Water quality by city
Water quality in Illinois
EPA drinking-water records for 837 public water systems across 602 Illinois cities — the contaminants found and the certified filters that remove them. Pick your city for its full report.
Know your ZIP? Go straight to your water report.
Check by ZIP → Godfrey ·PFAS 21 systems Chicago 9 systems Glenview ·PFAS 9 systems Joliet ·PFAS 7 systems Peru 7 systems Geneseo ·PFAS 6 systems Aviston 5 systems Bloomington ·PFAS 5 systems Lemont 5 systems Ottawa 5 systems Rockford ·PFAS 5 systems Carbondale 4 systems Clinton 4 systems Dieterich ·PFAS 4 systems Edwardsville ·PFAS 4 systems Ingleside ·PFAS 4 systems Marion ·PFAS 4 systems Princeton 4 systems St. Charles ·PFAS 4 systems Barrington 3 systems Benton 3 systems Carlinville 3 systems Charleston ·PFAS 3 systems Crest Hill ·PFAS 3 systems Downs 3 systems East Peoria ·PFAS 3 systems Elburn 3 systems Fairfield 3 systems Freeport ·PFAS 3 systems Macomb 3 systems Metropolis 3 systems Monmouth ·PFAS 3 systems Morris 3 systems Naperville 3 systems New Lenox 3 systems Normal 3 systems Northbrook 3 systems Oak Brook 3 systems Rantoul 3 systems Rochelle 3 systems Skokie 3 systems Vernon Hills 3 systems West Chicago 3 systems Westville 3 systems Wheaton 3 systems Winchester 3 systems Woodridge 3 systems Anna 2 systems Antioch 2 systems Aurora ·PFAS 2 systems Beach Park 2 systems Belleville 2 systems Brownstown 2 systems Burbank 2 systems Burlington 2 systems Burr Ridge 2 systems Cahokia 2 systems Centralia 2 systems Channahon ·PFAS 2 systems Chenoa 2 systems Cherry Valley 2 systems Coal City 2 systems Collinsville ·PFAS 2 systems Crete 2 systems Crystal Lake ·PFAS 2 systems Darien 2 systems Decatur 2 systems Dekalb 2 systems Dixon 2 systems Effingham ·PFAS 2 systems Eldorado 2 systems Elgin ·PFAS 2 systems Elmhurst ·PFAS 2 systems Franklin Park 2 systems Freeburg ·PFAS 2 systems Galesburg ·PFAS 2 systems Geneva 2 systems Gillespie 2 systems Glen Ellyn 2 systems Granite City ·PFAS 2 systems Harrisburg 2 systems Highland ·PFAS 2 systems Homer Twp 2 systems Hurst 2 systems Jacksonville ·PFAS 2 systems Kingston 2 systems Lake Forest 2 systems Lawrenceville 2 systems Lexington 2 systems Libertyville ·PFAS 2 systems Lincolnshire 2 systems Mahomet 2 systems Manhattan 2 systems Manteno 2 systems Marengo ·PFAS 2 systems Marshall 2 systems Mchenry ·PFAS 2 systems Mcleansboro ·PFAS 2 systems Melrose Park 2 systems Metamora 2 systems Modesto 2 systems Moline ·PFAS 2 systems Morrison 2 systems Mundelein 2 systems Murphysboro ·PFAS 2 systems Nashville ·PFAS 2 systems Palmyra 2 systems Park City 2 systems Peoria ·PFAS 2 systems Pittsfield 2 systems Plainfield 2 systems Quincy ·PFAS 2 systems Robinson ·PFAS 2 systems Rock Island ·PFAS 2 systems Rockton ·PFAS 2 systems Roodhouse 2 systems Roscoe 2 systems Round Lake Beach 2 systems Schaumburg 2 systems Silvis 2 systems Spring Grove 2 systems Springfield ·PFAS 2 systems Swansea ·PFAS 2 systems Taylorville 2 systems Trenton 2 systems Washington 2 systems Westmont 2 systems Winnetka 2 systems Yorkville 2 systems Addison 1 system Albany 1 system Aledo 1 system Alexander ·PFAS 1 system Algonquin 1 system Alma 1 system Alpha 1 system Alsip 1 system Altamont 1 system Alton ·PFAS 1 system Alvin 1 system Annapolis 1 system Annawan 1 system Arcola 1 system Arlington Heights 1 system Arthur 1 system Ashkum 1 system Assumption 1 system Athens 1 system Atlanta 1 system Auburn 1 system Bardolph 1 system Barington 1 system Bartlett 1 system Batavia 1 system Bath 1 system Beardstown 1 system Beaverville 1 system Beecher 1 system Beecher City 1 system Bellwood 1 system Belvidere ·PFAS 1 system Bement 1 system Benld 1 system Bensenville 1 system Benson 1 system Berkeley 1 system Berwyn 1 system Bethalto ·PFAS 1 system Biggsville 1 system Bloomingdale 1 system Blue Island 1 system Bowen 1 system Braceville 1 system Bradley 1 system Braidwood 1 system Breese 1 system Bridgeview 1 system Brighton ·PFAS 1 system Bristol 1 system Broadview 1 system Brocton 1 system Brookfield 1 system Brookport 1 system Browning 1 system Brussels 1 system Buffalo Grove 1 system Buncombe 1 system Burnham 1 system Butler 1 system Byron 1 system Cabery 1 system Cahokia Heights ·PFAS 1 system Calumet City ·PFAS 1 system Calumet Park 1 system Camargo 1 system Cambridge 1 system Camp Point 1 system Canton ·PFAS 1 system Carbon Cliff 1 system Carlyle 1 system Carmi 1 system Carol Stream ·PFAS 1 system Carpentersville 1 system Carrollton 1 system Carterville ·PFAS 1 system Carthage 1 system Cary 1 system Casey 1 system Caseyville ·PFAS 1 system Cedaredge 1 system Chadwick 1 system Champaign 1 system Chandlerville 1 system Chapin 1 system Chatham 1 system Chester ·PFAS 1 system Chesterfield 1 system Chicago Heights 1 system Chicago Ridge 1 system Chillicothe ·PFAS 1 system Chrisman 1 system Cicero 1 system Clarendon Hills 1 system Clayton 1 system Coal Valley 1 system Colona 1 system Colp 1 system Columbia ·PFAS 1 system Compton 1 system Cordova 1 system Cortland 1 system Country Club Hills 1 system Countryside 1 system Creal Springs 1 system Crestwood 1 system Creve Coeur 1 system Cuba ·PFAS 1 system Cutler 1 system Damiansville 1 system Danforth 1 system Danvers 1 system Deerfield 1 system Deland 1 system Des Plaines 1 system Dixmoor ·PFAS 1 system Dolton 1 system Donnellson 1 system Donovan 1 system Dorchester 1 system Downers Grove 1 system Dundas 1 system Dupo ·PFAS 1 system Duquoin ·PFAS 1 system Durand 1 system Dwight 1 system Eagarville 1 system East Alton ·PFAS 1 system East Lynn 1 system East Moline ·PFAS 1 system Easton 1 system Edinburg 1 system Elk Grove Village 1 system Elkhart 1 system Elkville 1 system Elliott 1 system Elmwood Park 1 system Emington 1 system Erie 1 system Eureka 1 system Evanston 1 system Evansville 1 system Evergreen Park 1 system Fairbury 1 system Fillmore 1 system Findlay 1 system Fithian 1 system Flora 1 system Flossmoor 1 system Forest Park 1 system Forsyth 1 system Fox River Grove ·PFAS 1 system Frankfort 1 system Franklin 1 system Freeman Spur 1 system Fulton ·PFAS 1 system Galena 1 system Genoa ·PFAS 1 system Georgetown 1 system German Valley 1 system Gibson City 1 system Gilberts 1 system Glasford 1 system Glen Carbon ·PFAS 1 system Glencoe 1 system Glendale Heights 1 system Glenwood 1 system Godley 1 system Golconda 1 system Goodfield 1 system Grand Chain 1 system Grand Ridge 1 system Graymont 1 system Grayslake 1 system Great Lakes 1 system Green Oaks 1 system Green Valley 1 system Greenfield 1 system Greenville 1 system Gridley 1 system Gurnee 1 system Hamilton 1 system Hampshire 1 system Hampton 1 system Hanover 1 system Hanover Park 1 system Hardin 1 system Hardwood Heights 1 system Harmon 1 system Harvard 1 system Harvey 1 system Hawthorn Woods 1 system Hazel Crest 1 system Hecker 1 system Henderson 1 system Henry 1 system Herrick 1 system Herrin ·PFAS 1 system Hettick 1 system Hickory Hills 1 system Highland Park 1 system Highwood 1 system Hillsboro 1 system Hillside 1 system Hinckley 1 system Hinsdale 1 system Hoffman Estates 1 system Hometown 1 system Homewood ·PFAS 1 system Hoopeston 1 system Hopewell 1 system Huntley 1 system Illiopolis 1 system Industry 1 system Island Lake 1 system Itasca ·PFAS 1 system Jerseyville ·PFAS 1 system Johnston City ·PFAS 1 system Jonesboro 1 system Justice 1 system Kempton 1 system Kewanee 1 system Kincaid 1 system La Grange 1 system La Harpe 1 system La Prairie 1 system La Salle ·PFAS 1 system Lafayette 1 system Lafox 1 system Lagrange 1 system Lagrange Park 1 system Lake Bluff 1 system Lake In The Hills 1 system Lake Villa 1 system Lake Zurich ·PFAS 1 system Lakewood 1 system Lansing 1 system Lebanon 1 system Lee 1 system Leroy 1 system Lincoln 1 system Lincolonwood 1 system Lindenhurst 1 system Lindenwood 1 system Lisle 1 system Litchfield 1 system Littleton 1 system Lockport ·PFAS 1 system Lombard 1 system Long Grove 1 system Longview 1 system Loraine 1 system Lostant 1 system Louisville 1 system Loves Park 1 system Lynwood 1 system Lyons 1 system Machesney Park ·PFAS 1 system Mackinaw 1 system Maeystown 1 system Makanda 1 system Manito 1 system Maple Park 1 system Mapleton 1 system Mark 1 system Markham ·PFAS 1 system Maryville 1 system Mascoutah 1 system Matteson 1 system Mattoon ·PFAS 1 system Maywood 1 system Mendota 1 system Midlothian 1 system Milan 1 system Mineral 1 system Minooka ·PFAS 1 system Mokena 1 system Momence 1 system Monee 1 system Monroe Center 1 system Montgomery 1 system Monticello 1 system Moro ·PFAS 1 system Morton 1 system Morton Grove 1 system Mount Erie 1 system Mount Prospect 1 system Mount Vernon ·PFAS 1 system Mount Zion ·PFAS 1 system Moweaqua 1 system Mt Carmel ·PFAS 1 system Mt Vernon ·PFAS 1 system Mt. Auburn 1 system Mt. Olive 1 system Mulberry Grove 1 system Nebo 1 system Neoga 1 system Neponset 1 system New Athens 1 system New Baden ·PFAS 1 system New Berlin 1 system New Burnside 1 system New Douglas 1 system New Memphis 1 system New Windsor 1 system Niles 1 system Noble 1 system Norridge 1 system North Aurora 1 system North Chicago 1 system North Lake 1 system North Riverside 1 system Northfield 1 system Norwood Park Township 1 system O'Fallon ·PFAS 1 system Oak Forest ·PFAS 1 system Oak Lawn 1 system Oak Park 1 system Oglesby 1 system Okawville 1 system Olney 1 system Olympia Fields 1 system Omaha 1 system Oregon 1 system Orion 1 system Orland Park 1 system Oswego 1 system Palatine 1 system Palos Heights 1 system Palos Hills 1 system Palos Park 1 system Pana ·PFAS 1 system Paris 1 system Park Forest 1 system Park Ridge 1 system Paxton 1 system Penfield 1 system Peoria Heights ·PFAS 1 system Petersburg 1 system Pierron 1 system Pinckneyville 1 system Pingree Grove 1 system Pittsburg ·PFAS 1 system Plano 1 system Pocahontas ·PFAS 1 system Port Byron 1 system Posen 1 system Potomac 1 system Prairie Du Rocher 1 system Prophetstown 1 system Prospect Heights 1 system Pulaski 1 system Ramsey 1 system Rankin 1 system Red Bud 1 system Reddick 1 system Richton Park 1 system Ridge Farm 1 system River Forest 1 system River Grove 1 system Riverdale 1 system Riverside 1 system Riverton 1 system Robbins 1 system Rochester 1 system Rock Falls ·PFAS 1 system Rolling Meadows 1 system Romeoville ·PFAS 1 system Roselle 1 system Rosemont 1 system Roseville 1 system Round Lake 1 system Rushville 1 system Salem 1 system Sandwich 1 system Sauk Village 1 system Savanna 1 system Sawyerville 1 system Schiller Park 1 system Scott Air Force Base ·PFAS 1 system Secor 1 system Serena 1 system Seward 1 system Seymour 1 system Shannon 1 system Shelbyville 1 system Shiloh 1 system Shorewood ·PFAS 1 system Sibley 1 system Sidney 1 system Sims 1 system Smithton 1 system South Barrington 1 system South Chicago Heights 1 system South Elgin ·PFAS 1 system South Holland ·PFAS 1 system South Jacksonville ·PFAS 1 system Sparta 1 system Spring Valley 1 system Springerton 1 system St Rose 1 system St. Jacob 1 system Stanford 1 system Staunton ·PFAS 1 system Steeleville 1 system Sterling 1 system Steward 1 system Stickney 1 system Stockton 1 system Strawn 1 system Streamwood 1 system Sublette 1 system Sugar Grove ·PFAS 1 system Sullivan 1 system Summit ·PFAS 1 system Sycamore 1 system Table Grove 1 system Tampico 1 system Thomasboro 1 system Tilden 1 system Tinley Park 1 system Tiskilwa 1 system Toulon 1 system Troy ·PFAS 1 system Tuscola 1 system Ursa 1 system Utica 1 system Valmeyer 1 system Vandalia 1 system Varna 1 system Vermont 1 system Vienna 1 system Villa Park 1 system Volo 1 system Waggoner 1 system Warrensburg 1 system Warrenville 1 system Wasco 1 system Wataga 1 system Waterloo ·PFAS 1 system Watseka 1 system Wauconda 1 system Waukegan 1 system Wayne City 1 system Waynesville 1 system Wedron 1 system Wenona 1 system West Dundee 1 system West Frankfort 1 system Westchester 1 system Western Springs 1 system Westfield 1 system Wheeling 1 system White Hall 1 system Williamsfield 1 system Williamsville 1 system Willowbrook 1 system Wilmette 1 system Wilmington ·PFAS 1 system Wilsonville 1 system Windsor 1 system Winfield 1 system Winthrop Harbor 1 system Wolf Lake 1 system Wonder Lake 1 system Wood Dale 1 system Wood River ·PFAS 1 system Woodland 1 system Woodlawn ·PFAS 1 system Woodstock 1 system Worth 1 system Wyanet 1 system Zion 1 system