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Illinois Tap Water Quality
EPA water quality data for 0 community water systems serving residents in Illinois. Click any system to see violations, lead testing results, and a safety grade.
Cities in Illinois
ChicagoAuroraJolietNapervilleRockfordSpringfieldElginPeoriaWaukeganChampaignCiceroBloomingtonSchaumburgEvanstonArlington HeightsBolingbrookDecaturPalatineSkokieDes PlainesOrland ParkOak LawnBerwynMount ProspectTinley ParkOak ParkWheatonNormalHoffman EstatesDowners GroveGlenviewElmhurstPlainfieldLombardBuffalo GroveMolineBellevilleBartlettDeKalbCrystal LakeRomeovilleCarol StreamStreamwoodQuincyPark RidgeWheelingUrbanaCarpentersvilleRock IslandHanover ParkCalumet CityAddisonNorthbrookOswegoWoodridgeGlendale HeightsSt. CharlesElk Grove VillageO'FallonPekinMundeleinNorth ChicagoNilesGurneeHighland ParkGalesburgAlgonquinBurbankDanvilleLake in the HillsLansingGlen EllynWilmetteHuntleyMcHenryChicago HeightsNew LenoxRound Lake BeachOak ForestGranite CityVernon HillsEdwardsvilleBataviaLockportWoodstockAltonWest ChicagoBelvidereMelrose ParkMorton GroveKankakeeZionHomer GlenCollinsvilleElmwood ParkWestmontRolling MeadowsFreeportSouth ElginLisleMaywoodLoves ParkBlue IslandRoselleMachesney ParkVilla ParkEast PeoriaBloomingdaleCarbondaleDarienGenevaSouth HollandDoltonYorkvillePark ForestEast MolineGrayslakeMontgomeryLibertyvilleFrankfortHarveyCrest HillMokenaHomewoodLake ZurichEvergreen ParkLake ForestBrookfieldDeerfieldMattesonAlsipEast St. LouisOttawaRound LakeBensenvilleBellwoodFranklin ParkPalos HillsSycamoreBourbonnaisShorewoodCaryCharlestonGodfreyCahokia HeightsNorth AuroraJacksonvilleLemontHinsdaleBridgeviewMarionMattoonWestchesterMortonCountry Club HillsFairview HeightsLa GrangeWashingtonProspect HeightsDixonBradleyNorridgeMacombHickory HillsSwanseaSterlingMount VernonAntiochMorrisChathamLindenhurstChicago RidgeMidlothianForest ParkWaucondaBeach ParkWarrenvilleWood DaleShilohChannahonHazel CrestGlen CarbonWestern SpringsCantonLincolnLa Grange ParkLincolnwoodRichton ParkNorthlakeWinnetkaMinookaRantoulJusticeHerrinStreatorEffinghamKewaneeCentraliaPalos HeightsSchiller ParkMarkhamRiver ForestPontiacTaylorvilleBarringtonRoscoeBurr RidgePlanoColumbiaSummitWaterlooTroyGages LakeWorthFox LakeCrestwoodLyonsCampton HillsRiver GroveRiverdaleWood RiverHighlandPingree Grove