monitoring violations; however, there were a few elevated levels for for levels elevated few a bacteria. coliform were fecal and turbidity there however, ambient violations; major no were monitoring There improved. percent small a showed time drought prolonged a this as during community biological the well 2008. and Monitoring 2007 between as 2006 and experienced 2005 in subbasin drought the moderate a (2004-2009), cycle assessment this During as integrity segment. downstream biological the in zinc as for well Impaired is Creek Marlowe and bacteria turbidity; coliform and fecal for Impaired is River Dan streams: Impaired two contains subbasin The line. state Carolina/Virginia North the along runs and subbasin most western is the second Subbasin Dan River The Lower S Includes: Dan River, Country Line Creek, Lake Roxboro, Hyco Hyco Roxboro, Lake Creek, Line Country River, Dan Includes: ubba River, Hyco Lake, Marlowe Creek, Mayo Reservoir & Aarons & Aarons Reservoir Mayo Creek, Marlowe Lake, Hyco River, s in W R ater iver L Q o uality HUC 03010104 HUC w CHAPTER 2 CHAPTER S er Creek
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at ...... :
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) Lower Dan River Subbasin (03010104)
Kerr NB22 N3500000 N4590000 Reservoir S 70 m NC-7 NC-700 C D ER NB40 John n Cre e NB74 it 9 IV so e d h k a 2 A r - R NF31 B S R N ROA0343A ra M U ek nc
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) the two existing sites, one declined and one improved. improved. one and declined one sites, existing two the Of ratings. in shifts overall any are there if indicate to cycles two basinwide last the during sampled ratings site benthic of comparison a is 2-5 the of Each rating. in current sites are in discussed the more detail in shown the below. section watershed on Figure is based coded cycle color current and 2-3 the Figure during monitored station benthic Each Sampling Macroinvertebrate Benthic the of each for ratings in seen The be can stations Subbasin. sampling River Dan Lower the within monitored were sites sampling biological 12 Overall, studies. special to addition in cycle, sampling basinwide year five the of part as Section Sciences DWQ-Environmental the by 2009 of months summer and spring the during collected were samples Biological B moderate with 2007-2008, from again the and in found be can Basin River 1998-2002 Roanoke the in flows about detail from More 2-2). (Figure 2006 and 2005 droughts in droughts prolonged experienced basin The S the Planning of 3 and 2 Chapters in discussed on is has parameter quality basinwide each water effects the the of and monitoring part DWQ about large a information detailed is More parameters process. planning chemical/physical and biology aquatic flow, stream Monitoring W F R trea iolo igu ive ater Discharge, cubic feet/second Report Assessment Basinwide River Roanoke 2010 100 150 200 250 300 350 400 450 r r 50
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) were collected for all parameters on a monthly basis except metals which were sampled quarterly until May May until quarterly sampled were which metals except samples basis 2009), monthly a December on and parameters 2005 all for (January collected cycle were sampling current the During locations). station the for 2-1 Figure (see subbasin River Dan Lower the in located are stations (AMS) System Monitoring Four Ambient the on found be can IR in found be can IR 2010 the of portion Basin River Roanoke The List. Impaired Waters 303(d) the on placed then is it rating, Impaired an receives waterbody a If IR. 2012 the for used be will and 2009 and 2005 between between collected were plan collected basin this data in on reported data based ambient The 2008. is and 2004 and version 2010 the is IR current most The ratings. quality water and their the Carolina North to in reported waterbodies then monitored all of are collection which a is IR years, The (IR). two Report every Integrated EPAthe ratings via support use develop to used are data ambient The A have to enough “fresh” were half About overnight. expired sunfish. 30 and bass 20 gathered, were 50 another day, next The abnormal. otherwise or day: malformed, first diseased, the be to killed observed was None observed were sunfish. 127 and fish carp, 290 50 113bass, of total A it. moved had wind the where material edge one reddish a along have to floating time that at and observed also observed was were pond The fish 15. Dead June on AM well. 7:35 about as at 14, reported June of day the of most the Alberto from depression rain tropical heavy was of There remnants firewater. recycling the with pond the to returned materials undetermined these of Some quantity wood. to applied being were wax paraffin and paraformaldehyde, diisocyanate, chemicals methyl the which in mixers included burned that and units 2006, Production 13, PM. June 4:30 on about AM ended 2:41 water at of use began the fire The building pond. the the from to running returning deep thereby inches 4 system, to 3 stormwater the about to times at was Runoff fire. the on spray to pond the A from facility. production pulled the were water of within quantities large fire, the fire During pond. fire serious company’s the in a occurred kill fish subsequent experienced Roxboro near plant Corporation Pacific La. The Branch: Bowes Four observed. was activity spawning are no causes. for There analysis. known Center, to Georgia, sent Health were Fish no Warm Springs specimens but condition, spawning in were carp as Live unresponsive, and chub. lethargic bluehead a very was were carp Many body. and of head 50% their of Approximately top on spillway. sores had around carp and live the areas 60 shallow the approximately in of also congregating were carp There observation live spillway. 200 the reservoir the in approximately of meters resulted 500 within staff, decay of DWQ stages various by in carp 2004 common dead March 30 on conducted visit, site A Creek: Mayo Events Kills/Spill Fish the see subbasin, this in data biological Report Assessment about information more For m F igu bient r e 2-7: 2-7:
D C ata u rr ent . Detailed data sheets for each sampling site can be found in found be can site sampling each for sheets data Detailed . F Modeling & TMDL Unit’s TMDL & Modeling is h C omm
S ite R Excellent Not Not Impaired Not Rated Poor Fair Good Good atings - Fair website.
F igu r e 2-8: 2-8: C h ange 2010 Roanoke River Basinwide Basinwide River Roanoke 2010
in Appendix 2-A Appendix F is Appendix 2-B Appendix h C omm
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) . . River
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ing 2-9: d e r ee c x igu E (2005-2009) F unhealthy levels for aquatic operations life. and Construction excessive sites, stormwater exceedances demonstrate mining the flow importance of operations, off agricultural impervious operations, surfaces logging are all potential sources. Turbidity yearly averages are well below the state standard of 50 NTUs. While some erosion is a natural phenomenon, human land use practices may accelerate the process to to 16 percent of samples, as seen in Figure 2-11 indicated by yellow elevatedand red turbiditydots. levelsPossible are sourcesdiscussed of the in the 10-digit watershedmedian turbidityTheRiverLowersubbasin.Danthe sampleslevelsyearsallin for13section.course taken theover of Figure 2-12 shows the mean and Turbidity Two of the four AMS stations in the Lower Dan River subbasin exceeded the state’s turbidity standard in 5 6.0 as shown by the yellow dot in Figure 2-9.The pH levels in this subbasin remain mostly stable throughout this time frame. Figure 2-10 shows the mean and median pH levels for all samples takenLower Dan River overSubbasin. Station the N4250000 coursehad two percent of of samples 13 exceeding yearsthe low pH standardin of the pH 2005 and 2009 by DWQ’s Environmental Sciences Section BasinAmbient(ESS) Monitoringand System Reportcan be found in the information,butratherideahowchangesof anclimate land inuseor conditions affectcanparameter readings over the long term. The difference between median and mean results indicate the presence of outliers in the dataset.Box and whisker plots ofindividual ambient stations were completed byparameter fordata between andmean concentration values foreach ambient station inthis subbasin byspecific parameter over 13 yeara period (1997-2009).The geometric mean is a type of mean or average, which indicates the central tendency or typical value of a set of numbers. The graphs are not intended to provide statistically significant trend Long Term AmbientLong Term Monitoring The following discussion of ambient monitoring parameters of concern include graphs showing the median 2007 when metalswheninformationsampling2007moresuspended.Forwas ambient about the monitoring, parameters, how data are used for use support assessment and Guideother to North Carolina’sinformation, Basinwide Planning see Chapter 2 of the 2.6
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) Lower Dan River subbasin. These averages are well within the normal DO range. range. DO normal the within well are averages These subbasin. River Dan Lower the in years 13 of course the over taken samples all for levels DO of median and mean the shows 2-14 Figure cycle. monitoring this during exceedance standard DO recorded sites four the of none 2-13, Figure in seen As (DO) Oxygen Dissolved S F S S S F igu tan am igu tan am pl r pl d r d e a e es a es 2-11: rd 2-13: 2-13: rd
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150 100 400 350 300 250 200 450
60 50 40 30 20 10 r
ient Dishcharge, cubic feet/second cubic Dishcharge, b (colonies/100ml) FCB . m igu * NC FCB Standard (5-in-30 data only): Geomean not > 200/100 ml or 400/100 ml in 20% of samples A F Supplemental Guide to North Carolina’s Basinwide Planning 3.3 of the ambient monitoring data collected in thisSystem Report river basin, see the Additional information about possible causes of parameters discussed above streamfor particularwrite stations, ups see thebelow. For more information regarding any of the parameters listed above, see Section linked to FCB levels. Dan River subbasin. The highest yearly geometric mean wasfigure recordedalso includesin the2001 yearly(56 averagecolonies/100 stream flow,ml). as seen The in Figure 2-2, to show how flow can be closely As seen in Figure 2-15, two of the four sites had between 6.9% and 20% of samples over 400 colonies/100 ml. FigureseeninAs2-15,fourthe sitesof twobetweenhad samples 6.9%of20%and over colonies/100 400 ml. Possible sources of elevated levels of FCB are discussed in the subwatershed sections. theyearly geometricFigure mean (calculated 2-16 average)shows forallsamples takenover thecourse years13 theofLowerin stream is Impaired or Supporting. Waters with a useofB(primary recreational classificationwaters) receive priority for 5-in-30 studies. Other waters are studied as resources permit. where five samples have been taken in a span of 30 days (5-in-30). Only results from a 5-in-30 study are used to indicate whether the pets, as well as from sanitary sewer overflowsstandardfreshwaterfor exceed (SSOs).geometric thetostreamsnot ismean The FCB samplesthe of colonies/100 20%colonies/100400200 in or ofml ml, Fecal Coliform Bacteria Fecalcoliform bacteria (FCB) occurs in water as a result of nonpoint sources such as animal waste from wildlife, farm animals and/or 2.8
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) defining how these rating are given see see given Procedures are Operating rating Not these how Good-Fair, methodology defining specific These For Good, Poor. and Fair Rated, Excellent, Not (ESS). Impaired, Section include Sciences bioclassifications Environmental site the DWQs at collected by a data the given on are based samples bioclassification/rating community) fish and (benthic Biological Categories Support Use to Converted Ratings & Ambient Biological U The fecal coliform bacteria parameter is exception to the rule. See the Fecal Coliform Bacteria Bacteria Coliform Fecal the See rule. the to below. portion exception Data the Ambient in section is parameter bacteria coliform fecal The parameter. that for Impaired is segment stream that parameter, for a taken particular of 10.0% samples than in greater exceeded is aifstandard general, In period. year a five within site each for parameters individual for standard state the exceeding of samples percent the on based analyzed are data monitoring Ambient Support Use 2-17). a Figure (see into Category translated then is it given, is rating a Once stream A’s overall category number would be a 5, indicating the stream has a use support rating of of rating support use Impaired. a has stream the indicating 5, a be would number category Therefore, A’soverall stream standard. the exceeded samples of >10% since 5 of number category a given be benthic would The parameter turbidity the and standard. 2-17) (Figure the 1 of number exceeding category individual were an given be station would sample ambient the at taken samples turbidity of 12% F U nder C igu se atego
r S e u 5 4 3 2 1 2-18: 2-18: s pp ry tandin o # r t R C atego ating U se g
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ih omnt SOP Community Fish aeoy ae o is aig r ecn eceac. A of page exceedance. percent or of detailed description each rating category can be found Support on the its first Use on a based assigned Category is community) parameter fish ambient and each and (benthic parameter biological Each Stream A had a benthic sample that rated Good-Fair and and Good-Fair rated that sample benthic a had A Stream Example rating. support use the into translated is number category the how shows 2-18 Figure category. parameter individual highest the reflects which number category overall an given Benthic Standard Standard Benthic Appendix 2-A Appendix . Each monitored stream segment is is segment stream monitored Each . . C F igu atego Poor Fair Rated Not Impaired Not Good-Fair Good Excellent Biological Biological r Ratings e 2-17: 2-17: r ies
f o U r se B (Categories 4-5) (Categories Impaired 3) (Category Rated Not 1-2) (Categories Supporting
io Use Support Use S Aquatic Life Life Aquatic l u ogi pp o c r a t l
R atings 2.9
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104)
d e d tions ), Local ee c F N A ), Stormwater SS SC, E, RBR SS SS
RBR cale itative ) ), . l tatus d ), Forestry BMPs ( SS S ua E S Q Supporting Impaired Supporting Impaired in anke s R
) l s ot ( ), Education ( e N DS ------ubba ( ), Stressor Study ( rc ), Riparian Buffer Restoration ( otentia ou SPP R S P S asin bb Urban Runoff u the S
r ), Daylight Stream ( at ) ), Restoration (
ive s P l ( s r R BMPs an esso lan otentia r ), Species Protection Plan ( D t P r P S ), Protection (
NMC owe Low DO, Nutrients, Turbidity Chlorophyll a, Low pH, Low DO Habitat Degradation, Copper ,Zinc TSS L SEC BMPs e . h ction t
ass l A in C
s WS-II; HQW,CA WS-V;B C WS-V stressors and sources that may be impacting a stream including in-field ), Best Management Practices ( r ary & Ag s ate mm u # W ), Nutrient Mgnt Controls (
M potential e AU S bl & b 22-58-15-(0.5) 22-56-(3.5)a, (3.5b) &(3.7) 22-58-(0.5) 22-58-12-6a ota Agriculture BMPs ( N endation ), Monitoring ( riority ame ), Sediment and Erosion Control BMPs ( LO N P mm
Chemical parameters or physical conditions that at certain levels prevent waterbodies from meeting the standards for their designated SC 2-1: The cause of the stressor. (Volume & Velocity: when a stream receives stormwater runoff at a much higher volume and velocity than it Impaired, Impacted, Supporting, Improving (For current Use SupportAssessment see the Integrated Report.) Classification (e.g., C, B, WS-I, UWL) SW, WS-II, ORW, HQW, Tr, WS-III, WS-V, WS-IV, e eam r bl t eco a WQ S T Status: Actions Needed: use (e.g., low/high DO, nutrients, toxicity, habitat degradation, etc.). Fecal Coliform Bacteria (FCB), Source: would naturally receive due to ditching, impervious surfaces, etc.) (Mayo Reservoir) Class.: Stressor: Marlowe Cr Mayo Cr Country Line Cr (Farmer Lake) Hyco Lake Controls ( Ordinance ( needed to determine exact source(s) of the impact. The last column includes a list of recommended actions. The table also lists observations, monitoring data, historical evidence and permit or other violations. Additional study may be protection efforts, land use and other activities that could potentially impact watersupporting quality streamsin the area.may haveSome a more urgent need for needsprotections already being implemented.than an impaired stream with restoration ratherby the need for particular actions stream to be taken.A that is currently supporting its designated uses may be prioritized higher within this table than a stream that is currentlyholistic impaired.evaluation This isof based theon a drainagemore area which includes monitoring results, current and needed restoration/ Table Table 2-1 is a list of waters in the Middle Roanoke River Subbasinprotection. that The DWQorder ofhas priorityprioritized is not forbased restoration/solely on the severity of the steam’s impairment or impacts but R D 2.10
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) agriculture with some forested and residential areas. areas. residential and forested some with mostly agriculture is area drainage this for cover Land line. state to ten line state approximately from is miles and NC within River Dan the of segment last the is This River Dan H S o tatu g the 2010 Use Support and the length of that stream or stream stream or stream that of the length indicate rows two next the The segment. and Support Use 2010 the indicates row top (Table Box The 2-2). Monitoring and Support Use for Recommendations Waters Monitored within & this Watershed section has a corresponding Status the in discussed waterbody Each Box: Monitoring & Support Use the in found be monitored can basin this in all waters monitored on all of list Support information Use a and 2-1, Support Figure in map the Use on seen be can watershed this methods. within streams approved with agencies local or DWQ by monitored whether streams, monitored all include Chapter this in discussed Waterbodies Code (HUC). Unit Hydrological 10-digit each by provided is information additional other and sources and In this about more stream aquatic life Section, health, special studies, information detailed stressors U indicates elevated levels and a study of five samples in 30 days (5-in-30) must be conducted conducted be must (5-in-30) days 30 in samples FCB. for five Impaired becomes stream of a only before 2-2) study Table in a seen and (as row levels last elevated the in indicates listing (FCB) bacteria coliform fecal any note Please parameter. each beside listed exceedance of percent the with column second the in are listed the standard given exceeding in boxes this Only Plan parameters is 2004-2008. between last The first. the the in in listed box Tableall for sites below sample AMS the in window the is row 2-2 data data. The AMS listed be will rating site and ID site second the stream, that on example, for site, benthic one than more is there If taken. was sample that year the by followed column next the in listed is site that of result/rating monitoring latest The CB79). (e.g., parenthesis in below ID (e.g., bold in sampling of type the indicates shown, not is then that stream is sites not sampled for that type monitoring of data. of The types firstcolumn three these of one If data. segment stream or monitoring ambient and/or stream community fish benthic, include may and that on found are of stations type what on monitoring based are following rows The Plan. this all in for boxes consistent are rows three first These 2008 reports. the 2010 both the and for Support Use the defines further which category an nder s s
& & C reek [AU#: 22-(39)b] [AU#: s tandin R eco - D an Waters List in this watershed. watershed. this in List Waters Impaired 2010 the on River) (Dan stream one is There watershed. the within located operations animal permitted and three facilities permitted NPDES are 12 minor There areas. residential and forest of use agriculture, land a mixed contains watershed This Creek Creek Hogans River Dan Includes: mm g
thi R endation iver s S [AU#: 22-52] [AU#: ection (0301010401) s [AU#: 22-50] [AU#:
& Cane Creek Creek Cane & f overall or Benthos M [AU#: 22-(39)b] [AU#: Integrated Report Report Integrated Use Support Chapter Support Use onitored , Moon Creek Creek Moon , ) with the site site the with ) [AU#: 22-54] [AU#: , Jones Creek Creek Jones , W ater S T AMS (CF33) Com Fish (CB80) Benthos Cat. IR 2010 Cat. IR 2008 U (C1750000) (CB79) a [AU#: 22-51] [AU#: u . . se bl pp
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S
se se U U (ROA030E) (ROA027J) (ROA027L) (ROA030C) (ROA030F) (ROA030G) (ROA027G)
2010 IR Cat. LakeStations 2008 IR Cat. 2008 IR Cat. 2010 IR Cat. Lake Station . , South Hyco Creek (Lake , & Hyco Lake [AU#: 22-56-(1), (3.5)a, (3.5)b & (3.7)] state standard. All exceeding samples were a Chapter 1 [AU#: 22-58-1] [AU#: 22-56-(3.5)a, (3.5)b & (3.7)] [AU#: 22-58-4-(0.5), (1.7) & (3)] (0301010402) Includes: Hyco Creek Roxboro) Thiswatershed contains mixed aland agriculture,useof forest andresidential areas. There are 39 minor and one major animal NPDES operation permittedlocated withinfacilities the watershed.and four There permittedis Creek) one on the 2010stream Impaired Waters(Country List in this watershed.Line Includes: Country Line Creek Thiswatershed contains mixed aland agriculture,useof forest andresidential areas. There are three minor NPDES permitted facilities operationand located withinwatershed.thestream Thereoneis one(Country LineCreek) on permitted swine animal the 2010 Impaired Waters List in this watershed. reek C
[AU#: 22-58-(0.5)] (0301010405) ine L
ake L
yco ountry measured at low to moderate levels. Results from nutrientand thisbiological productivity cycle levels. However, there indicateis amoderate increase thein chlorophyll lake remains at low to moderate Water Quality Status monitoringlakefourstationsareThere Thesescattered throughout Lake.Hyco stations were monitored between May and September 2009. Nutrient levels within the lake have historically advisory-selenium. The advisory was lifted, removing the lake from the Impairedthe from lake theremoving lifted, was advisory The advisory-selenium. Waters List. This lake is currently supporting all designated uses. NorthCarolina-Virginia State line inPerson andCaswell Counties. Land cover aroundthe lake is a mixture of forest residential and agriculture. The lake was previously on the Impaired Waters List due to a NC DHHS fish consumption Hyco Lake HycoLake is located on the Hyco River approximately three miles south of the A sourceA study in this drainage area could determine the source of nutrients. H Recommendations taken between the two years were exceeding the chlorophyll foundtheImpairedin segment thelakeof(ROA027G). Turbiditylevels thisatstation werealso exceeding the state standard by 33%. See Figure 2-1 for station locations. on Farmer Lake. Samples showed poor water clarity, thermallystratified waters, clarity, waterpoor showedSamples Lake.Farmer on lowDOlevels andhigh biological Ammoniaproductivity. andnitrite plus nitrate concentrationwerelow;totalhowever,phosphorus levelsTKNandwere elevated. samples 34theFour ofout Water Quality Status Lakestation samples were taken in 2007 and 2009 during the summer months area is forest, agriculture and some residential.reservoir for The the lake Cityis ofa Yanceyvillewater andsupply Only isthe upstream segmentclassified of this lake is on asthe 2010 Impaired a Waters List. WS-II, HQW, CA. Country Line Creek (Farmer Lake) Farmer Lake is approximately 91 acres in size. The majority of the drainage C Water quality status of this segment of the Dan River and other information about the full length of the river is discussed in the Dan River Impairment Summary section in 2.12
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) by the highly urbanized area and had poor habitat (scored a 39 out of 100). 100). of out 39 a (scored habitat poor had and area urbanized highly impacted the by severely was life aquatic creeks the showed sample The Roxboro. a cycle. of part this as during 2006 Development in health taken was biological sample for first twice The sampled was Creek Marlowe Status Quality Water 1998. Further since List Waters Impaired the on been Creek. Marlowe of has Creek Marlowe headwaters agriculture. and forest mostly is use land the the downstream, in located is The Roxboro 22-58-(9.5)]. of [AU#: TownRiver Hyco into flows which Creek Storys from to miles 11source approximately is and segments two into split is Creek Marlowe H Report Assessment the see monitoring additional and this about information more For monitored. first was reservoir this when 1983 since staff DWQ by recorded greatest the were which values, conductivity of exception the with past the in observed those to similar were site sampling each at taken measurements Physical levels. detection laboratory’s DWQ the below metals of these concentrations however, water samples collected near the bottom of DWQ the reservoir at below the or three sediment sampling levels sites selenium, and exhibited vanadium low with along samples very in sediment the present was at Thallium levels. now detection laboratory were spring the in Energy Progress by indicated detected sampling metals this of elevated Results that facility. the of downstream and upstream located sites additional and two with water collected Unit along system treatment Survey wastewater FGD the near Intensive sites lake DWQ’s various from 2008 21, from July on samples staff sediment Office, Regional Raleigh the of request the At Pond. Flush FGD the and Pond Settling FGD the of feet 500 within located well non-potable a from and Lake Hyco in 003 outfall from stream effluent the in antimony and mercury silver, was beryllium, copper, selenium, effort sampling This basin. thallium, of settling levels elevated the revealed effort of monitoring this from Data and March in April. times eight capacities conducted treatment treatment the the in of result changes a and as bypass streams waste failure, the of unit effects or changes determine to effort an in water ground adjacent and water surface lake both of sampling additional conduct to Energy Progress Bioreactor. FGD requested RRO the The from water backwash not and water up start contained only pond flush the failure, berm the of Energy, time the at Progress to Pond. Ash adjacent According the into discharge to pond the from water allowing berm, pond flush onthe occurred had failure berm wide an8 to12foot that staff RRO notified Energy basin settling the dewatered Progress 2008, 27, February On Energy basin. settling the in Progress head hydraulic the risk, reduce to pond ash this adjacent the into reduce To failure. of risk at and seeping was basin (RRO) ofOffice the Regional DWQ In Raleigh notified Energy that the2008, settling Progress FGD wastewater past and current cycle. the sampling between doubled almost averages a and conductivity pH in Specific decrease levels. a DO in show also decrease steady results monitoring term Long 2009. - 1994 between samples evaluating yco
R iver study near the intersection of N. Main Street and NC-49 in in NC-49 and Street Main N. of intersection the near study (0301010406) . . Marlowe Creek Creek Marlowe two and watershed. this in List facilities Waters Impaired 2010 the on permitted Creek) (Marlowe NPDES major stream one is There two watershed. the within located and operation animal swine minor permitted five are There areas. and residential urban forest, use of a land agriculture, mixed contains watershed This b] & 58-12-6a River Hyco Includes: , & Mayo Creek (Mayo Reservoir) Reservoir) (Mayo Creek Mayo & , [AU#: 22-58-12-6a & b] & 22-58-12-6a [AU#: Small Stream Biocriteria Biocriteria Stream Small [AU#: 22-58-(9.5)] [AU#: Roanoke River Basin Lake and Reservoir Reservoir and Lake Basin River Roanoke , Marlowe Creek Creek Marlowe , Com Fish (NB119) (NB85) Benthos Cat. IR 2010 Cat. IR 2008 AMS (NF27) (NB43) (N4400000) U se [AU#: 22-58-15-(0.5)] [AU#:
S u pp (11.1 o Not Rated (2006) Rated Not (2004) Fair (2009) Fair Good-Fair (2004) Good-Fair Zinc (44.4%) Zinc (22.2%) Copper r t mi : [AU#: 22- [AU#: )
I m paired 5 5 2.13
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104)
g 2 2 upportin ) c a S : No Exceedances t r o (2,613 pp u S
se U (ROA0343A) 2008 IR Cat. 2010 IR Cat. LakeStations (ROA0342A) (ROA0341A) [AU#: 22-58-15-(0.5)] levels were all low. The lake was determined to be mesotrophic, or having moderate a placed into service secondary hydrocyclones to reduce the amount of suspended solids in the blowdown added a pH adjustment system to the inlet of the bioreactor to aid in keeping the pH of the wastewater at installed and uses the addition of a MetClear injection system to aid in the settling of mercury and other upgraded ash handling system to handle all fly ash at the plant as dry ash to reduce pollutant loading to £ £ £ £ £ to the settling pond. £ an optimum level for maximum treatment efficiency. £ constituents in the settling pond. £ the outfall. pond to treat wastewater generated by the recently added wet scrubbers. Sinceinstallation ABMet bioreactor settlingFGD of Progressbasin, GE flush and pond FGD Energy Carolinas, Inc. has: Smokestacks legislation. Accordingly, Progress Energy installed a Flue Gas DesulfurizationGasFluewastewater (FGD)Progressinstalled EnergyAccordingly,a Smokestacks legislation. settlingGeneralpond,ABMetaElectric bioreactor technologynew(a biological treatment system),flush a and water, in the Roanoke River Basin, in Person County. Progress Energy Carolinas, Inc. installed wet limestone forced oxidation wet scrubbers on all operatingSteamMayoElectrictheresponseatrequirements Plant in to North unitsCarolina State ofthefromClean under the CP&L DBA ProgressEnergy Carolinas,DBA steamoperateselectricInc.CP&L apowerplantNPDES facility holdsanand permit NC0038377 to discharge process control and industrial waste streams to Mayo Lake a Class WS-V biological productivity, in 2009. Progress Energy Mayo Steam Electric Power Plan (NC0038377) 111 to 166 µmhos/cm). 111 solids Total were also greater in 2009 than in previous years (range = 80 to 130 mg/L) while values for turbidity and total solids and remained the chlorophyllsame. Nutrient levels Surface physical parameters (DO, pH and water similartothose values temperature)observed inthis reservoir since itwas in first monitored by 2009 were DWQ in 1983. Conductivity values, however, were greater in 2009 (range = The majority of the drainage area is agriculture, forest and residential. Water Quality Status Mayo Creek (Mayo Reservoir) The Mayo Reservoir is roughly 2,613 acres and is owned by Progress Energy. Local Initiatives The City of Roxboro was designated as a Phase II communitystormwater BMPs.as This willof assist inJanuary reducing the2010 urban runoff whichimpacting therequire stream. additional Marlowe Creek will remain on the Impaired waters list for andboth zinc exceedances.biological impairments as well as for copper The geometric mean was three time lower than the previous cycle. However, copper and zincelevated levels above remainthe state standards. AnAmbient Monitoring Station is also located near the confluence of Fishing Creek. DOhave andimproved turbidityascompared tothelast cycle levels(1999-2003). Fecal coliform bacteria levels have also improved. upgrades at the Roxboro The 2009WWTP. sample dropped back to a Fair rating and reflected water quality similarto what was seen in 1999. TheWWTP however, had only fewa minor permit violations and only failed one toxicity test. The second sample (NB43) was taken further downstream near hasthe been confluencesampled since of1994 when Fishing it received Creek. a Poor rating. This Each site sample increased in rating1994 sample followingup to a Good-Fair the in 2004. This water quality improvement was contributed to significant facility 2.14
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) ____. DWQ. Planning Section. Basinwide Planning Unit (BPU). November 2008. 2008. November (BPU). Unit Planning Basinwide Section. Planning DWQ. ____. Quality Water of Division (NCDENR). Resources Natural and Environment of Department Carolina North hardcopy. a receive to 743-8400 (919) at Section Science Environmental available DWQ the currently Contact not online. are reports These report. study special DWQ a indicates (*) with marked References R A and/or unit(s) treatment additional for a developed for be Application construction. may an technology treatment DWQ schedule alternative a provided whereby Energy Consent, Progress by 2010, Order 9, Special December On revealed has 002 exceedances. Outfall limit NPDES the effluent from Energy Progress by reported results sampling effluent However, Pate, Travis. 2009. 2009. Travis. Pate, 2010. March BAU. ESS. DWQ. ____. 2009. May BAU. ESS. DWQ. ____. 2010. December (BAU). Unit Assessment Biological (ESS). Section Sciences Environmental DWQ. ____. 2010. September Unit. Ecosystems (ESS). Section Sciences Environmental DWQ. ____. aron e f erence Basinwide Planning: A support document for basinwide water quality plans. plans. quality water basinwide for document Asupport Planning: Basinwide h2o.enr.state.nc.us/csu/ Carolina North of Wetlands 2004a. August (DWQ). Chapel Hill. Chapel Information Cover Impervious and Cover, Land tion, enr.state.nc.us/documents/SmallStreamsFinal.pdf ument_library/get_file?uuid=e3dd1d8b-bbc5-42c9-9999-1d99dd4c7455&groupId=38364 Basin River Roanoke Report: Assessment Basinwide 6a8ebc00554d&groupId=38364 ( NC. 2009) 31, December through 2005 1, (January Report Systems Monitoring Ambient Basin tal.ncdenr.org/web/wq/ps/bpu/about/supplementalguide s
http://portal.ncdenr.org/c/document_library/get_file?uuid=c9a59811-634c-490b-b566- C reek s Watershed Assessment in North Carolina: Building a Watershed Database with Popula with Database Watershed a Building Carolina: North in Assessment Watershed - D an streams on the 2010 Impaired Waters List in this watershed. this in List Waters Impaired 2010 the on streams no are There watershed. the within located facilities permitted no are There areas. residential and forest agriculture, of use land mixed a contains watershed This 59] Fork Crooked Includes:
R Classifications and Water Quality Standards Applicable to Surface Waters and and Waters Surface to Applicable Standards Quality Water and Classifications iver ) . North Carolina Administrative Code: 15A NCA 2B. Raleigh, NC. ( NC. Raleigh, 15A NCA 2B. Code: Administrative Carolina North . Small Stream Biocriteria Development Biocriteria Stream Small (0301010407) Lake & Reservoir Assessments Roanoke River Basin River Roanoke Assessments Reservoir & Lake ) . Master Theses, University of North Carolina at at Carolina North of University Theses, Master . [AU#: 22-59-1] [AU#: ) . Raleigh, NC. ( NC. Raleigh, . ) , & Aarons Creek Creek & Aarons , . Raleigh, NC. ( NC. Raleigh, . http://portal.ncdenr.org/c/doc Supplemental Guide to to Guide Supplemental Raleigh, NC. ( NC. Raleigh, Roanoke River River Roanoke http://www.esb. . Raleigh, NC. NC. Raleigh, . . Raleigh, Raleigh, . http://por [AU#: 22- [AU#: http:// ) 2.15 - - -
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) 2.16
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) I D R C R r a f 3n4 3n3 3n2 3n1 atego 1nc 4cs 4cr 4ct 4b 3b 3a 2b 1b 4s 4c 3c t 5r 2r 1r 4t 3t 2t 1t 5 2 1 2010 2010 ry Assessed as impaired watershed is in restoration effort status effort restoration in is watershed impaired as Assessed needing and TMDL a violations standards quality water ambient or biological of because impaired use Designated TMDL approved impaired use Designated listing 5 category or POI Life for TMDL Aquatic approved with Life Aquatic Impaired development TMDL under or TMDL approved to subject is water but impaired use Designated used longer no data- monitoring instream no impaired harvesting Shellfish exceeded criteria screening or data monitoring instream no impaired use Recreation pollutant than other something by impaired use Designated impairment address to expected strategy management other impaired use Designated TMDL approved an with watershed a in is –AU assessment for available Data No collect-draft to need determine available not a Chlorophyll monitoring-draft further for priority second first met not is SAC and value threshold exceeds a Chlorophyll monitoring-draft further for priority first met not is SAC and ELvalue exceeds a Chlorophyll met-draft is SAC and TLvalue exceeds a Chlorophyll assessment make to information or data No assessment for available Data No (DI) inconclusive are data Instream/monitoring only Overall POI for TMDL approved but exceeded criteria No only overall status effort restoration in is watershed supporting as Assessed only Overall violations standards no and place in strategy management other impaired was use Designated only Overall impaired are none supporting and monitored are uses designated Some interest of parameter for TMDL approved but exceeded criteria No status effort restoration in is watershed supporting as Assessed conditions natural to due is exceedance in parameter that determination field made have DWQ (POI) interest of parameter the for violations standards no and place in strategy management other impaired, was use Designated supporting and monitored are uses designated All I nteg P U a r r amete L ate se M owe d R r
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 2-A.2
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices Roanoke River BasinRiver Roanoke AU_Number NC 2010 Integrated Report Appr Report EPA List 5-303(d) Integrated 2010 NC Roanoke River Basin Roanoke Roanoke River Basin Roanoke Roanoke RiverBasin Roanoke All 13,123 Waters in NC are in Category 5-303(d) Li in in Category are NC AllWaters 13,123 22-56-(1) 22-52 22-51 22-50-3 22-50 22-(39)b 22-54 22-56-(3.5)a 22-56-(3.7) 1 5 5 1 1 1 1 1 1 5 4t 1 AU_Name
Country Line Creek Line Country Creek Rattlesnake Lake) (Wildwood MoonCreek Wade) (Lake Creek Jones Creek Hogans portion) Carolina (North RIVER DAN Creek Cane (Farmers Lake) (Farmers Creek Line Country Creek Line Country NC 2010 Integrated Report Report Integrated 2010 NC AU_Description ovedAug31, 2010 st for Mercury due to statewide fish consumption due to statewide ad Mercury for st
of mouth ofForkof Nats mouth mile0.5 From point source a upstream to FromRiversource Dan to FromRiversource Dan to Fromsource CreekHogans to FromRiversource Dan to Carolina-VirginiaState Line CreekIsland last crossingto of North FromNC/VA crossing downstreamof Wolf River Dan Line to Carolina-Virginia FromState North N.C. Hwy. 62)Hwy. N.C. 1.8 locatedupstream mile intake of supply Farmer(TownYanceyvilleLake of water at to Forkdam upstream Nats of mouth Upperreservoir- mile0.5 From point a River to LakeFromFarmer Dan at dam Hogans Creek-Dan River HogansCreek-Dan Dan Dan River Hogans Creek-DanRiver Hogans 10/20/2010 Country LineCreek Country Subbasin eghraA_nt Classifica AU_Units LengthArea vicefish species several for Watershed Watershed Watershed 05FWMiles 10.5 FWMiles 17.0 FWMiles 29.1 07FWAcres 90.7 FWMiles 24.5 . FWMiles 2.7 FWMiles 7.6 FWMiles 9.6 FWMiles 0.8
0301010401 0301010402 0301010401 03010104 Page 228 of 372 228 Page WS-II;HQW C C II;HQW,CA WS- C
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WS- II;HQW,CA C WS-V,B Page229 372 of 0301010402 0301010405 0301010406
0.7 Miles FW 6.8 Miles FW 6.6 Miles FW 16.8 Miles FW 493.6 Acres FW 271.1 Acres FW Watershed 4,297.9 Acres FW Watershed Watershed vice for several species fish vice LengthArea AU_Units Classifica Hyco Lake Hyco Hyco River Hyco Country CreekLine 10/20/2010 From source to Mitchell Creek to Mitchell source From From backwaters of of backwaters Lake Roxboro From to dam at Lake Roxboro Hycodam of From Lake Northto Carolina- Line, State Virginia including portionsall in North Carolina From source in Hyco source LaketoFrom Hycoof dam Lake, including tributary arms below 410 elevation adownstream of pointFrom mile 0.6 to Hyco Double Creek Lake, (City Hyco River supplyRoxboroof water intake) Lower reservoir-From point a0.5 mile reservoir-From Lower mouthof Nats upstream damFork to at water of Lake (Town Yanceyville Farmer supply of intake mile located upstream 1.8 N.C. Hwy. 62) to Hyco source From HycoRiver Lake,
st for Mercury ad statewide to due consumption fish oved Aug 31, 2010Aug 31, oved AU_Description NC 2010 IntegratedReport Marlowe Creek South HycoSouth Creek (Lake Roxboro) Hyco River Hyco River, including Hyco Lake below elevation 410 HycoSouth Creek Country Line Creek (Farmers Lake) Hyco Creek (North Hyco Creek)
AU_Name 5 1 1 1 3n 1 1 1 3a 1 1 22-58-12-6a 22-58-4-(1.4) 22-58-(9.5) 22-58-(0.5) 22-58-4-(3) 22-56-(3.5)b 22-58-1 All 13,123 WatersAll NC are Category in in Li 5-303(d)
Roanoke River Basin Roanoke Basin River NC 2010 Integrated 5-303(d) List EPAReport Appr Roanoke Basin River AU_Number 2-A.4
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices AU_Number NC 2010 Integrated Report Appr Report EPA List 5-303(d) Integrated 2010 NC Roanoke River Basin Roanoke Roanoke River BasinRiver Roanoke All 13,123 Waters in NC are in Category 5-303(d) Li in in Category are NC AllWaters 13,123 22-59 22-58-12-(1.5) 22-58-15-(0.5) 22-58-15-(3.5) 22-58-12-6b 1 1 1 1 1 1 5 1 1 1 5 AU_Name Aarons Creek Aarons (Lake Issac Walton)] Issac (Lake Lake City [Roxboro Creek Storys Reservoir) (Mayo Creek) (Maho Creek Mayo Creek) (Maho Creek Mayo Creek Marlowe NC 2010 Integrated Report Report Integrated 2010 NC AU_Description ovedAug31, 2010 st for Mercury due to statewide fish consumption due to statewide ad Mercury for st StateLine Carolina-Virginia From source North to Hwy. 57 to Roxboro City Lake Dam Lake City Roxboro 57 Hwy. to 0.9 mile Frompoint a downstreamof N.C. From Reservoir source of dam Mayo to Carolina-VirginiaState Line FromReservoir ofdam Mayo North to FromMithcellStorys CreekCreek to Aarons Creek-Dan River Creek-Dan Aarons 10/20/2010 HycoRiver eghraA_nt Classifica AU_Units LengthArea vicefish species several for Watershed ,1. FWAcres 2,613.8 Watershed 8. FWAcres 189.5 . FWMiles 8.6 . FWMiles 0.5 FWMiles 4.5
0301010407 0301010406 Page 230 of 372 230 Page WS-V II;HQW,CA WS-
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices (B ent B h io f i c o l
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 2-B.2
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices NF35 NF31 NF30 NF26 NF24 NF15 NB43 NB40 NB119 NB118 NB116 NB112 S tation
I D Biological Samples Taken During this Assessment Cycle Assessment this Taken During Samples Biological Hogans Cr Hogans Cr Aarons Cr Hyco S Cr Rattlesnake Cr Moon Cr Hogans CR MARLOWE CR LINE COUNTRY CR MARLOWE TANYARDBR CR NEGRO FK CROOKED W ate rb o dy Fish Community Sample Sites Sample Community Fish Caswell Granville Person Caswell Caswell Caswell PERSON CASWELL PERSON PERSON CASWELL PERSON Benthic Sample Sites Sample Benthic C ount y SR 1301 SR 1400 SR 158 US 1523 SR 1511 SR 1330 SR 1322 SR 57 NC 49 NC 501 US 1769 SR 1558 SR S ite L o c ation 09 - Good-Fair - 09 Good - 09 Fair - 09 Good - 09 Good - 09 Good-Fair - 09 Fair - 09 Excellent - 09 Rated Not - 06 Rated Not - 06 Impaired Not - 06 Impaired Not - 06 S am pl e R esu l ts 2-B.3
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices = 0.027 = 0.027 w No --- Reference Site Reference Good-Fair 0 Volume (MGD) Bioclassification Good-Fair Other (describe) Other Bioclassification Level IVLevel Ecoregion Northern Inner Piedmont Inner Northern 0.3 -- all diversity metrics all diversity -- (total species Average Depth (m) Depth Average 42 NCIBI 2009 Bluegill --- Site Photograph -- drains primarily eastern Watershed Rockingham primarily eastern drains -- NF35 NPDES Number 22-50 Station Station ID 0 AU Number AU 8 Agriculture Date Stream Stream Width (m) 15 07/06/09 Sand, gravel, block bedrock boulders jutting block out from boulders Sand, bedrock gravel, the left bank Exotic 2009 Species Species Total Species Longitude -79.515205 0 550 Substrate Elevation Elevation (ft) Rural Rural Residential Latitude 36.439045 Location SR 1301 6 7 3 5 9 3 5 5 66 10 13 7.1 6.7 122 20.0 2009-80 Sample ID N/A -- snags, stick riffles, gravel bars, deadfalls, and shallow runs; high quality bank and riparian characteristics, snags, -- riparian stick and bank but quality runs; high riffles, shallow bars, deadfalls, and gravel None 100 65.4 03010104 8 8 digit HUC Satinfin (25%) Shiner Slightly Slightly turbid Habitats Forested/Wetland Drainage Area (mi2) Area Drainage 3 Subbasin C Waterbody 07/06/09 Sample Date HOGANS CR HOGANS County CASWELL FISH COMMUNITY SAMPLE FISH COMMUNITY Visible (%) Landuse Stream Stream Classification 2-B.4 Water Clarity Upstream NPDES Dischargers (>1MGD or <1MGDNPDES Dischargers and withinUpstream 1 mile) erosion seemserosion to the stressorprimary be to this stream. Notchlip Redhorse, and Largemouth Bass) were represented only by young-of-year and were excluded from the sample. excluded source nonpoint Long-term were and young-of-year by only represented Bass) Largemouth were and Notchlip Redhorse, Data Analysis Data River. to the Dan tributary MGD); also speciesabsent; three species (Whiteintolerant were expected; than Sucker, diversities lower of and sunfish,darters, diversity suckers) and were stream still impacts exhibits riffles substratesuch quality from sandy as source erosion. and poor nonpoint Species Change SinceCycle Change Species Last Total Habitat Score (100) Habitat Total Right Riparian Score (5) Riparian Right Left Riparian Score (5) Left Riparian Light Penetration (10) Light Penetration Bank Vegetation Bank (7) Vegetation Erosion Erosion (7) Riffle (16) Habitat Pool Variety (10) Pool Variety Bottom Substrate (15) Instream (20) Habitat Channel Modification (5) Modification Channel pH (s.u.)pH Specific (µS/cm) Conductance Dissolved Oxygen (mg/L) Oxygen Dissolved Temperature (°C) Temperature Water Quality Parameters Water Quality Habitat Assessment Scores (max) Scores Assessment Habitat This is the first fish community sample collected site.fromRandom Ambient thisMonitoring 2009-2010 total Q NC0077135, and small of two Reidsville; of NPDES the a Town facilities(NC0002828 portion including County, located in the headwaters Most Abundant Species 2009 Species Most Abundant
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices located in the headwatersthein located (NC0002828 and NC0077135, Q total and--drainseastern northwestern Rockingham Watershed Caswell includingportionaTownfacilities the NPDES of counties, Reidsville; two of small DataAnalysis 26 species known from the site, including 6 species of darters; dominant species is the Swallowtailthe is species Shiner.darters;dominant of includingspecies 6 knownsite, the 26species from nonpointchronic sourceersoion.and from drought impacts befrom suffering having despite still largea drainagemay area community the representedonly by young-of-year and were with andscorecombined ratingskeweda NCIBI declined; the excludedstructure trophicsample; the from were andlower suckers sunfish of much thanexpected; where only of were1sites 2 suckers althoughabsent, RedhorseNotchlip were they werecollected 2009in 2004thancollected in (336178), Swallowtailprimarilyvs. diversities the collected); fish theShinerShiner, CrescentallShiner, and (53% of Satinfin undercuts, snag pools, SpeciesLastChange Since Cycle TotalHabitat (100)Score RightRiparian (5)Score Riparian Left (5)Score LightPenetration (10) Vegetation(7) Bank Erosion(7) Habitat(16) Riffle VarietyPool(10) (15)Substrate Bottom Habitat(20) Instream ChannelModification (5) pH(s.u.) Conductance (µS/cm) Specific DissolvedOxygen (mg/L) Temperature(°C) Quality Water Parameters Most Abundant Most Species2009 HabitatAssessment Scores(max) mile) 1 Upstreamwithin andDischargers NPDES <1MGD or (>1MGD Water Clarity Water Stream ClassificationStream Visible Landuse(%) Visible FISH COMMUNITYFISH SAMPLE CASWELL County HOGANSCR Sample Date Sample 05/25/04 07/06/09 Waterbody C Podostemum Subbasin 3 DrainageArea (mi2) Forested/Wetland Slightly turbidSlightly SwallowtailShiner (28%) in the riffles, but stream still exhibitsnonpoint substantial sourceerosion. still stream but riffles, thein 8 digit HUC digit 8 03010104 92.6 60 None (n=37). gainedwere Roanoke orspecies lost Darter. All representedexcept CrescentforShinerby 1-3 fish/species, Redhorse,NotchlipHogsucker, Margined Channel ChainbackGreenMadtom, Darter, Catfish, Sunfish, Gains Sample ID Sample 2004-56 2009-81 20.8 118 6.7 7.3 16 69 10 5 7 5 4 3 5 5 9 --Rosyside Darter,CrescentShiner, Dace,Glassy Riverweed Darter. SR 1330 SR Location 36.49027778 Latitude RuralResidential Elevation (ft)Elevation Substrate w 410 = 0.027= MGD); tributaryDan the to River. 10 -79.40416667 Longitude SpeciesTotal Exotic Species2009Exotic gravelSand, 07/06/09 20 18 Stream Width (m) Width Stream Date 11 Agriculture AUNumber 30 Station ID Station 22-50 NPDES Number NPDES NF15 Site Photograph Photograph Site --- Bluegill NCIBI Habitats 52 40 Average Depth(m) 2009 -- ~ 2 times as many fish were fish many as --times 2 ~ -- gravelly and sandy goodruns; 0.4 Losses NorthernInner Piedmont Level IV Ecoregion LevelIV Bioclassification Other(describe) Good-Fair -- White Sucker, Northern Sucker, -- White Bioclassification Volume (MGD) Volume 0 Good-Fair ReferenceSite Good 2004&2009 -- --- No 2-B.5
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 1994 - 1994 . 104), . 104), No vs --- Good Good Reference Site Reference Good-Fair 0 Volume (MGD) Bioclassification Good Other (describe) Other Bioclassification Level IVLevel Ecoregion Northern Inner Piedmont Inner Northern 0.4 Average Depth (m) Depth Average 52 46 44 NCIBI Green Sunfish,Sunfish Green Bluegill, Redear --- Site Photograph . 0); no lingering effects. lingering 0); no from the drought. vs NF24 NPDES Number 22-51 Station Station ID 55 AU Number AU -- Golden Shiner, Redfin Pickerel, Redfin Shiner, Pumpkinseed, Golden -- Largemouth 8 Agriculture -- 6 times-- more fish(627 in collectedthan 2004 in 2009 Losses Date Stream Stream Width (m) 2009 20 16 22 05/21/09 Exotic 2009 Species Sand, Sand, gravel Species Total Species Longitude -79.33555556 0 370 Substrate . 11), and Eastern Silvery Minnow (41 (41 Minnow .Eastern Silvery and 11), vs Elevation Elevation (ft) Rural Rural Residential 36.5075 Latitude Location SR 1511 -- Eastern Silvery Minnow, Crescent Shiner, Redlip Shiner, Mountain Redbelly Dace, Creek Chub, White Chub, Dace, Creek Redbelly Mountain Shiner, Redlip Shiner, Crescent Minnow, Eastern Silvery -- 5 6 9 5 3 6 5 3 3 59 14 97 8.4 6.5 94-34 15.0 2009-42 2004-32 Sample ID Gains Sunfish, Sucker, Glassy Darter. Redear Bass. All species gained or lost were represented by 1- 4 fish/species, 1- Eastern Shiner, Bass.by for Redlip represented except All lostspeciesor were gained respectively). 130, 41, and (n=17, Shiner Crescent and Minnow, Silvery None 45 47.2 Clear 03010104 8 8 digit HUC Crescent Shiner (21%), Bluehead Chub Chub Bluehead (21%), Shiner Crescent (18%) -- sandy runs, woody debris, snags, narrow riparian zones intact banks,both zones but along stream riparian still substantial debris, snags,exhibits narrow runs, woody sandy -- Forested/Wetland Drainage Area (mi2) Area Drainage 4 Habitats Subbasin C Waterbody 09/07/94 05/21/09 04/30/04 MOON CR MOON Sample Date County CASWELL -- very diverse fish diverse community, very from-- species the 30 site,known are species12 including of cyprinids, 5 species of sunfish, 4 species and of darters; FISH COMMUNITY SAMPLE FISH COMMUNITY Visible (%) Landuse Stream Stream Classification 2-B.6 Water Clarity Habitat Assessment Scores (max) Scores Assessment Habitat Upstream NPDES Dischargers (>1MGD or <1MGDNPDES Dischargers and withinUpstream 1 mile) Most Abundant Species 2009 Species Most Abundant Species Change SinceCycle Change Species Last Total Habitat Score (100) Habitat Total Right Riparian Score (5) Riparian Right Left Riparian Score (5) Left Riparian Light Penetration (10) Light Penetration Bank Vegetation Bank (7) Vegetation Erosion Erosion (7) Riffle (16) Habitat Pool Variety (10) Pool Variety Bottom Substrate (15) Instream (20) Habitat Channel Modification (5) Modification Channel pH (s.u.)pH Specific (µS/cm) Conductance Dissolved Oxygen (mg/L) Oxygen Dissolved Temperature (°C) Temperature Water Quality Parameters Water Quality Data Analysis Data confluence with the river. the river. confluence with -- drains northwestern Caswell County; no municipalities with the watershed; tributary to the Dan River, site River, to is the Dan tributary ~ 2.2 milesmunicipalitiesno the creek's County; the watershed; above with Caswell Watershed northwestern drains -- nonpoint source erosion as evident fromscoring ashabitat characteristics. evident source erosion the low nonpoint Bluehead Chub (2009); NCIBI score and rating have gradually been improving over the past years. 15 over improving been gradually have NCIBI rating score and (2009); Chub Bluehead dominant species are variable and include Eastern Silvery Minnow (1994), Satinfin Shiner and Redbreast Sunfish (2004), and Crescent Shiner and and Shiner Crescent and Sunfish (2004), Redbreast Satinfin and Shiner (1994), Minnow include Eastern Silvery and dominant species variable are 2009 especially Crescent Shiner (130 vs. 0), Bluehead Chub (112 (112 Chub vs. 0), Bluehead (130 Shiner Crescent especially
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices SpeciesLastChange Since Cycle community (i.e., schooling species such as Eastern SilveryEastern river).the as Minnow to creek such the andschoolingspecies from forthback (i.e., Shiner and migrating Satinfin community proximityriver theinfluencethe close to the may Shiner;very community, Satinfin the dynamic is species darters;dominant of cyprinids and species 3 very collected); highfish percentage(53%).the Shiner all (86% tolerantof fish of 20092004thanin Silvery(929Shiner,Eastern184), Minnow,especiallySatinfin vs. Swallowtail and Rosefin Shiner,Bluehead Chub,Killifish, Speckled by very nonpoint impacted substantial sourceerosion. is providing stream but intact good stream; shadingthe to aboveconfluencewith creek's river.the -- drainsnorthwestern Watershed Caswell County headwaterswith its Townthearisingin ~0.2miles Yanceyville;tributary Dan of the is to River, site DataAnalysis TotalHabitat (100)Score RightRiparian (5)Score Riparian Left (5)Score LightPenetration (10) Vegetation(7) Bank Erosion(7) Habitat(16) Riffle VarietyPool(10) (15)Substrate Bottom Habitat(20) Instream ChannelModification (5) pH(s.u.) Conductance (µS/cm) Specific DissolvedOxygen (mg/L) Temperature(°C) Quality Water Parameters Most Abundant Most Species2009 HabitatAssessment Scores(max) Upstream NPDES Dischargers (>1MGD or <1MGD and within 1 mile) 1 Upstreamwithin andDischargers NPDES <1MGD or (>1MGD Water Clarity Water RATTLESNAKECR Stream ClassificationStream Visible Landuse(%) Visible FISH COMMUNITYFISH SAMPLE CASWELL County Sample Date Sample 05/21/09 05/25/04 Waterbody C Subbasin 4 DrainageArea (mi2) Forested/Wetland Satinfin Shiner (46%)Satinfin 8 digit HUC digit 8 03010104 Clear 23.7 100 None Darter. Gains representedexcept MosquitofishandEasternforby Darter Fantail 1-9 fish/species, (n=14 and respectively).17, Sample ID Sample Habitats 2004-57 2009-43 15.1 120 6.6 8.8 65 10 14 6 3 7 5 4 5 5 6 -- CrescentShiner,Mountain Redbelly CreekDace, Chub, Redhorse,V-lip FantailMosquitofish, Eastern SR 1523 SR Losses Location 36.50777778 -- very shallow and sandylargecouple a of runs, boulder channel,theriparianin outcrops zones Latitude RuralResidential -- Golden Shiner, Channel Catfish, Redfin Pickerel, Warmouth. All species gainedwere orspecies lost All -- Golden Warmouth. Shiner,Channel Redfin Pickerel, Catfish, Elevation (ft)Elevation Substrate 350 0 -79.29333333 Longitude SpeciesTotal Exotic Species2009Exotic Sand 05/21/09 19 21 2004&2009 Stream Width (m) Width Stream Date Agriculture 6 -- 25 species known from the site, including 12 species of of including12 species knownsite, the -- 25species from AUNumber 0 Station ID Station 22-52 NPDES Number NPDES NF26 Site Photograph Photograph Site --- RedShiner,BluegillGreen Sunfish, NCIBI 48 46 Average Depth(m) 2009 -- 5 times more fish collected in collected fish more --times 5 0.2 NorthernInner Piedmont Level IV Ecoregion LevelIV Bioclassification Other(describe) Good Bioclassification Volume (MGD) Volume 0 ReferenceSite Good Good --- No 2-B.7
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices . mayflyThe Good Good Good Excellent Good-Fair --- 0.1 Excellent ., and long-lived ., long-lived and Bioclassification Bioclassification Volume (MGD) Stream Depth (m) Stream Depth Other (describe) Other Level IVLevel Ecoregion Pycnopsyche spp Northern Inner Piedmont Inner Northern Pteronarcys spp , 4.31 4.55 4.82 5.15 4.53 , and , and EPT BI EPT Date 08/12/09 --- 10 Site Photograph --- BI ------NPDES Number 0 Paragnetina fumosa Paragnetina 22-56-(3.7) AU Number AU Stream Stream Width (m) Nyctiophylax moestus , Agriculture The channel substrata consistedchannel The of mostly gravel. and sand NB40 28 14 24 26 26 Station Station ID EPT Longitude -79.201111 395 Elevation Elevation (ft) 30 Urban Substrate ------ST Brachycentrus numerosus Latitude 36.537778 5 8 7 0 5 4 1 18 11 10 69 7.7 6.4 126 Location NC 57NC 23.6 are listed by the North Carolina Natural Heritage Program as Significantly Rare (2006) and were were and Program as(2006) Significantly Heritage Rare Natural Carolina listed the North are by 138.0 70 03010104 6691 9400 4158 5337 None 8 8 digit HUC 10808 Sample ID slightly turbid Drainage Area (mi2) Area Drainage Forested/Wetland Ceraclea mentiea mentiea Ceraclea 4 Subbasin . caddisfliesIntolerant collected included and caddisfly and C Waterbody 08/12/09 08/24/94 07/01/04 07/23/87 07/10/90 Sample Date Upstream NPDES Dischargers (>1MGD or <1MGDNPDES Dischargers and withinUpstream 1 mile) County CASWELL Visible (%) Landuse Stream Stream Classification COUNTRY LINE CR COUNTRY BENTHIC MACROINVERTEBRATE SAMPLE BENTHIC MACROINVERTEBRATE 2-B.8 Water Clarity (max) Scores Assessment Habitat This a bioclassificationsite for the received first in 2009 of Excellent time since in samplingin EPTBIDecreases 1983. began from to in 4.31 in 4.82 2004 from record on to thisin richness quality. the addition highest EPT (28) Pollution 2009 location sensitive to continue taxa suggest water better communitiesto in-channel leading macroinvertebrate collectedto erosion atincreased due this were siteof habitat degradation despite evidence from sedimentation,development sources. bar nonpoint increased scouring, and Left Riparian Score (5) Left Riparian Dissolved Oxygen (mg/L) Oxygen Dissolved Specific (µS/cm) Conductance (s.u.)pH (5) Modification Channel Instream (20) Habitat Bottom Substrate (15) (10) Pool Variety Riffle (16) Habitat Bank Erosion (7) Bank (7) Vegetation (10) Light Penetration Water Quality Parameters Water Quality (°C) Temperature Right Riparian Score (5) Riparian Right Score (100) Habitat Total Taxonomic Analysis Taxonomic collected at this were site sensitive suchpollution EPT in as 2009 Several taxa the stoneflies Data Analysis Data Acroneuria abnormis Acroneuria Plauditus cestus collected from this location in 2009.
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices vs. 2004)vs. SpeciesLastChange Since Cycle (2009 DataAnalysis TotalHabitat (100)Score RightRiparian (5)Score Riparian Left (5)Score LightPenetration (10) Vegetation(7) Bank Erosion(7) Habitat(16) Riffle VarietyPool(10) (15)Substrate Bottom Habitat(20) Instream ChannelModification (5) pH(s.u.) Conductance (µS/cm) Specific DissolvedOxygen (mg/L) Temperature(°C) Quality Water Parameters Most Abundant Most Species2009 re-sampled in 2010re-sampledin following wettera winter and springwasflow periodrated Good-Fair. and community the low at flow; recolonizationmovement andfish avenuesdownstreamby to upstream the reservoirs.are limited be an impediment may Swallowtailthe is species Shiner;oldweirdarters;dominant of species 2 below includingjust arebridgethe knownold gagesite; the24the species at from veryabsent; skewed withstructure trophic onlyomnivores+herbivores; 3% lingering drought impacts. where weresites 2 of 1237), suckers especiallycollected), Swallowtail fish the andall Mosquitofish,(75%Shiner, Easternof Bluegill Shiner,Satinfin exhibitsnonpoint substantial sourceerosion. stream snagdebris dams, bottomlands, classification. supplemental WS-II based upon its High as QualityWaters classified Roxborodownstream above from backwaters the is HycoHycoandmiles the miles 1.5 of Reservoir,River; ~ of Lakedam stream animpoundment -- drainsnorthwest Watershed Orange, southeastern Caswell, within and4.5 ~ watershed;southwesternthe nois municipalities Personsite counties; HabitatAssessment Scores(max) mile) 1 Upstreamwithin andDischargers NPDES <1MGD or (>1MGD Water Clarity Water Stream ClassificationStream Visible Landuse(%) Visible FISH COMMUNITYFISH SAMPLE PERSON WS-II,HQW,CA County Sample Date Sample S HYCOS CR 06/16/10 05/21/09 04/30/04 Waterbody Subbasin 5 DrainageArea (mi2) Clear,tanninslightly Forested/Wetland SwallowtailShiner (32%) 8 digit HUC digit 8 stained 03010104 56.5 75 None Shiner, V-lip Redhorse,Shiner,V-lip andMosquitofish (n=11,Eastern and13, respectively). 36, gainedwere orspecies lost Yellow All representedexcept Perch. Killifish, Crescentforby 1-6 fish/species, Redhorse,Notchlip Redhorse,Sucker, V-lip Margined Yellow Madtom, Speckled Bullhead,Redfin Pickerel, Gains Sample ID Sample 2009-44 2004-30 2010-48 18.7 110 6.7 7.3 58 13 7 2 3 5 5 7 5 6 5 -- Crescent Shiner, Eastern Mosquitofish, Black Crappie. --Black Mosquitofish, CrescentShiner, Eastern US 158 US Location 36.38527778 Latitude RuralResidential Elevation (ft)Elevation Substrate 430 0 -79.10777778 Longitude SpeciesTotal Exotic Species2009Exotic Gravel,woodysand, debris 05/21/09 15 21 21 Stream Width (m) Width Stream Date Habitats 2009 -- 2.3 times more fish collected in 2009in 2004thancollected in (556fish vs. more --times 2.3 Agriculture 8 -- very low flow; coarsewoody channel,debristheriparianin AUNumber 22-58-4-(3) 25 Station ID Station NPDES Number NPDES NF30 2004&2009 --largea despite drainage area, only Site Photograph Photograph Site --- Green Sunfish, BluegillGreen Sunfish, NCIBI Losses 52 44 38 Average Depth(m) -- Mountain Redbelly White Dace, 0.4 SouthernOuter Piedmont Level IV Ecoregion LevelIV Bioclassification Other(describe) Fair Bioclassification Volume (MGD) Volume 0 Note: Good-Fair ReferenceSite Good Fair the site was site the --- No 2-B.9
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices ; and ; and were rare at rare were Fair Fair Poor Fair Good-Fair 5.0 0.1 Bioclassification Bioclassification Volume (MGD) was rare at this rare samplingwas Stream Depth (m) Stream Depth Trianodes ignitus Trianodes Maccaffertium modestum Other (describe) Other Level IVLevel Ecoregion Northern Inner Piedmont Inner Northern and and and and 6.49 5.93 6.01 5.74 EPT BI EPT Date Psephenus herricki Psephenus 08/12/09 9 Baetis flavistriga Oecetis persimilis was the only abundant chironomid taxa collected. chironomid No taxa abundant the only was Site Photograph BI NC0021024 6.91 6.43 6.25 6.35 NPDES Number 40 22-58-12-6b AU Number AU Stream Stream Width (m) This channel was dominated by mostlydominated by Thiswas gravel. and channel sand Agriculture 5 9 NB43 13 10 Station Station ID EPT Polypedilum flavum Polypedilum Longitude -78.979444 390 was abundant and the intolerant the intolerant and abundant was 0 Elevation Elevation (ft) S/cm. This stream drains northern portions of urban Roxboro and active row crop crop active row and S/cm. Roxboro This of portions streamurban northern drains Urban µ Substrate The root mat-dwelling caddisflies mat-dwelling root The 33 56 59 53 ST Latitude 36.483333 5 8 8 1 7 5 2 16 10 10 72 9.8 6.5 139 Location 24.1 Macronychus glabratus SR 1322 17.8 60 03010104 Hydropsyche betteni. Hydropsyche 6692 9397 7988 8 8 digit HUC turbid 10809 Sample ID Drainage Area (mi2) Area Drainage . and . and Roxboro WWTPRoxboro Forested/Wetland 5 Subbasin Cheumatopsyche spp Cheumatopsyche C Waterbody 08/24/94 06/30/04 08/12/09 08/25/99 Sample Date Upstream NPDES Dischargers (>1MGD or <1MGDNPDES Dischargers and withinUpstream 1 mile) County MARLOWE CR MARLOWE PERSON Visible (%) Landuse Stream Stream Classification BENTHIC MACROINVERTEBRATE SAMPLE BENTHIC MACROINVERTEBRATE 2-B.10 the the caddisflies the site. The somewhat tolerant riffle beetle taxa the site. riffle tolerant taxa somewhat beetle The Water Clarity (max) Scores Assessment Habitat collected to chironomidin 26 addition taxa. were location. taxa Eight odonate Taxonomic Analysis Taxonomic suchThis macroinvertebrates as sampling tolerant the pollution dominated mayflies by location was agriculture was noted upstream. noted was This to in agriculture lacksiteaddition source pollution maynonpoint of point and sufferboth including from variables several to EPTmany rheophilic substrate taxa. favorable Data Analysis Data in EPTBI1999. Thisfound quality benthic montitoring a bioclassificationstation water received suggesting a transition of backin Fair 2009 to degraded EPTslightly increased and from richness in Chironomid sample.1999. decreased the to2004 the levels observed richness InEPT returned 2009, taxa at the highest the of sitesampling all at was other abundant in high richnessthisThe 2009. years (26) was site. taxa chironomid one taxa Only suggesting torichness drift sampling. lower increased due from could be the thatnight before chironomid was occurred taxa event the rain Conductivity 340 and 220 between levels were improvements from when 2004 stoneflies were collected at stonefliesthis were site in 2009. Left Riparian Score (5) Left Riparian Dissolved Oxygen (mg/L) Oxygen Dissolved Specific (µS/cm) Conductance (s.u.)pH (5) Modification Channel Instream (20) Habitat Bottom Substrate (15) (10) Pool Variety Riffle (16) Habitat Bank Erosion (7) Bank (7) Vegetation (10) Light Penetration Water Quality Parameters Water Quality (°C) Temperature Right Riparian Score (5) Riparian Right Score (100) Habitat Total
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices SpeciesLastChange Since Cycle and riffles, undercuts, clay banks, blow-out banks, clayundercuts, andonendreach.upper riffles, bank at of left Habitats -- drainsextremethe Watershed northeastcorner Personand of extremethe watershed;thenorthwestin corner Granville no municipalities of counties; DataAnalysis ratingreferenceafor site. very becomes reduced during stream veryflow thedryhave that this in possible periodsmay lower thecaused and this thanexpected andscore NCIBI CrescentShiner;the is species dominant nodarters,butintolerant of species; and species 3 sunfish of includingspecies 5 site, knownthis species from very stable. metrics trophic rating;nothechangenot but other thediversity in dartersmetrics, score, of increased NCIBI the 791),especiallyCrescentShiner (111 Most Abundant Most Species2009 TotalHabitat (100)Score RightRiparian (5)Score Riparian Left (5)Score LightPenetration (10) Vegetation(7) Bank Erosion(7) Habitat(16) Riffle VarietyPool(10) (15)Substrate Bottom Habitat(20) Instream ChannelModification (5) pH(s.u.) Conductance (µS/cm) Specific DissolvedOxygen (mg/L) Temperature(°C) Quality Water Parameters HabitatAssessment Scores(max) mile) 1 Upstreamwithin andDischargers NPDES <1MGD or (>1MGD Water Clarity Water Stream ClassificationStream Visible Landuse(%) Visible GRANVILLE FISH COMMUNITYFISH SAMPLE County AARONS CR Sample Date Sample -- regionalwith shallowCarolina and typicala riparianreference high Belt-type quality stream poolsSlate instream site, habitatcharacteristics; 05/26/09 04/28/04 Waterbody C Subbasin 6 DrainageArea (mi2) Forested/Wetland Clear,easilysilted (28%) DarterFantail (30%),CrescentShiner 8 digit HUC digit 8 vs 03010104 27.6 100 . 321); Carolina Darter [Special Concern] collected for the first time; a slight increase in the overalltheincreasein slight adiversity and 321); Carolinatime; . Darterfirst Concern]thefor collected [Special None Eastern Mosquitofish. All species gainedwere orspecies lost All representedMosquitofish. Eastern by 1-5 fish/species. Gains Sample ID Sample 2004-25 2009-45 21.1 6.0 7.2 76 10 18 88 12 12 5 5 7 6 5 8 -- Whitemouth Shiner, Pirate Perch, Redear Perch, CarolinaShiner,Pirate Sunfish, Darter, -- Whitemouth SR 1400 SR Location 36.53166667 Latitude RuralResidential Elevation (ft)Elevation Substrate 370 0 -78.73916667 Longitude SpeciesTotal 2009 Cobble,boulder, gravel Exotic Species2009Exotic 05/26/09 15 16 Stream Width (m) Width Stream -- one-half the number of fish collected in 2009in 2004thancollected in -- one-half(397 fish of numberthe Date Agriculture 8 AUNumber 0 Station ID Station 22-59 NPDES Number NPDES NF31 Site Photograph Photograph Site --- Green Sunfish, Bluegill, Redear Bluegill, Green Sunfish Sunfish, NCIBI 46 50 Average Depth(m) 0.4 Losses 2004&2009 -- only 19 Level IV Ecoregion LevelIV Bioclassification Other(describe) CarolinaBelt Slate -- Rosyside Dace, Good Bioclassification Volume (MGD) Volume 0 ReferenceSite Good Good --- Yes 2-B.11 vs .
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 2-B.12
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Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 6 2 5 25 10 46 10 8.2 0.2 8.2 240 185 293 29.8 13.9 13.9 5100 7100 Max 6 2 5 13 25 10 46 13 10 7.8 0.2 7.8 164 172 258 27.2 5100 7100 90th 4 2 5 25 10 15 10 7.7 0.2 7.7 165 35.5 25.1 18.2 11.4 11.4 2480 3575 75th 2 2 5 11 25 10 10 12 10 7.5 0.2 9.5 9.5 7.5 515 127 17.3 1000 C 22-(39) 03010104 50th Percentiles 2 2 5 25 10 10 10 5.9 7.2 0.2 7.3 7.3 8.9 7.2 335 755 102 10.6 25th 7 1 2 7 5 10 10 10 10 84 3.7 7.2 0.2 6.6 6.6 5.8 120 410 10th Stream class: Stream 1 6 2 6 3 5 10 10 10 10 68 2.5 6.4 4.4 0.2 6.4 120 410 Min NC stream index: stream NC Hydrologic Unit Code: Unit Hydrologic 99.9 %Conf 0 0 0 0 0 0 0 0 0 0 0 0 0 % 22.8 37.5 76.2 %Conf: 0 0 0 0 0 0 0 0 0 3 0 0 0 0 # 13 Results not meeting EL meeting not Results -79.21422 Basinwide AssessmentBasinwide Report 22.8 % > 400:% NCDENR, Division of Water Quality >2 <4 <6 >7 <5 >9
EL >50 >50 >88 >50 >32 >10 >25 N/A N/A N/A >1000 >0.012 13 Ambient MonitoringAmbient Station Summaries System 0 4 5 9 9 8 9 6 0 9 9 0 0 0 0 0 0 0 # 12/03/2009 ND # > 400: Longitude: to # 9 9 8 9 9 9 8 8 9 9 57 20 57 57 57 57 57 56 results 95 01/12/2005 Geomean: 36.54079 NCAMBNT DAN RIV AT NC 57 AT VA LINE AT MILTON AT LINE 57VA AT NC AT RIV DAN N3500000 57 # results: Turbidity (NTU) Chromium, (Cr) total (Ni) total Nickel, Zinc, (Zn) total Lead, total (Pb) Lead, total (Hg) Mercury, Arsenic, totalArsenic, (As) Cadmium, (Cd)total Copper, total (Cu) total (Fe) Iron, TSS (mg/L) TSS (Al) Aluminum, total pH (SU) Spec. conductance (umhos/cm at 25°C) (°C) Temperature Water D.O. (mg/L) D.O. Time period: Time Agency: Key: observations of number result: # (non-detect) level detection below be to reported observations of number ND: # level action or standard quality water narrative or numeric applicable Level; Evaluation EL: level evaluation meeting not observations of percentages and number EL: meeting not Results Coliform) Fecal for (20% 10% least at is exceedances of percentage actual the that confidence statistical percent the States : %Conf confidence statistical for evaluated not were parameter given a for results 10 than less with Stations Fecal Coliform Screening(#/100mL) Coliform Fecal Other Metals (ug/L) Field Location: #: Station Latitude: 2-C.2
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices Stations with less than 10 results for a given parameter were not evaluated for statistical confidence %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Results not meeting EL: number and percentages of observations not meeting evaluation level EL: Evaluation Level; applicable numeric or narrative water quality standard or action level # ND: number of observations reported to be below detection level (non-detect) # result: number of observations Key: Fecal ColiformScreening(#/100mL) (ug/L)Metals Other Field Latitude: Station #: Location: Agency: Time period: Mercury,(Hg) total Lead,(Pb) total Iron,(Fe) total (Cu) total Copper, (Cr) total Chromium, total (Cd) Cadmium, Arsenic,(As) total (Al)total Aluminum, (NTU) Turbidity TSS (mg/L) 25°C) at (umhos/cm conductance Spec. Salinity(ppt) (SU) pH D.O.(mg/L) Water Temperature (°C) Zinc, total(Zn) Zinc, Nickel,total(Ni) # results: # 44 N4250000 HYCO RIV BELOWAFTERBAY DAM NR MCGHEESMILL NCAMBNT 36.52353 Geomean: 01/10/2005 9.1 results 47 18 48 46 48 46 47 48 9 9 8 9 8 8 9 9 8 9 9 # # to Longitude: # >400: # ND 11/16/2009 # # 0 9 0 9 0 0 9 0 0 7 9 8 7 6 9 0 0 0 0 Ambient Monitoring System Summaries Station AmbientMonitoring 0 >0.012 >1000 N/A N/A N/A N/A >50 >50 >25 >10 >32 >50 >88 EL
>9 <5 >7 >2 <6 <4 NCDENR, Division of Water Quality Water of Division NCDENR, %>400: Basinwide Assessment Report BasinwideAssessment 0 -78.99600 Resultsnot meetingEL # # 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 %Conf: % 2.1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 %Conf Hydrologic Unit Code: NC stream index: Min 160 104 250 2.3 5.9 6.3 0.2 5.9 6.3 5.2 10 10 10 10 5 3 0 2 1 Stream class: 10th 160 107 250 3.7 3.2 6.4 6.7 0.2 6.4 6.7 7.9 10 10 10 10 5 0 2 1 25th 160 110 275 4.7 0.1 6.6 7.1 0.2 6.6 7.1 9.5 25 10 10 10 4 5 2 2 Percentiles 50th 03010104 22-58-(9.5) C 17.3 215 124 405 4.9 6.2 0.1 7.1 0.2 7.1 25 10 10 10 5 9 2 2 9 75th 10.9 10.9 23.3 368 178 520 5.9 6.6 0.1 7.3 0.2 7.3 25 10 12 10 5 2 2 90th 10.2 11.8 11.8 26.1 410 255 860 8.5 0.1 7.4 0.2 7.4 25 10 17 10 5 2 2 Max 12.6 12.6 28.9 410 285 860 9.7 0.1 7.8 0.2 7.8 25 10 12 17 10 5 2 2 2-C.3
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 2 5 16 10 66 10 65 25 0.3 8.8 0.2 8.8 0.3 630 729 26.3 14.2 0.02 14.2 0.87 0.53 2200 1000 Max 2 5 16 10 10 21 25 0.3 7.7 0.2 7.7 0.3 630 582 23.6 13.5 0.02 13.5 22.8 0.87 0.53 2200 1000 90th 7 2 5 10 57 10 25 0.3 7.4 0.2 7.4 8.8 0.2 845 405 755 21.9 12.1 0.02 12.1 12.5 0.87 0.53 75th 4 2 7 5 10 46 10 25 0.3 9.3 7.1 0.2 9.3 7.1 4.9 0.1 570 263 360 15.1 0.02 0.87 0.53 C 22-58-12-6 03010104 50th Percentiles 4 2 5 10 26 10 25 0.3 9.9 7.6 6.8 0.2 7.6 6.8 3.6 6.2 0.1 415 184 170 0.02 0.87 0.53 25th 2 1 5 10 12 10 10 0.3 6.2 6.9 6.5 0.2 6.9 6.5 2.4 3.7 0.1 190 156 100 0.02 0.87 0.53 10th Stream class: Stream 2 1 5 10 12 10 10 0.3 2.2 6.5 6.2 0.2 6.5 6.2 1.2 2.5 0.1 190 114 100 0.02 0.87 0.53 Min NC stream index: stream NC Hydrologic Unit Code: Unit Hydrologic %Conf 0 0 0 0 0 0 0 0 0 0 0 4.3 % 22.2 44.4 11.1 %Conf: 0 2 0 0 0 4 1 0 0 0 0 0 0 2 0 # Results not meeting EL meeting not Results -78.97941 Basinwide AssessmentBasinwide Report 10.6 % > 400:> % NCDENR, Division of Water Quality >7 <4 <6 >2 <5 >9
EL >88 >50 >32 >25 >10 >50 >50 N/A N/A N/A N/A N/A N/A N/A N/A >1000 >0.012 5 Ambient MonitoringAmbient Station Summaries System 0 0 0 1 0 1 8 9 8 9 0 0 0 0 9 0 0 0 0 9 9 0 0 # 11/16/2009 ND # > 400: Longitude: to # 9 9 8 9 9 9 1 1 1 1 9 9 9 8 9 48 47 48 46 46 48 18 47 results 81.7 01/10/2005 Geomean: 36.48325 NCAMBNT MARLOWE CRK AT SR 1322WOODSDALE NR SR AT CRK MARLOWE N4400000 47 # results: Nickel, total (Ni) total Nickel, Zinc, (Zn) total Water Temperature (°C) Temperature Water Iron, total (Fe) Iron, total (Pb) Lead, Aluminum, total (Al) Aluminum, total Chromium, total (Cr) Copper, total (Cu) NH3 as N NO2 + NO3 as N as N TKN PhosphorusTotal TSS (mg/L) TSS Turbidity (NTU) pH (SU) (ppt)Salinity Spec. conductance (umhos/cm at 25°C) Cadmium, (Cd)total total (Hg) Mercury, D.O. (mg/L) D.O. Arsenic, total total (As) Arsenic, Time period: Time Agency: Key: observations of number result: # (non-detect) level detection below be to reported observations of number ND: # level action or standard quality water narrative or numeric applicable Level; Evaluation EL: level evaluation meeting not observations of percentages and number EL: meeting not Results Coliform) Fecal for (20% 10% least at is exceedances of percentage actual the that confidence statistical percent the States : %Conf confidence statistical for evaluated not were parameter given a for results 10 than less with Stations Fecal Coliform Screening(#/100mL) Coliform Fecal Metals (ug/L) Other (mg/L) Nutrients Field Location: #: Station Latitude: 2-C.4
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices Stations with less than 10 results for a given parameter were not evaluated for statistical confidence %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Results not meeting EL: number and percentages of observations not meeting evaluation level EL: Evaluation Level; applicable numeric or narrative water quality standard or action level # ND: number of observations reported to be below detection level (non-detect) # result: number of observations Key: Fecal ColiformScreening(#/100mL) (ug/L)Metals Other Field Latitude: Station #: Location: Agency: Time period: Zinc, total(Zn) Zinc, (Cu) total Copper, Nickel,total(Ni) Mercury,(Hg) total (Mn) total Manganese, Lead,(Pb) total Iron,(Fe) total total (Cr) Chromium, (Cd) total Cadmium, Arsenic,(As) total (Al)total Aluminum, (NTU)Turbidity TSS (mg/L) 25°C) at (umhos/cm conductance Spec. Salinity(ppt) (SU) pH D.O.(mg/L) Water Temperature (°C) # results: # 47 N4510000 HYCO RIV ATUS NR 501 DENNISTON VA NCAMBNT 36.58805 Geomean: 01/10/2005 61 results 46 47 18 47 48 48 9 9 9 9 9 9 9 8 8 9 4 9 # # to Longitude: # >400: # ND 11/16/2009 10 # # 6 9 9 9 3 8 0 0 9 0 0 0 0 0 0 9 0 Ambient Monitoring System Summaries Station AmbientMonitoring 1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A EL
NCDENR, Division of Water Quality Water of Division NCDENR, %> 400: 2.1 Basinwide Assessment Report BasinwideAssessment -78.89814 Resultsnot meetingEL # # %Conf: % %Conf Hydrologic Unit Code: NC stream index: Min 120 102 0.2 1.7 0.1 5.9 2.5 6.2 3.9 10 10 10 10 99 87 2 5 1 Stream class: 10th 120 130 0.2 2.8 0.1 6.4 2.5 6.2 5.7 10 10 10 10 99 87 2 5 1 25th 470 109 128 144 0.2 4.1 0.1 6.9 3.9 6.7 10 10 10 25 2 5 2 9 Percentiles 50th 03010104 III NT III 15.3 580 200 155 168 0.2 6.3 0.1 8.7 6.2 10 10 10 25 2 5 7 2 75th 1095 10.8 23.6 660 160 193 0.2 0.1 6.9 7.2 16 10 10 25 10 3 5 2 90th 2300 1600 11.7 21.5 160 234 0.2 0.1 7.5 41 10 10 25 27 26 4 5 2 Max 2300 1600 12.6 27.2 160 265 0.2 0.1 7.9 41 10 10 25 95 35 4 5 2 2-C.5
Roanoke River Basin: Lower Dan River Subbasin (HUC 03010104) appendices 2 3 7 5 10 14 10 25 8.4 0.2 8.4 3.9 0.1 160 210 670 12.6 31.6 12.6 Max 2 3 5 10 14 10 25 7.7 0.2 7.7 6.3 2.9 0.1 140 670 210 11.6 24.9 11.6 90th 2 2 5 2 10 11 10 76 25 7.3 0.2 7.3 6.2 0.1 128 102 11.1 22.1 11.1 75th 7 2 2 7 5 10 10 10 58 25 72 9.5 0.2 6.2 9.5 1.3 119 16.3 0.05 C 22-58-15-(3.5) 03010104 50th Percentiles 2 2 0 5 1 10 10 10 50 25 50 8.1 6.5 0.2 6.5 9.8 2.5 8.1 113 25th 7 2 1 7 0 5 1 10 10 10 97 50 10 50 6.4 0.2 6.4 7.2 2.5 10th Stream class: Stream 2 1 0 5 1 10 10 10 92 50 10 50 6.4 6.1 0.2 6.4 6.1 4.7 2.5 Min NC stream index: stream NC Hydrologic Unit Code: Unit Hydrologic %Conf 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % %Conf: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 # Results not meeting EL meeting not Results -78.87362 Basinwide AssessmentBasinwide Report 2.2 % > 400:> % NCDENR, Division of Water Quality >7 <4 <6 >2 <5 >9
EL >88 >50 >10 >25 >32 >50 >50 N/A N/A N/A N/A >1000 >0.012 1 Ambient MonitoringAmbient Station Summaries System 0 9 7 8 9 7 0 9 0 3 3 0 0 9 9 0 0 # 14 10 11/16/2009 ND # > 400: Longitude: to # 9 9 8 9 9 9 9 9 9 9 8 48 48 46 48 18 47 46 47 results 7.6 01/10/2005 Geomean: 36.54021 NCAMBNT MAYO CRK AT SR 1501 NR BETHEL1501 HILL NR SR AT CRK MAYO N4590000 46 # results: Nickel, total (Ni) total Nickel, Zinc, (Zn) total Iron, total (Fe) Iron, total (Pb) Lead, Water Temperature (°C) Temperature Water Aluminum, total (Al) total (As) Arsenic, Chromium, total (Cr) Copper, total (Cu) TSS (mg/L) TSS Turbidity (NTU) pH (SU) (ppt)Salinity Spec. conductance (umhos/cm at 25°C) Cadmium, (Cd)total D.O. (mg/L) D.O. Mercury, total (Hg) Mercury, Time period: Time Agency: Key: observations of number result: # (non-detect) level detection below be to reported observations of number ND: # level action or standard quality water narrative or numeric applicable Level; Evaluation EL: level evaluation meeting not observations of percentages and number EL: meeting not Results Coliform) Fecal for (20% 10% least at is exceedances of percentage actual the that confidence statistical percent the States : %Conf confidence statistical for evaluated not were parameter given a for results 10 than less with Stations Fecal Coliform Screening(#/100mL) Coliform Fecal Other Metals (ug/L) Field Location: #: Station Latitude: 2-C.6
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