 excluded and were events storm assessment. Insufficient from calculate number of samples left to a median (a minimum of 4 samples is required). ances in 14 samples (binomial). ances in 14 FBC is attaining with 1 exceedance samples (binomial). in 14 is impaired. 2 exceed A&Ww acute of monitor ances in the last 3 years ing. This is attaining. A&Ww chronic occurred during a local exceedance represent not and does event storm conditions. chronic A&Ww is attaining. Only 2 exceed ances in 29 samples (binomial). FBC is impaired. 2 exceedances of monitor during the last 3 years oc These exceedances ing. Note: curred during flood flows. is attaining. Only 2 exceed AGL ances in 13 samples (binomial). 3 exceedances FBC is inconclusive. The samples (binomial). Note: in 10 lab reporting higher than limit was in 3 samples. the FBC criterion All exceed A&Ww is inconclusive. FBC and FC are attaining. 2 exceed respective ances and 1 exceedance ly in 13 samples (binomial). with 3 exceed is inconclusive AGL

San Pedro Watershed Assessments - 33 Watershed San Pedro 37 ug/L 37 90 ug/L 36 ug/L 4.4 mg/L 110 ug/L 110 555 ug/L 230 ug/L 195 ug/L 953 ug/L 180 ug/L 208 mg/L 138 mg/L 188 mg/L 5.76 mg/L 5.76 3152 ug/L 3152 2160 mg/L 2160 4126 mg/L 4126 6830 mg/L 10610 mg/L 10610 32 ug/L (median) 2420 cfu/100 mL cfu/100 2420 mL cfu/100 2420 2320 cfu/100 mL 2320 cfu/100 35000 cfu/100 mL 35000 cfu/100 Date & Result & Date 7/5/2006 8/7/2006 7/5/2006 7/5/2006 8/17/2006 8/17/2006 8/17/2006 7/31/2008 7/27/2006 7/27/2006 7/27/2006 7/27/2006 4/14/2004 8/19/2004 7/26/2006 7/26/2006 7/26/2006 7/26/2006 8/30/2006 8/19/2004 8/19/2004 7/15/2004 8/19/2004 8/19/2004 Exceedances Status Attaining • FC - Attaining • FC Attaining AGI - AGI Add E. coli and copper to the 303(d) list. and copper to Add E. coli Impairment 80 mg/L 6.0 mg/L Impaired • FBC - Impaired • AGL - Inconclusive • FBC - Impaired • AGL Impaired 100 ug/L (AGL) ug/L (AGL) 100 1300 ug/L (FBC) 15 ug/L (FBC) and

500 ug/L (AGL) and 500 ug/L (AGL) Applicable Standard 235 cfu/100 mL, SSM 235 cfu/100

30 ug/L (FBC) and 80 ug/L (FC) 27.0 ug/L @ 210 mg/L hardness ug/L @ 210 27.0 29.3 ug/L at 400 mg/L hardness 15050202-008 Mexico border - Charleston border Mexico 28.3 miles 49.6 ug/L @ > 400 mg/L hardness an Pedro River Pedro an A&Ww -

d S SSC Lead E. coli oxygen Copper Arsenic Copper Dissolved Dissolved Parameter San Pedro San Pedro Watershed Assessments - 34 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess and selenium barium, boron, chromium, manganese,mercury, 8-26 total and0-6dissolved: lead, andzinc antimony, cadmium, copper, beryllium, arsenic, 22-26 dissolved andtotal: Springs USGS At Route 90,NearLewis 09471000 At Charleston, AZUSGS 09470500 At Palominas, AZUSGS USGS Near Hereford Road, AZ Above Highway 90 Site Name(s) Priority High onitoring Summary Sampling period:1/3/2004-

Metals Samples criterion. Use alower labdetection limitfor limitfor leadislower selenium.Ensurealabreporting thantheFBC Collect additional SPSPR134.32 SPSPR134.35 SPSPR150.09 SPSPR144.76 SPSPR127.50 11/5/2008 Site ID# E. coli and dissolved copper samples in support ofTMDLdevelopment. anddissolved coppersamplesinsupport Lead (FBC)andselenium(A&W) None None Copper (AGL), lead(FBC)andsuspendedsediment(A&W) Impairment Discussion total Kjeldahlnitrogen total phosphorus,nitrite/nitrate, ammonia,total nitrogen,12-18 40-41 dissolved oxygen andpH 100288 100291 100275 101499 101497 DEQ # Nutrients &Related Samples Monitoring Recommendations None Sampling Agency ADEQ, USGS ADEQ, USGS ADEQ, USGS ADEQ USGS Ambient TMDL, Ambient TMDL, Ambient TMDL, Ambient TMDL 8 total dissolved solids fluoride 13 28 23 turbidity E. coli bacteria

Other Samples Purpose San Pedro - - - - Impaired Designated use support,Designated Category 5 supporting comments evidence,

San Pedro Watershed Assessments - 35 Watershed San Pedro A&Ww is attaining. 1 exceedance in 15 in A&Ww is attaining. 1 exceedance samples (binomial). FBC remains impaired. 4 single sample of during the last 3 years exceedances on Samples collected Note: monitoring. are less than 7 and 7/21/08 7/16/08 apart, fall under different days but they and are considered weeks aggregated as 2 independent samples. 3 ex are inconclusive. FBC and AGL FBC and 2 exceedances ceedances for in 9 samples (binomial). AGL for A&Ww is attaining - 3 out of 6 ex and 7/16/08, ceedances (8/16/04, occurred during or within 48 7/21/08) ex and were events hours of storm determi the median value cluded from determined nation. The median values exceed remaining samples did not from the standard. FBC and FC are attaining. 1 exceedance FBC and FC are attaining. 1 exceedance samples (binomial). in 10 in 9 2 exceedances is inconclusive. AGL samples (binomial).

610 ug/L 610 160 ug/L 160 980 ug/L 930 ug/L 34.6 ug/L 206 mg/L 5.16 mg/L 5.16 1610 mg/L 1610 1959 mg/L 67319 mg/L 67319 29600 mg/L 13200 mg/L 740 cfu/100 mL cfu/100 740 961 cfu/100 mL cfu/100 961 921 cfu/100 mL cfu/100 921 4100 cfu/100 mL cfu/100 4100 5900 cfu/100 mL 5900 cfu/100 mL 4433 cfu/100 36294 cfu/100 mL 36294 cfu/100 Date & Result & Date E. coli (2004) Inconclusive Exceedances 7/31/2008 7/31/2008 7/31/2008 7/21/2008 7/21/2008 7/21/2008 8/16/2004 7/16/2008 8/16/2004 7/16/2008 8/16/2004 8/16/2004 7/16/2008 8/19/2008 8/19/2008 8/19/2008 8/19/2008 1/15/2004 7/16/2008 - 7/16/2008 12/17/2008 FC - Status Impairment (AGL)

80 mg/L 6.0 mg/L 500 ug/L Attaining • FBC - Impaired • AGL - Inconclusive - Impaired • AGL • FBC Attaining

Geometric mean Geometric 126 mL, cfu/100 Applicable Standard

235 cfu/100 mL, SSM 235 cfu/100 15 ug/L (FBC) and 100 ug/L 15 ug/L (FBC) and 100 15050203-001 Aravaipa Creek - Gila River Creek Aravaipa miles 13.3 30 ug/L (FBC) and 80 ug/L (FC) an Pedro River Pedro an

A&Ww - S SSC Lead E. coli oxygen Copper Arsenic Dissolved Dissolved Parameter San Pedro San Pedro Watershed Assessments - 36 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess 19 selenium barium, silver, andnickel 3-4 total anddissolved: boron, chromium, andmanganese. 8-11 total and1-4dissolved: lead, mercury, andzinc antimony, cadmium, copper, beryllium, arsenic, total dissolved:6-12 and 8-12 Above DodsonWash Below EskiminzinWash Romero Wash Above ConfluenceWith Above Roach Wash Swingle Wash Above ConfluenceWith were collected duringbaseflow conditions between 0.97-14 withno cfs, exceedances. Therefore, itisdetermined thatA&W attaining duringcriticalconditions.Criticalconditionsfor seleniumusuallyincludelow flow conditions.Five new samples Delist seleniumfrom the303(d) list.To benolongerimpaired,new datamustindicate thattheA&Wdesignated useis Site Name(s) Priority High onitoring Summary Sampling period:1/15/2004- Metals Samples Use alower labdetection limitfor selenium. mend collectingfishtissuesamples. standard(0.60 ug/L)was exceededThe oldmercury in1of6samples(8/19/080.62ug/L).Recom copper,Collect additionalarsenic, andleadsamplesdueto exceedances. Collect additional SPSPR001.54 SPSPR006.75 SPSPR005.28 SPSPR003.85 SPSPR006.27 12/17/2008 Site ID# E. coli samples in support ofTMDLdevelopment. samplesinsupport Selenium (A&W) None All coreparameters were collected. (FBC),copper(AGL),Arsenic andlead(FBC,AGL) Impairment Discussion is nolongerimpaired. and total Kjeldahlnitrogen total phosphorus,nitrite/nitrate, ammonia,total9-12 nitrogen, 19 dissolved oxygen andpH 106483 106563 106322 101348 100726 DEQ # Nutrients &Related Samples Monitoring Recommendations Sampling Agency ADEQ ADEQ ADEQ ADEQ ADEQ Ambient Fixed Station Network TMDL TMDL TMDL 12 total12 dissolved solids fluoride 12 19 14 turbidity 19 suspendedsediment E. coli bacteria Other Samples Purpose - San Pedro ------Inconclusive Designated use support,Designated Category 3 supporting comments evidence,

San Pedro Watershed Assessments - 37 Watershed San Pedro ance in 5 samples (binomial). 1 single sample FBC is inconclusive. of moni in the last 3 years exceedance collected was This sample Note: toring. event. during a storm 1 ex are inconclusive. FBC and AGL and 2 exceedances AGL ceedance for FBC in 4 samples (binomial). for 1 exceed is attaining. A&Ww chronic ance occurred during a local storm represent does not value This event. conditions. chronic A&Ww is attaining. 2 out of 3 exceed oc ances (7/11/08 and 7/21/08) curred during or within 48 hours of excluded and were events local storm determination. the median value from 4 from determined The median value the exceed remaining samples did not standard. A&Ww is inconclusive. Only 1 chronic Only 1 chronic A&Ww is inconclusive. in the assessment period. exceedance Only 1 exceed A&Ww is inconclusive. FBC is inconclusive. Only 1 exceedance Only 1 exceedance FBC is inconclusive. in 4 samples (binomial). Only 1 are inconclusive. FBC and AGL in 4 samples (binomial). exceedance 16 ug/L 16 56 ug/L 84 ug/L 90 mg/L 5.31 mg/L 5.31 3580 ug/L 2360 ug/L 0.0116 ug/L 0.0116 71506 mg/L 71506 14512 mg/L 14512 36294 cfu/100 mL 36294 cfu/100 Date & Result Date Exceedances 1/5/2005 1/5/2005 1/24/2008 7/21/2008 7/21/2008 7/21/2008 7/21/2008 7/21/2008 7/21/2008 7/21/2008 7/11/2008

acute Inconclusive • FBC - Inconclusive • FBC Inconclusive Inconclusive • FC - Inconclusive • FC Inconclusive , 9.6 ug/L (AGL) AGL - AGL 30 ug/L chronic Use SupportUse 80 mg/L 6.0 mg/L 0.010 ug/L 0.010 A&Ww -

500 ug/L (AGL) Applicable Standard 1300 ug/L (FBC) and at 70 mg/L hardness 235 cfu/100 mL, SSM 235 cfu/100 6.6 ug/L

15 ug/L (FBC) and 100 ug/L 15 ug/L (FBC) and 100 15050203-003 Peppersauce Wash - Aravaipa Wash Peppersauce miles 21.3 an Pedro River Pedro an d

d S SSC Lead E. coli oxygen Copper Arsenic Copper Mercury Dissolved Dissolved Parameter San Pedro San Pedro Watershed Assessments - 38 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess 7 total selenium mercury, nickel, silver, andzinc cadmium, chromium, copper, lead,manganese, antimony, boron, barium,beryllium, arsenic, 1-5 total anddissolved: At Mammoth Mammoth At Highway 77 Near At Aravaipa Creek Above Aravaipa Creek Medium Site Name(s) Priority onitoring Summary Sampling period:1/15/2004- Metals Samples Use alower labdetection limitfor seleniumanddissolved mercury. copper,Collect additionalarsenic, lead, SPSPR022.15 SPSPR023.77 SPSPR013.38 SPSPR013.99 12/17/2008 Site ID# Selenium and dissolved mercury (A&W) Selenium anddissolved mercury None None (A&W) and Arsenic 5-6 dissolved oxygen andpH and total Kjeldahlnitrogen total phosphorus,nitrite/nitrate, 2-4 ammonia,total nitrogen, 105599 105600 103481 106164 DEQ # Nutrients &Related Samples Monitoring Recommendations E. coli E. coli Sampling Agency , anddissolved oxygen samplesdueto exceedances. (FBC); copperandlead(FBC,AGL); dissolved oxygen ADEQ ADEQ ADEQ ADEQ TMDL TMDL TMDL TMDL concentration, andturbidity dissolved solids,suspendedsediment 3-6 E. coli bacteria, fluoride, total Other Samples Purpose San Pedro - - - - Inconclusive Designated use support,Designated Category 3 supporting comments evidence,

San Pedro Watershed Assessments - 39 Watershed San Pedro in the last 3 years of monitoring. in the last 3 years 3 exceed are inconclusive. FBC and AGL AGL for FBC and 2 exceedances ances for in 6 samples (binomial). The exceedance A&Ww is inconclusive. occurred within 48 hours of on 8/17/04 from excluded was and flow a peak storm The re determination. the median value to calculate insufficient maining data was a median value. 1 exceed is inconclusive. A&Ww chronic Note: ance during the assessment period. the A&W above limit was Lab detection samples. in all other criterion chronic FBC and FC are inconclusive. 1 exceed FBC and FC are inconclusive. ance in 6 samples (binomial). in 6 1 exceedance is inconclusive. AGL samples (binomial). in 6 1 exceedance A&Ww is inconclusive. samples (binomial). Only 1 exceedance FBC is inconclusive. 84 ug/L 12 ug/L 740 ug/L 740 620 ug/L 190 ug/L 5.03 mg/L 1100 ug/L 1100 46400 mg/L 13600 mg/L 4900 cfu/100 mL 4900 cfu/100 4000 cfu/100 mL 4000 cfu/100 Date & Result Date Exceedances 1/5/2005 8/17/2004 8/17/2004 8/17/2004 8/17/2004 8/19/2008 8/19/2008 8/19/2008 8/19/2008 8/19/2008 8/19/2008 Inconclusive • FBC - Inconclusive • FBC Inconclusive Inconclusive • FC - Inconclusive • FC Inconclusive

AGL - AGL 2.0 ug/L Use SupportUse 80 mg/L 6.0 mg/L 500 ug/L 80 ug/L (FC) A&Ww - 100 ug/L (AGL) 100

235 cfu/100 mL 235 cfu/100 15 ug/L (FBC) and 30 ug/L (FBC) and 30 ug/L (FBC) and Applicable Standard 15050203-008 Buehman Wash - Peppersauce Wash - Peppersauce Wash Buehman miles 16.4

an Pedro River Pedro an S SSC Lead E. coli oxygen Copper Arsenic Selenium Dissolved Dissolved Parameter San Pedro San Pedro Watershed Assessments - 40 Data GapsandMonitoring Needs M Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess 1 dissolved nickel selenium and boron, chromium, manganese,mercury 7-8 total and0-4dissolved: lead, andzinc antimony, cadmium,copper, beryllium, arsenic, 7-8 total anddissolved: San Manuel At Valley Road, Near Near SanManuel Medium Site Name(s) Priority onitoring Summary Sampling period:8/17/2004 - Metals Samples Use alower labdetection limitfor selenium. mend collectingfishtissuesamples. standard(0.60ug/L)was exceededThe oldmercury in1of6samples(8/19/080.74 ug/L).Recom samples dueto exceedances. copper,Collect additionalarsenic, lead,selenium, SPSPR034.66 SPSPR035.01 12/10/2008 Site ID# Selenium (A&W) None None dissolved oxygen, dissolved copper, andsuspended sediment(A&W) (FBC,FC); Arsenic dissolved oxygen total Kjeldahlnitrogen, pH,and total phosphorus,nitrite/nitrate, 6-8 ammonia,total nitrogen, 100285 101843 DEQ # Nutrients &Related Samples Monitoring Recommendations Sampling Agency E. coli ADEQ ADEQ E. coli (FBC);copper(AGL); lead(FBC,AGL); selenium, , dissolved oxygen, andsuspendedsediment Fixed Station Network, Ambient TMDL concentration, andturbidity dissolved solids,suspendedsediment 6-7 E. coli bacteria, fluoride, total Other Samples Purpose - San Pedro - - Purpose Other Samples bacteria, fluoride, total dis total fluoride, bacteria, Designated use support,Designated Category 2 Attaining some uses Attaining E. coli supporting comments evidence, concentration, and turbidity 5 solids, suspended sediment solved

Fixed Station Network Station Fixed San Pedro Watershed Assessments - 41 Watershed San Pedro FBC and AGL are inconclusive. Only 1 are inconclusive. FBC and AGL in 4 samples (binomial). exceedance in Only 1 exceedance is inconclusive. AGI 5 samples (binomial). oc A&Ww is attaining. The exceedance curred within 48 hours of a peak storm the median from excluded was and flow The median value determination. value the exceed of remaining samples did not criterion. AGL is inconclusive. Only 1 exceedance Only 1 exceedance inconclusive. is AGL in 4 samples (binomial). Only 1 is inconclusive. A&Ww chronic in the assessment period. exceedance FBC is attaining. Only 1 single sample outside the analysis window exceedance monitoring). of (last 3 years - ADEQ 25 ug/L 620 ug/L 900 ug/L 16880 ug/L 16880 15000 ug/L Sampling Agency 1000 cfu/100 mL cfu/100 1000 Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 100289 Kjeldahl nitrogen, pH, and dis Kjeldahl nitrogen, oxygen solved 5 ammonia, total nitrogen, total total nitrogen, 5 ammonia, total total phosphorus, nitrite/nitrate, Exceedances 4/5/2005 8/19/2004 8/19/2004 8/19/2004 8/19/2004 8/19/2004 Inconclusive • FBC - Inconclusive • FBC Inconclusive Site ID # Site 4/5/2005 SPSPR059.21 Use SupportUse 80 mg/L 500 ug/L 10000 ug/L 10000 A&Ww - 100 ug/L (AGL) 100 15 ug/L (FBC) and

Applicable Standard Inconclusive • AGL - Inconclusive • FC - Attaining - Inconclusive • AGL Inconclusive 235 cfu/100 mL, SSM 235 cfu/100 Metals Samples Metals

15050203-011 Hot Springs Creek - Redfield Canyon - Redfield Springs Creek Hot miles 16.0 23 ug/L at 300 mg/L hardness an Pedro River Pedro an AGI - AGI Sampling period: 1/15/2004 - d - onitoring Summary onitoring

Site Name(s) Site S SSC

nese Lead E. coli Copper Manga Copper Parameter boron, chromium, manganese, mercury, and manganese, mercury, chromium, boron, selenium 3-5 total and dissolved: and dissolved: 3-5 total arsenic, beryllium, cadmium, copper, antimony, lead, and zinc and 0-2 dissolved: 4-5 total

At Cascabel, AZ At M San Pedro San Pedro Watershed Assessments - 42 Data GapsandMonitoring Needs Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Medium Priority Use alower labdetection limitfor selenium. Collect additionalcopper, lead,andmanganesesamplesdue to exceedances. Selenium (A&W) None None (A&W) Copper (AGL), lead(FBC,AGL), manganese(AGI), anddissolved copper Monitoring Recommendations San Pedro Purpose Other Samples Inconclusive bacteria Category 3 E. coli 1 solids dissolved 4 total 5 turbidity

Effectiveness monitoring Effectiveness monitoring Effectiveness monitoring Effectiveness monitoring San Pedro Watershed Assessments - 43 Watershed San Pedro - 319 Grant/ADEQ 319 Grant/ADEQ 319 Grant/ADEQ 319 319 Grant/ADEQ 319 Sampling Agency Monitoring Recommendations Monitoring Nutrients & Related Samples Nutrients & Related DEQ # 102391 102390 102389 102388 3 total nitrogen, total phospho total nitrogen, 3 total Kjeldahl nitrogen rus, and total oxygen 5 pH and dissolved All designated uses All designated N/A N/A uses All designated No Exceedances Inconclusive • FBC - Inconclusive • FBC Inconclusive Site ID # Site 11/29/2004 SPSPR074.25 SPSPR075.41 SPSPR071.62 SPSPR072.40 Use SupportUse - A&Ww - Collect all core parameters to represent at least 3 seasons during an assessment period. to Collect all core parameters Metals Samples Metals

Inconclusive • AGL - Inconclusive • FC - Inconclusive - Inconclusive • AGL Inconclusive 15050203-012 HUC boundary 15050203 - Hot Springs Canyon Creek HUC boundary Canyon Springs - Hot 15050203 miles 17.1 an Pedro River Pedro an

Sampling period: 3/26/2004 - Sampling period: 3/26/2004 onitoring Summaryonitoring Low AGI - AGI Priority

Site Name(s) Site

Missing Core Parameters Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances None ing 3 Links River Camp 3 Links River 3 Links Upstream Cross 3 Links North Field 3 Links 5 Gap

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 44 Data GapsandMonitoring Needs M ganese, mercury, selenium,andzinc boron, cadmium,chromium, copper, lead,man 4 total and0-2dissolved: antimony, andberyllium arsenic, 4 total anddissolved: ground Above UpperCamp Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Dissolved oxygen T Site Name(s) Priority Low onitoring Summary A&Wc- Sampling period:8/17/2004 - urkey Creek 13.9 miles Headwaters -Rock Creek 15050201-002A Metals Samples Applicable Standard - Use lower labdetection limitsfor dissolved metals andselenium. Collect allcoreparameters to representatleast3seasonsduringanassessmentperiod. Inconclusive •FBC-Attaining •AGI -Attaining 7.0 mg/L Use Support AGL - SPTUR028.53 6/15/2005 Site ID# Attaining •FC-Attaining - 6/15/2005 Exceedances (A&W) Dissolved metals (cadmium,copper, lead,andzinc)total selenium Dissolved cadmiumandzinc(A&W) Dissolved cadmiumandzinc(A&W) None oxygen, andpH Kjeldahl nitrogen, dissolved phosphorus, nitrite/nitrate, total 4 ammonia,total nitrogen, total 102113 DEQ # Nutrients &Related Samples Date &Result Monitoring Recommendations 3.24 mg/L Sampling Agency ADEQ to low flow andgroundwater upwelling. A&Wc isattaining.Low dissolved oxygen due supporting evidence, comments supporting Ambient

and turbidity solved solids, suspendedsediment, 4 E. coli Attaining someuses Designated use support, Designated usesupport, Category 2 Category bacteria, fluoride, total dis Other Samples Purpose - San Pedro Purpose Other Samples Inconclusive Category 3 1-2 fluoride, total dissolved solids, and dissolved total 1-2 fluoride, turbidity

Ambient San Pedro Watershed Assessments - 45 Watershed San Pedro USGS Sampling Agency Monitoring Recommendations Monitoring bacteria (FBC) bacteria Nutrients & Related Samples Nutrients & Related DEQ # 101581 1-2 ammonia (dissolved), 1-2 ammonia (dissolved), total (dissolved), nitrite/nitrate phosphorus, total total nitrogen, dissolved Kjeldahl nitrogen, and pH oxygen, Inconclusive N/A E. coli uses All designated N/A - No Exceedances FC - Inconclusive • FBC - Inconclusive • FBC Inconclusive Site ID # Site 6/3/2008 SPTWP-USGS Use SupportUse Collect core parameters to represent at least 3 seasons during an assessment period. represent at to Collect core parameters A&Ww - Metals Samples Metals

1 acre 15080302-0001

win Pond win Sampling period: 6/29/2005 - Sampling period: 6/29/2005 onitoring Summaryonitoring Low Priority

Site Name(s) Site

Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters nium, silver, uranium, and zinc nium, silver, 1-2 dissolved: 1-2 dissolved: arsenic, cadmium, barium, boron, antimony, sele lead, manganese, nickel, copper, chromium, Mid Lake

Data Gaps and Monitoring Needs Data Gaps and Monitoring M San Pedro San Pedro Watershed Assessments - 46 Data GapsandMonitoring Needs M ganese, mercury, selenium,andzinc boron, cadmium,chromium, copper, lead,man 6 total and0-2dissolved: antimony, andberyllium arsenic, 6 dissolved and total: CanyonBelow Saulsbury Lab Detection LimitsNot Low Enough Missing SeasonalDistribution Missing CoreParameters Exceedances NeedingMoreSamplesto Assess Parameter Dissolved oxygen W Site Name(s) Priority Low A&Wc- onitoring Summary Sampling period:8/17/2004 - 3.0 miles 15050201-433 Headwaters -Turkey Creek ard Canyon Metals Samples Applicable Standard Use lower labdetection limits for thedissolved metals (cadmium,copper, lead,andzinc)selenium. Collect missingcoreparameters to representatleast3seasonsduringanassessmentperiod. Inconclusive •FBC-Attaining •AGL -Attaining 7.0 mg/L Use Support SPWRC000.09 11/10/2008 Site ID# FC - 6/15/2005 - 9/8/2008 Exceedances (A&W) Dissolved metals (cadmium,copper, lead,andzinc)total selenium Dissolved cadmiumandzinc(A&W). Dissolved cadmiumandzinc(A&W). None oxygen, andpH Kjeldahl nitrogen, dissolved phosphorus, nitrite/nitrate, total 6 ammonia,total nitrogen, total 102892 DEQ # Attaining Nutrients &Related Samples Date &Result Monitoring Recommendations 6.03 mg/L 6.8 mg/L Sampling Agency ADEQ to low flow andgroundwater upwelling. A&Wc isattaining-Low dissolved oxygen due supporting evidence, comments supporting tem Monitoring Ambient, Biocriteria, Stream Ecosys 2 bottom deposits 1 biocriteria and turbidity solved solids, suspendedsediment, 6 E. coli Attaining someuses Designated use support, Designated usesupport, Category 2 Category bacteria, fluoride, total dis Other Samples Purpose

- - San Pedro Purpose Other Samples Inconclusive Designated use support,Designated Category 3 None

TMDL supporting comments evidence, San Pedro Watershed Assessments - 47 Watershed San Pedro A&We is inconclusive. 1 exceedance in the 1 exceedance is inconclusive. A&We assessment period. No additional samples of monitoring. in the last 3 years collected ADEQ 47 ug/L 47 Sampling Agency Monitoring Recommendations Monitoring Date & Result Date Nutrients & Related Samples Nutrients & Related DEQ # 102926 None N/A Copper PBC) pH (A&We, uses All designated Exceedances 9/28/2004 Inconclusive • PBC - Inconclusive • PBC Inconclusive Site ID # Site SPWNC000.67 Use SupportUse A&We - A&We Conduct follow-up monitoring once copper TMDL on Mule Gulch and site specific copper standards are site and once copper TMDL on Mule Gulch Conduct follow-up monitoring established. represent at least 3 seasons during an assessment period. to Collect all core parameters Applicable Standard Metals Samples Metals inwood Canyon inwood Headwaters - Mule Gulch - Mule Headwaters 15080301-340 miles 1.4 12.1 ug/L at 50 mg/L hardness Sampling period: 9/28/2004 d onitoring Summary onitoring Priority Site Name(s) Site

Medium W

Copper Parameter 1 total and dissolved: and dissolved: 1 total lead, and zinc copper, cadmium 1 dissolved Above Mineralized Zone Mineralized Above Tributary from Mural Hill from Tributary Missing Seasonal Distribution Enough Low Limits Not Lab Detection Exceedances Needing More Samples to Assess Needing More Samples to Exceedances Missing Core Parameters

Data Gaps and Monitoring Needs Data Gaps and Monitoring M