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Appendix A-1. Illinois' 2018 303(d) List and HighHighHighHighHydrologicUnit ghHigh19Order1234567891011Water NameKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverKaskaskia RiverAssessment IDIL O-03IL O-03IL O-20IL O-20IL O-20IL O-20IL O-30IL O-30IL O-30IL O-30IL O-30Designated UseAquatic LifeFish ConsumptionAquatic LifeAquatic LifeAquatic LifeFish ConsumptionAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish phorus (Total)Temperature, waterTotal Suspended Solids (TSS)MercuryPhosphorus (Total)Sedimentation/SiltationTemperature, waterTotal Suspended Solids (TSS)MercuryIL O-97IL OZDIL OZDIL OZD8.9120.0720.0720.07IL SOL707140204090512011409Kaskaskia RiverDoza CreekDoza CreekDoza CreekSLM SIDECHANNELRESERVOIRSLM SIDECHANNELRESERVOIRLittle Wabash RiverPublic and FoodProcessing Water SuppliesAquatic LifeAquatic LifeAquatic LifeAtrazinePhosphorus (Total)Sedimentation/SiltationSludgeAesthetic QualityPhosphorus (Total)IL SOLIL C-33743.72Aesthetic QualityFish ConsumptionTotal Suspended Solids (TSS)MercuryHigh0512011409Little Wabash RiverIL C-3343.72Public and FoodProcessing Water Supplies 09051201140905120114090512011409Little Wabash RiverBig Creek-SouthBig Creek-SouthJohnson CreekPond CreekPond CreekFAIRFIELDFAIRFIELDIL C-33IL CBIL CBIL CCA-FF-A1IL CC-FF-C3IL CC-FF-D1IL RCZJIL RCZJ43.725.485.483.497.334.642222Public and FoodProcessing Water SuppliesAesthetic QualityAquatic LifeAquatic LifeAquatic LifeAquatic LifeAesthetic QualityAesthetic Quality28High0512011409FAIRFIELDIL RCZJ22Public and FoodProcessing Water Supplies Atrazine29High0512011409FAIRFIELDIL RCZJ22Public and FoodProcessing Water Supplies 120136High0713001201FAIRFIELDMacoupin CreekBriar CreekCARLINVILLEBEAVER DAMGILLESPIE OLDLOVELESS 110071100011040High414243HighHighHighWater 313.3SimazinePhosphorus (Total)Oxygen, DissolvedCause UnknownCause UnknownCause UnknownPhosphorus (Total)Total Suspended Solids (TSS)Public and FoodProcessing Water SuppliesAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionFish ConsumptionTotal Dissolved SolidsTotal Suspended Solids (TSS)Phosphorus (Total)MercuryMercuryMercuryAesthetic QualityPhosphorus (Total)IL RCZJIL DA-05IL DAZNIL RDGIL RDHIL SDT2245.474.4416856.571IL WDW121LOVELESS (CarlinvilleII)Mississippi RiverMississippi RiverIL WDWIL K-17IL K-1712139.1339.130711000110Mississippi RiverIL K-1739.13Public and FoodProcessing Water SuppliesFish ConsumptionFish ConsumptionPrimary sissippi RiverTaylor CreekTaylor CreekIL K-17IL DAF-01IL DAF-0139.1324.124.1Public and FoodProcessing Water Supplies AtrazineAquatic LifeManganeseAquatic LifeTotal Suspended Solids (TSS)1SimazineMercuryPolychlorinated biphenylsFecal Coliform
Appendix A-1. Illinois' 2018 303(d) List and PrioritizationHydrologicOrder Priority Unit Code44 High071300120345High071300120346Medium 071200030147Medium 071200030148Medium 071200030149Medium 071200030150Medium 071200030151Medium 071200030152Medium 58Medium 071200030159Medium 071200030160Medium 071200030161Medium 071200030162Medium 071200030163Medium 071200030164Medium 071200030165Medium 071200030166Medium 071200030167Medium 071200030168Medium 071200030169Medium 071200030170Medium 071200030171Medium 071200030172Medium 071200030173Medium 071200030174Medium 01071200030107120003010712000301Water NameGREENFIELDAssessment IDIL RDZFWater Size* Designated Use58.8Aesthetic QualityGREENFIELDChicago Sanitary AndShip CanalChicago Sanitary AndShip CanalChicago Sanitary AndShip CanalChicago Sanitary AndShip CanalSouth Branch ChicagoRiverSouth Branch ChicagoRiverSouth Fork South BranchChicago RiverSouth Fork South BranchChicago RiverChicago RiverChicago RiverChicago RiverChicago RiverIL RDZF58.8Public and FoodProcessing Water Supplies SimazineIL GI-036.03Fish ConsumptionMercuryIL GI-036.03Fish ConsumptionPolychlorinated biphenylsIL GI-036.03Indigenous Aquatic LifeOxygen, DissolvedIL GI-036.03Indigenous Aquatic LifePhosphorus (Total)IL HC-013.95Fish ConsumptionMercuryIL HC-013.95Fish ConsumptionPolychlorinated biphenylsIL HCA-011.49Indigenous Aquatic LifeOxygen, DissolvedIL HCA-01IL HCB-01IL HCB-01IL HCB-01IL HCB-011.491.291.291.291.29Phosphorus (Total)pHPhosphorus (Total)MercuryPolychlorinated biphenylsChicago RiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Branch ChicagoRiverNorth Shore ChannelNorth Shore ChannelNorth Shore ChannelIL HCB-011.29Indigenous Aquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationIL HCC-022.03Fish ConsumptionMercuryIL HCC-022.03Fish ConsumptionPolychlorinated biphenylsIL HCC-022.03Indigenous Aquatic LifeOxygen, DissolvedIL HCC-022.03Indigenous Aquatic LifeTotal Dissolved SolidsIL HCC-0711.9Aquatic LifeAldrinIL HCC-0711.9Aquatic LifeDDTIL HCC-0711.9Aquatic LifeHexachlorobenzeneIL HCC-0711.9Aquatic LifePhosphorus (Total)IL HCC-0711.9Aquatic LifeTotal Suspended Solids (TSS)IL HCC-0711.9Fish ConsumptionMercuryIL HCC-0711.9Fish ConsumptionPolychlorinated biphenylsIL HCC-085.75Fish ConsumptionMercuryIL HCC-085.75Fish ConsumptionPolychlorinated biphenylsIL HCC-085.75Indigenous Aquatic LifeIronIL HCC-085.75Indigenous Aquatic LifeOxygen, DissolvedIL HCC-085.75Indigenous Aquatic LifePhosphorus (Total)IL HCC-08IL HCCA-02IL HCCA-02IL HCCA-025.754.414.414.41Indigenous Aquatic LifeAquatic LifeAquatic LifeAquatic LifeTotal Dissolved SolidsOxygen, DissolvedpHPhosphorus (Total)2CausePhosphorus (Total)Fecal Coliform
Appendix A-1. Illinois' 2018 303(d) List and PrioritizationHydrologicOrder Priority Unit Code79 Medium 071200030180 Medium 0712000301818283Medium 0712000301Medium 0712000301Medium 071200030184Medium 071200030185Medium 071200030186Medium 071200030187Medium 071200030188Medium 071200030189Medium 071200030190Medium 071200030191Medium 071200030192Medium 071200030193Medium 071200030194Medium 071200030195Medium 071200030196Medium 071200030197Medium 071200030198Medium 071200030199Medium 0712000301100Medium 0712000301101Medium 0712000301102Medium 0712000301103Medium 0712000301104Medium 0712000301105Medium 0712000301106Medium 0712000301107Medium 0712000301108Medium 0712000301109Medium 0712000301110Medium 0712000301111112Medium 0712000301Medium 0712000301Water NameNorth Shore ChannelNorth Shore ChannelAssessment IDIL HCCA-02IL HCCA-02North Shore ChannelNorth Shore ChannelNorth Shore ChannelWest Fork North BranchChicago RiverWest Fork North BranchChicago RiverWest Fork North BranchChicago RiverWest Fork North BranchChicago RiverWest Fork North BranchChicago RiverWest Fork North BranchChicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverMiddle Fork NorthBranch Chicago RiverSkokie RiverIL HCCA-02IL HCCA-04IL HCCA-04Water Size* Designated Use4.41Fish Consumption4.41Fish ConsumptionPrimary Contact4.41Recreation3.32Fish Consumption3.32Fish ConsumptionCauseMercuryPolychlorinated biphenylsFecal ColiformMercuryPolychlorinated biphenylsIL HCCB-0514.48Aquatic LifeAldrinIL HCCB-0514.48Aquatic LifeDDTIL HCCB-0514.48Aquatic LifeEndrinIL HCCB-0514.48Aquatic LifeHexachlorobenzeneIL HCCB-0514.48Aquatic LifePhosphorus (Total)IL HCCB-0514.48Aquatic LifeTotal Suspended Solids (TSS)IL HCCC-0218.57Aesthetic QualityBottom DepositsIL HCCC-0218.57Aesthetic QualityPhosphorus (Total)IL HCCC-0218.57Aquatic LifeDDTIL HCCC-0218.57Aquatic LifeHexachlorobenzeneIL HCCC-0218.57Aquatic LifeSedimentation/SiltationIL HCCC-0218.57Aquatic LifeTotal Suspended Solids (TSS)IL HCCC-043.51Aquatic LifeBariumIL HCCC-043.51Aquatic LifeCadmiumIL HCCC-043.51Aquatic LifeChromium (total)IL HCCC-043.51Aquatic LifeCopperIL HCCC-043.51Aquatic LifeDDTIL HCCC-043.51Aquatic LifeEndrinIL HCCC-043.51Aquatic LifeHexachlorobenzeneIL HCCC-043.51Aquatic LifeLeadIL HCCC-043.51Aquatic LifeMercuryIL HCCC-043.51Aquatic LifeNickelIL HCCC-043.51Aquatic LifePhosphorus (Total)IL HCCC-043.51Aquatic LifeSedimentation/SiltationIL HCCC-043.51Aquatic LifeSilverIL HCCC-043.51Aquatic LifeTotal Suspended Solids (TSS)IL HCCC-043.51Fish ConsumptionMercuryIL HCCC-04IL HCCD-013.5113.47Fish ConsumptionAquatic LifePolychlorinated biphenylsChloride3
Appendix A-1. Illinois' 2018 303(d) List and umMediumHydrologicUnit ium 0712000301123Medium 0712000301124Medium 0712000301125Medium 1071200030107120003010712000301135Medium 0712000301136Medium 0712000301137Medium 0712000301138Medium 0712000301139Medium 0712000301140Medium 0712000301141Medium 0712000301142Medium 2000405Water NameSkokie RiverSkokie RiverSkokie RiverSkokie RiverSkokie RiverSkokie RiverSkokie RiverSkokie RiverSkokie RiverHUMBOLDT PARKLAGOONHUMBOLDT PARKLAGOONHUMBOLDT PARKLAGOONMARQUETTE PARKLAG.MARQUETTE PARKLAG.SKOKIE LAGOONSSKOKIE LAGOONSSKOKIE LAGOONSCHICAGO BOTANICGARDENELEANORELEANORELEANORELEANORSHERMAN PARKLAGOONSSHERMAN PARKLAGOONSGARFIELD PK.LAGOONGARFIELD PK.LAGOONDOUGLAS PARKLAGOONDOUGLAS PARKLAGOONMC KINLEY PK.LAGOONMC KINLEY PK.LAGOONGOMPERS PARKLAGOONLAMB'S FARMLUCKY LAKELUCKY LAKENIELSON PONDNIELSON PONDOLD SCHOOLDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines 5071200040507120004050712000405Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverAssessment IDIL HCCD-01IL HCCD-01IL HCCD-09IL HCCD-09IL HCCD-09IL HCCD-09IL HCCD-09IL HCCD-09IL HCCD-09IL G-15IL G-22IL G-22IL G-22Water ted UseAquatic LifeAquatic LifeAesthetic QualityAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish ConsumptionCausePhosphorus (Total)Total Suspended Solids (TSS)Bottom DepositsChlordaneChlorideOxygen, DissolvedPhosphorus (Total)Sedimentation/SiltationMercuryIL RHB19.9Aesthetic QualityPhosphorus (Total)IL RHB19.9Aesthetic QualityTotal Suspended Solids (TSS)IL RHB19.9Fish ConsumptionMercuryIL RHE40Aesthetic QualityPhosphorus (Total)IL RHEIL RHJIL RHJIL RHJ40225225225Fish ConsumptionAesthetic QualityAesthetic QualityFish ConsumptionMercuryPhosphorus (Total)Total Suspended Solids (TSS)MercuryIL RHJAIL RHKIL RHKIL RHKIL RHK60.611111111Aesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAquatic LifePhosphorus (Total)Phosphorus (Total)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)IL RHU14Aesthetic QualityCause UnknownIL RHU14Fish ConsumptionMercuryIL RHW13.7Aesthetic QualityPhosphorus (Total)IL RHW13.7Aesthetic QualityTotal Suspended Solids (TSS)IL RHX6.6Aesthetic QualityPhosphorus (Total)IL RHX6.6Aesthetic QualityTotal Suspended Solids (TSS)IL RHY7Fish ConsumptionMercuryIL RHY7Fish ConsumptionPolychlorinated thetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeAquatic LifeAquatic LifeCause UnknownTotal Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Cause UnknownChlorideOxygen, DissolvedPhosphorus ed biphenylsIL RHZAIL UHAIL UHBIL UHBIL UHPIL UHPIL WGZIIL G-15IL G-15IL G-15IL G-15IL G-15IL G-153.524.314.314.314Fecal ColiformArsenicChlorideMethoxychlor
Appendix A-1. Illinois' 2018 303(d) List and mMediumMediumHydrologicUnit Code0712000405071200040507120004050712000405Water NameDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverAssessment IDIL G-22IL G-22IL G-22IL 0040507120004050712000405Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL G-22IL G-26IL G-26IL G-26IL G-28IL G-28IL G-28IL G-28IL 40507120004050712000405Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL G-28IL G-30IL G-30IL G-30IL G-30IL G-30IL 200040507120004050712000405Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL G-30IL G-32IL G-32IL G-32IL 00040507120004050712000405Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL G-32IL G-35IL G-35IL G-35IL G-35IL G-36IL G-36IL es Plaines RiverSilver CreekSilver CreekSilver CreekWillow CreekHiggins CreekHiggins CreekBuffalo CreekIndian CreekDIAMONDOPEKACOUNTRYSIDE LAKESYLVANFORESTLAKE CHARLESBUFFALO CREEKBUFFALO CREEKSCHILLER PONDSCHILLER PONDLUCY LAKELUCY LAKELONGVIEW MEADOWLONGVIEW MEADOWLONGVIEW MEADOWLONGVIEW MEADOWIL G-36IL GM-01IL GM-01IL GM-01IL GO-01IL GOA-01IL GOA-02IL GSTIL GU-02IL RGBIL RGFIL RGQIL RGZFIL RGZGIL RGZJIL SGCIL SGCIL SGFIL SGFIL SGTIL SGTIL SGUIL SGUIL SGUIL SGUWater gnated UseAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeFish ConsumptionFish ConsumptionAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAesthetic QualityAesthetic QualityAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeFish ConsumptionFish ConsumptionAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAquatic LifeCausePhosphorus (Total)Total Suspended Solids (TSS)MercuryPolychlorinated biphenylsFecal ColiformCause UnknownMercuryPolychlorinated biphenylsChlorideOxygen, DissolvedPhosphorus (Total)MercuryPolychlorinated biphenylsFecal ColiformChlorideOxygen, DissolvedPhosphorus (Total)Total Suspended Solids (TSS)MercuryPolychlorinated biphenylsFecal ColiformChloridePhosphorus (Total)MercuryPolychlorinated biphenylsFecal ColiformCause UnknownPhosphorus (Total)MercuryPolychlorinated biphenylsPhosphorus (Total)MercuryPolychlorinated biphenylsFecal ColiformDebris/Floatables/TrashVisible OilOxygen, DissolvedPhosphorus (Total)Phosphorus (Total)Cause UnknownTotal Suspended Solids (TSS)Oxygen, DissolvedTotal Suspended Solids (TSS)Cause UnknownTotal Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)MercuryPolychlorinated biphenylsPhosphorus (Total)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Oxygen, DissolvedPhosphorus (Total)
Appendix A-1. Illinois' 2018 303(d) List and cUnit 04080712000408264265266Medium 0712000408Medium 0712000408Medium 0712000408267Medium 0712000408268Medium 0712000408269Medium 0712000408270Medium 0712000408271Medium 0712000408272Medium 0712000408Water NameLONGVIEW MEADOWBRIARCREST PONDHALFDAY PITHALFDAY PITBISHOPBISHOPLAKE LEOLAKE NAOMILAKE NAOMIBRESEN LAKEBRESEN LAKEBRESEN LAKEPOND-A-RUDYPOND-A-RUDYMARY LEESTOCKHOLMSTOCKHOLMALBERT LAKE (outlet)ALBERT LAKE (outlet)WERHANE LAKEWERHANE LAKEHARVEY LAKEHARVEY LAKEMEADOW LAKE W.MEADOW LAKE W.SALEM-REEDMEADOW LAKE E.MEADOW LAKE E.OLD MILLOLD MILLBIG BEARBIG BEARLITTLE BEARDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverDu Page RiverAssessment IDIL SGUIL SGZIL UGBIL UGBIL UGJIL UGJIL UGLIL UGMIL UGMIL UGNIL UGNIL UGNIL UGPIL UGPIL UGRIL UGSIL UGSIL VGGIL VGGIL VGHIL VGHIL VGJIL VGJIL WGFIL WGFIL WGKIL WGLIL WGLIL WGUIL WGUIL WGZUIL WGZUIL WGZVIL GB-01IL GB-01IL GB-01IL GB-11IL GB-11IL GB-11IL GB-11IL GB-11IL GB-11IL GB-11IL GB-16IL GB-16IL GB-16Illinois & Michigan CanalRock RunLily Cache CreekWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverIL GBAIL GBAA-01IL GBE-02Water 859.6410.05Designated UseAquatic LifeAesthetic QualityAesthetic QualityAquatic LifeAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAquatic LifeAesthetic QualityAquatic LifeAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAesthetic QualityAquatic LifeFish ConsumptionFish ConsumptionAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionAquatic LifeFish ConsumptionFish ConsumptionCauseTotal Suspended Solids (TSS)Cause UnknownTotal Suspended Solids (TSS)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Cause UnknownPhosphorus (Total)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Oxygen, DissolvedpHTotal Suspended Solids (TSS)Total Suspended Solids (TSS)Phosphorus (Total)Phosphorus (Total)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Phosphorus (Total)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Total Suspended Solids (TSS)Phosphorus (Total)MercuryPolychlorinated biphenylsArsenicMethoxychlorPhosphorus (Total)Polychlorinated ated biphenylsPhosphorus (Total)MercuryPolychlorinated biphenylsFish ConsumptionAquatic LifeAquatic LifeMercuryCause UnknownCause UnknownIL GBK-029.43Aquatic LifeArsenicIL GBK-029.43Aquatic LifeMethoxychlorIL GBK-029.43Aquatic LifePhosphorus (Total)IL GBK-029.43Aquatic LifeSedimentation/SiltationIL GBK-029.43Fish ConsumptionMercuryIL GBK-0510.51Aquatic LifePhosphorus (Total)6
Appendix A-1. Illinois' 2018 303(d) List and PrioritizationHydrologicOrder Priority Unit Code273Medium 0712000408274Medium 0712000408275Medium 0712000408276Medium umMediumMedium283Medium 0712000408284Medium 0712000408285Medium 0712000408286Medium 0712000408287Medium 0712000408288Medium 0712000408289Medium 0712000408290Medium 0712000408291Medium 0712000408292Medium 0712000408293Medium 0712000408294Medium 0712000408295Medium 0712000408296Medium 0712000408297Medium 0712000408298Medium 0712000408299Medium 0712000408300Medium 0712000408301Medium 0712000408302Medium 0712000408303Medium 0712000408304Medium 0712000408305Medium 0712000408306Medium 07120004080712000408Water NameWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverWest Branch Du PageRiverSpring BrookSpring BrookSpring BrookKress CreekWinfield CreekEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverAssessment IDWater Size* Designated UseCauseIL GBK-0510.51Aquatic LifeSedimentation/SiltationIL GBK-0510.51Aquatic LifeTotal Suspended Solids (TSS)IL GBK-0911.86Aquatic LifePhosphorus (Total)IL GBK-0911.86Aquatic LifeSedimentation/SiltationIL GBK-09IL GBKAIL GBKAIL GBKA-01IL GBKB-01IL GBKF-0111.861.741.743.187.916.89Aquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeTemperature, waterChloridePhosphorus (Total)Phosphorus (Total)Oxygen, DissolvedOxygen, DissolvedIL GBL-028.01Aquatic LifeArsenicIL GBL-028.01Aquatic LifeMethoxychlorIL GBL-028.01Aquatic LifePhosphorus (Total)IL GBL-028.01Aquatic LifeSedimentation/SiltationIL GBL-028.01Fish ConsumptionPolychlorinated biphenylsIL GBL-053.18Aquatic LifePhosphorus (Total)IL GBL-053.18Aquatic LifeTotal Suspended Solids (TSS)IL GBL-053.18Fish ConsumptionPolychlorinated biphenylsIL GBL-084.71Aquatic LifeArsenicIL GBL-084.71Aquatic LifeDieldrinIL GBL-084.71Aquatic LifeHexachlorobenzeneIL GBL-084.71Aquatic LifeMethoxychlorIL GBL-084.71Aquatic LifePhosphorus (Total)IL GBL-084.71Aquatic LifeSedimentation/SiltationIL GBL-084.71Aquatic LifeTotal Suspended Solids (TSS)IL GBL-084.71Fish ConsumptionPolychlorinated biphenylsIL GBL-104.64Aquatic LifeArsenicIL GBL-104.64Aquatic LifeDieldrinIL GBL-104.64Aquatic LifeHexachlorobenzeneIL GBL-104.64Aquatic LifeMethoxychlorIL GBL-104.64Aquatic LifePhosphorus (Total)IL GBL-104.64Fish ConsumptionPolychlorinated biphenylsIL GBL-113.45Aquatic LifeOxygen, DissolvedIL GBL-113.45Aquatic LifepH7
Appendix A-1. Illinois' 2018 303(d) List and PrioritizationHydrologicOrder Priority Unit Code307Medium 0712000408308Medium 8071200040807120004080712000408Water NameEast Branch Du PageRiverEast Branch Du PageRiverEast Branch Du PageRiverSt Joseph CreekSt Joseph CreekSILVER (DuPAGE)WHALONMEADOWMARMOSTERLING PONDSTERLING diumMedium352353354Medium 0712000407Medium 0712000407Medium 0712000407355Medium 0712000407356Medium 0712000407357Medium 0712000407358Medium 0712000407Assessment IDWater Size* Designated UseCauseIL GBL-113.45Aquatic LifePhosphorus (Total)IL GBL-113.45Aquatic LifeSedimentation/SiltationIL GBL-11IL GBLB-01IL GBLB-01IL RGDIL VGZIL WGAIL WGBIL WGCIL WGC3.454.294.2956.92494.93.72.12.1Fish ConsumptionAquatic LifeAquatic LifeAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityPolychlorinated biphenylsOil and GreaseTotal Suspended Solids (TSS)Phosphorus (Total)Phosphorus (Total)Phosphorus (Total)Cause UnknownPhosphorus (Total)Total Suspended Solids (TSS)RENWICK LAKE EASTHERRICKHIDDENHIDDENRICE (DuPAGE)Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL WGIIL WGMIL WGZRIL WGZRIL WGZWIL G-03IL G-03IL G-03IL G-03IL orus (Total)Phosphorus (Total)Total Suspended Solids (TSS)Cause UnknownChloridepHPhosphorus (Total)MercuryPolychlorinated es Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL G-03IL G-11IL G-11IL G-11IL G-11IL G-11IL G-11IL G-11IL 0712000407071200040707120004070712000407Des Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverDes Plaines RiverIL G-11IL G-23IL G-23IL G-23IL G-39IL G-39IL G-39IL G-39IL G-39IL G-39IL G-39IL G-39IL G-39IL G-39IL 11.2511.2511.2511.2511.25Des Plaines RiverFiddyment CreekFiddyment CreekChicago Sanitary AndShip CanalChicago Sanitary AndShip CanalChicago Sanitary AndShip CanalChicago Sanitary AndShip CanalIL G-39IL GHCIL GHC11.255.375.37Fish ConsumptionAesthetic QualityAesthetic QualityAesthetic QualityAesthetic QualityAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationFish ConsumptionFish ConsumptionIndigenous Aquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeAquatic LifeFish ConsumptionFish ConsumptionPrimary ContactRecreationAquatic LifeAquatic LifeIL GI-0213.53Fish ConsumptionMercuryIL GI-0213.53Fish ConsumptionPolychlorinated biphenylsIL GI-0213.53Indigenous Aquatic LifeOxygen, DissolvedIL GI-0213.53Indigenous Aquatic LifepH8Fecal ColiformAldrinArsenicChlorideMethoxychlorOxygen, DissolvedPhosphorus (Total)MercuryPolychlorinated biphenylsFecal ColiformMercuryPolychlorinated biphenylsOxygen, DissolvedAldrinArsenicChlorideChromium (total)LindaneMethoxychlorOxygen, DissolvedpHPhosphorus (Total)MercuryPolychlorinated biphenylsFecal ColiformPhosphorus (Total)Sedimentation/S
Appendix A-1. Illinois' 2018 303(d) List and Prioritization Order Priority Hydrologic Unit Code Water Name Assessment ID Water Size* Designated Use Cause 1 High 0714020409 Kaskaskia River IL_O-03 15.18 Aquatic Life Sedimentation/Siltation 2 High 0714020409 Kaskaskia River IL_O-03 15.18 Fish Consumption Mercury
