Illinois tap water quality
PFAS results for 487 Illinois water systems from EPA's latest nationwide testing. Enter your address for your own utility's record and a filter recommendation.
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487systems tested
26%had PFAS detected
27over EPA's 4 ppt limit
Highest PFAS levels in Illinois
| Water system | Max PFOA (ppt) | Max PFOS (ppt) |
|---|---|---|
| Collinsville Il | 18 | 8.9 |
| East Alton | 16 | 17 |
| Freeport | — | 14 |
| Galesburg | 14 | 4.2 |
| Crest Hill | 13.7 | — |
| Abingdon | 9.4 | 4.8 |
| New Baden | — | 9.4 |
| Prairie Path Water Co. - Whispering Hills | 8.3 | — |
| Elburn | 7.5 | — |
| North Park Pwd | 6.2 | 7.3 |
All Illinois water systems
- Addison
- Algonquin
- Alsip
- Antioch
- Aqua Illinois-Kankakee
- Aqua Illinois-North Maine Utilities
- Aqua Illinois-Vermilion County
- Arlington Heights
- Aurora
- Barrington
- Bartlett
- Batavia
- Bellwood
- Belvidere
- Bensenville
- Berwyn
- Bethalto
- Bloomingdale
- Bloomington Il
- Blue Island
- Bridgeview
- Brookfield
- Buffalo Grove
- Burr Ridge
- Cahokia Heights
- Calumet City
- Canton Il
- Captain James A Lovell Fhcc
- Carbondale
- Carol Stream
- Carpentersville
- Cary
- Caseyville
- Centralia
- Charleston
- Chatham
- Chicago
- Chicago Heights
- Chicago Ridge
- Cicero
- Collinsville Il ⚠
- Columbia
- Country Club Hills
- Crest Hill ⚠
- Crestwood
- Crystal Lake
- Darien
- De Kalb
- Decatur
- Deerfield
- Des Plaines
- Dixon
- Dolton
- Downers Grove
- E J Water Coop
- East Moline
- East Peoria ⚠
- Edwardsville
- Effingham
- Elgin Il
- Elk Grove Village
- Elmhurst
- Elmwood Park
- Evanston
- Evergreen Park
- Forest Park
- Fox Lake ⚠
- Frankfort
- Franklin Park
- Freeport ⚠
- Galesburg ⚠
- Geneva
- Glen Carbon
- Glen Ellyn
- Glendale Heights
- Glenview
- Grayslake
- Great Lakes Naval Training Station
- Gurnee
- Hanover Park
- Harvey
- Hazel Crest
- Herrin
- Hickory Hills
- Highland
- Highland Park Il
- Hinsdale
- Hoffman Estates
- Homewood ⚠
- Huntley
- IL American - Lincoln ⚠
- Il American-Alton
- Il American-Champaign
- Il American-Chicago Suburban
- Il American-East St Louis
- Il American-Granite City
- Il American-Homer Township
- Il American-Pekin ⚠
- Il American-Peoria ⚠
- Il American-Pontiac
- Il American-Sterling
- Il American-Streator
- Il American-West Suburban
- Jacksonville
- Jersey Rwc
- Jerseyville
- Joliet
- Justice-Willow Springs Water Commission
- Kewanee
- La Grange
- La Grange Park
- Lake Forest
- Lake in the Hills
- Lake of Egypt Pwd
- Lake Zurich
- Lansing
- Lemont
- Leyden Twsp Water District
- Libertyville
- Lincolnwood
- Lindenhurst
- Lisle
- Lockport
- Lombard
- Loves Park
- Lyons Il
- Macomb
- Marion
- Markham
- Matteson
- Mattoon
- Maywood
- Mchenry
- Melrose Park
- Midlothian
- Minooka
- Mokena
- Moline
- Montgomery
- Morris Il
- Morton
- Morton Grove
- Mount Prospect
- Mount Vernon
- Mundelein
- Murphysboro
- Naperville
- New Lenox
- Niles Il
- Normal
- Norridge
- North Aurora
- North Chicago
- North Park Pwd ⚠
- Northbrook
- Northlake
- O Fallon
- Oak Brook
- Oak Forest
- Oak Lawn
- Oak Park Il
- Orland Park
- Oswego
- Ottawa
- Palatine
- Palos Heights
- Palos Hills
- Park Forest
- Park Ridge
- Peru
- Plainfield
- Plano
- Quincy
- Rantoul
- Richton Park
- River Forest
- River Grove
- Riverdale
- Robinson-Palestine Water Commission ⚠
- Rock Island
- Rockford Il
- Rolling Meadows
- Romeoville
- Roselle
- Round Lake
- Round Lake Beach
- Sauk
- Schaumburg
- Schiller Park
- Shorewood Il
- Skokie
- South Elgin ⚠
- South Holland
- South Stickny Sd
- Springfield Il
- St Charles
- Streamwood
- Sugar Grove
- Summit
- Sycamore
- Taylorville
- Tinley Park
- Troy Il
- U of I-Champaign
- Vernon Hills - Lake Co Pw
- Villa Park
- Warrenville
- Washington County Water Company
- Washington Il
- Waterloo
- Wauconda
- Waukegan
- West Chicago
- Westchester
- Western Springs
- Westmont
- Wheaton
- Wheeling
- Wildwood Subdivision - Lake Co Pw
- Wilmette
- Winnetka
- Wood Dale
- Wood River ⚠
- Woodridge
- Woodstock Il
- Worth
- Yorkville
- Zion
- Abingdon ⚠
- Abs Water Coop
- Advocate Christ Medical Center
- Aledo
- Alexander Water District
- Altona
- American Water Oper and Maintenance LLC
- Anna
- Aqua Illinois-Candlewick Dvn
- Aqua Illinois-Peotone
- Aqua Illinois-University Park
- Aqua Illinois-Willowbrook
- Ashkum
- Athens
- Auburn Il
- Beach Park
- Beardstown
- Beecher
- Benton
- Berkeley
- Blandinsville
- Bluffs
- Bond/Madison Water Company
- Bookwalter Woods Mhp
- Braidwood
- Breese
- Brighton
- Broadview
- Buckley
- Buda
- Burnham
- Bushnell
- Byron Il
- Calhoun County Rwd
- Calumet Park
- Carlinville
- Carlyle
- Carmi
- Carrollton Il
- Carterville
- Casey
- Caterpillar Trail Pwd
- Channahon ⚠
- Cherry Valley
- Chester
- Chillicothe
- Clarendon Hills
- Clark-Edgar Rwd
- Clear Water Service Corp
- Clinton
- Coal City
- Coal Valley
- Coal Valley Pwd
- Corinth Pwd
- Cortland
- Countryside
- Crete
- Creve Coeur
- Crystal Lawns Addition Improvement Assoc
- Curran-Gardner Township Pwd
- Dallas Rural Water District
- Dixmoor ⚠
- Dover
- Dupo ⚠
- Duquoin
- Dwight
- East Alton ⚠
- Eastern Illinois University
- Eisenhower Academy
- Elburn ⚠
- Eldorado
- Embarras Area Water District
- Eureka
- Fairbury
- Fairfield
- Fayette Water Company
- Flora
- Flossmoor
- Forsyth Il
- Fort Massac Pwd
- Fosterburg Pwd
- Fountain Water District
- Fox River Grove
- Freeburg ⚠
- Fulton
- Galena
- Geneseo
- Genoa
- Georgetown
- Gibson City
- Gilberts
- Gillespie
- Glencoe
- Glenwood
- Grandwood Park Subdivision - Lake Co Pw
- Greenville
- Hainesville
- Hamilton County Water District
- Hampshire
- Hanover
- Harrisburg
- Harvard
- Harwood Heights
- Havana
- Highwood
- Hillsboro
- Hillside
- Holiday Shores Sd
- Hometown
- Hoopeston
- Il American-Andalusia
- Il American-Country Club
- Il American-Fernway
- Il American-Liberty Ridge West
- Il American-South Beloit
- Il American-Valley View ⚠
- Illinois State University-Normal
- Island Lake
- Itasca
- Johnston City
- Kenilworth
- Kinmundy
- La Grange Highlands Sanitary District
- La Salle
- Lake Bluff
- Lake Sara Area Water Co-Op INC.
- Lake Villa
- Lake Windermere Estates Subdivision
- Lawrenceville
- Lcpw - Pekara Subdivision
- Le Roy
- Lebanon
- Lincolnshire
- Litchfield
- Long Creek Township PWS
- Low Point Water District
- Lutheran General Hospital
- Lynwood
- Mackinaw
- Mahomet
- Manhattan
- Marengo
- Marseilles
- Marshall
- Maryville
- Mascoutah
- Mendon
- Mendota
- Metamora
- Metropolis
- Milan
- Mill Creek Pwd
- Mill Creek Water Reclamation District
- Millstadt
- Millstone Pwd
- Mitchell Pwd
- Monee
- Monmouth
- Monticello
- Moro Pwd
- Morrison
- Mount Carmel ⚠
- Mount Olive
- Mount Zion
- Murdale Pwd
- Nashville
- New Baden ⚠
- North East Central Pwd ⚠
- North East Marion County Water Cmpny
- North Riverside
- North Tazewell Pwd
- Northeast Mount Vernon Water Company
- Northern Illinois University-Dekalb
- Northfield Il
- Northshore Univ Glenbrook
- Northshore University Evanston
- Oglesby
- Olney
- Olympia Fields
- Oregon
- Palos Park
- Pana
- Paris
- Park City
- Paxton
- Peoria Heights
- Petersburg
- Pike County Pwd 1
- Pinckneyville
- Pingree Grove
- Pittsfield
- Pleasant Valley Pwd
- Pontoon Beach Pwd
- Poplar Grove West-Countryside
- Posen
- Prairie Path Water Co. - Clarendon
- Prairie Path Water Co. - Lake Holiday
- Prairie Path Water Co. - Whispering Hills ⚠
- Princeton
- Raccoon Water Company
- Red Bud
- Riverside
- Riverton
- Riverwoods
- Robbins
- Rochelle
- Rochester
- Rock Falls
- Rock Island Arsenal Us Army ⚠
- Rockton
- Rosemont
- Round Lake Park
- Salem
- Saline Valley Conservancy District
- Sandwich
- Sangamon Valley Pwd
- Shady Oaks Mhp
- Shelbyville
- Sherrard Jr/Sr High School
- Silvis
- South Chicago Heights
- South Highway Pwd
- South Jacksonville
- Southeast Regional Water Facility
- Southern Il University-Edwardsville
- Sparta
- Spring Valley
- Staunton
- Steger
- Stickney
- Stone Park
- Sullivan
- Tritownship Water District
- Tuscola
- U of I Chicago Medical Center
- Utl INC-Galena Territory
- Valmeyer
- Vandalia
- Vandalia Correctional Center
- Virden
- Volo
- Wasco Sd
- Watseka
- Wee-Ma-Tuk Water District
- West Dundee
- West Frankfort
- West Liberty-Dundas Water District
- Western Illinois University
- Westville
- Williamsville
- Willow Lake Estates Mhp
- Willowbrook
- Wilmington
- Winfield
- Winthrop Harbor
- Wonder Lake
- Woodhaven Il
- Woodlawn
- Xenia
Questions
Does Illinois tap water have PFAS?
In EPA's UCMR 5 testing, 128 of 487 Illinois water systems (26%) had at least one PFAS compound detected, and 27 had PFOA or PFOS above EPA's 4 ppt limit.
What is the best water filter in Illinois?
It depends on your utility. Where PFAS is above EPA's limit, reverse osmosis is the most effective option. Where the main concern is lead from home plumbing or chlorine taste, a certified carbon filter is enough. Enter your address to get a match.