Official PFAS Records

Illinois PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in Illinois. 121 water systems with qualifying official records.

Source retrieved: May 26, 2026 · EPA UCMR 5

Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology

Illinois PFAS dataset — for journalists & researchers

Full state-level detection data with downloadable CSV, methodology, and citation formats.

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121

Systems with records

631

Total records

631

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Aurora Aurora	IL0894070	PFHxAPFPeAPFBSPFBA	10	10 detected	View
Rockford Rockford	IL2010300	PFHxSPFPeA	3	3 detected	View
Il American-peoria Peoria	IL1435030	PFHxAPFBAPFOSPFPeAPFBS	16	16 detected	View
Il American-east St Louis East St Louis	IL1635040	PFBAPFPeAPFHxA	6	6 detected	View
Springfield Springfield	IL1671200	PFBA	1	1 detected	View
Elgin Elgin	IL0894380	PFPeAPFHxAPFBA	5	5 detected	View
Bloomington Bloomington	IL1130200	PFBA	1	1 detected	View
Romeoville Romeoville	IL1970900	PFPeAPFBAPFHxA	15	15 detected	View
O Fallon O Fallon	IL1631100	PFBA	4	4 detected	View
Il American-alton Alton	IL1195150	PFHxAPFBAPFPeA	8	8 detected	View
Elmhurst Elmhurst	IL0430350	PFBA	1	1 detected	View
Moline Moline	IL1610450	PFBA	4	4 detected	View
Quincy Quincy	IL0010650	PFBAPFBS	5	5 detected	View
Crystal Lake Crystal Lake	IL1110150	PFPeAPFBS	2	2 detected	View
Carol Stream Carol Stream	IL0430200	PFBA	1	1 detected	View
Rock Island Rock Island	IL1610650	PFBA	4	4 detected	View
Calumet City Calumet City	IL0310390	PFHxAPFPeA	2	2 detected	View
North Park Pwd Machesney Park	IL2015500	PFOAPFHxSPFBSPFBAPFPeA+2	22	22 detected	View
St Charles Saint Charles	IL0894830	PFBS	2	2 detected	View
Il American-pekin Pekin	IL1795040	PFBSPFBAPFPeAPFOSPFNA+2	21	21 detected	View
Galesburg Galesburg	IL0950200	PFBSPFOAPFBAPFPeAPFOS	9	9 detected	View
Aqua Illinois-vermilion County Danville	IL1835120	PFBA	1	1 detected	View
Ej Water Cooperative	IL0790010	PFBA	1	1 detected	View
Collinsville Collinsville	IL1194280	PFHxAPFPeAPFBAPFOSPFBS+3	8	8 detected	View
Il American-granite City Granite City	IL1195030	PFBAPFHxAPFPeA	6	6 detected	View
Oak Forest Oak Forest	IL0312190	PFBA	1	1 detected	View
Edwardsville Edwardsville	IL1190250	PFBS	2	2 detected	View
Belvidere Belvidere	IL0070050	PFHxS	2	2 detected	View
Freeport Freeport	IL1770200	PFOS	2	2 detected	View
South Elgin South Elgin	IL0890800	PFBSPFHxAPFPeAPFBAPFOA	18	18 detected	View
Lockport Lockport	IL1970500	PFBSPFHxSPFHxAPFPeA	7	7 detected	View
Mchenry Mchenry	IL1110600	PFBS	1	1 detected	View
East Peoria East Peoria	IL1790200	PFBSPFHxSPFOSPFPeA	10	10 detected	View
South Holland South Holland	IL0312970	PFBA	1	1 detected	View
East Moline East Moline	IL1610250	PFBAPFBS	5	5 detected	View
Crest Hill Crest Hill	IL1970250	PFBSPFBAPFHpAPFPeAPFHxA+2	68	68 detected	View
Libertyville Libertyville	IL0970900	PFBA	1	1 detected	View
Jacksonville Jacksonville	IL1370200	PFBA	4	4 detected	View
Lake Zurich Lake Zurich	IL0970850	PFPeAPFHxA	2	2 detected	View
Mattoon Mattoon	IL0290250	PFBA	1	1 detected	View
Homewood Homewood	IL0311350	PFOA	1	1 detected	View
Il American-streator Streator	IL0995030	PFBAPFBSPFHxAPFPeA	4	4 detected	View
Shorewood Shorewood	IL1975080	PFPeA	1	1 detected	View
Cary Cary	IL1110100	PFHpAPFBA6:2FTSPFPeAPFHxA	5	5 detected	View
Charleston Charleston	IL0290100	PFPeA	1	1 detected	View
Troy Troy	IL1191000	PFBS	1	1 detected	View
Marion Marion	IL1990550	PFBA	2	2 detected	View
Canton Canton	IL0570250	PFPeAPFBAPFHxA	12	12 detected	View
Mount Vernon Mount Vernon	IL0810300	PFBA	4	4 detected	View
Cahokia Heights Cahokia	IL1635000	PFPeAPFBAPFHxA	7	7 detected	View
Bethalto Bethalto	IL1190150	PFBSPFHxS	3	3 detected	View
Il American-lincoln Lincoln	IL1075030	PFBAPFPeAPFOAPFHxAPFHpA	21	21 detected	View
Caseyville Caseyville	IL1630250	PFBA	4	4 detected	View
Channahon Channahon	IL1970200	PFBSPFPeAPFHxAPFOSPFBA+1	11	11 detected	View
Minooka Minooka	IL0630550	PFBS	2	2 detected	View
Jersey Rwc	IL0835300	PFBAPFPeAPFHxA	6	6 detected	View
Herrin Herrin	IL1990400	PFBA	2	2 detected	View
Glen Carbon Glen Carbon	IL1190300	PFBAPFHxAPFPeA	6	6 detected	View
Markham Markham	IL0311770	PFHxA	1	1 detected	View
Il American-pontiac Pontiac	IL1055030	PFPeA	1	1 detected	View
Fox Lake Fox Lake	IL0970200	PFPeAPFOS	2	2 detected	View
Washington County Water Company Nashville	IL1895600	PFBA	13	13 detected	View
Robinson-palestine Water Commission	IL0335030	PFHxSPFOS	2	2 detected	View
Sugar Grove Sugar Grove	IL0890850	PFHxS	1	1 detected	View
Columbia Columbia	IL1330050	PFBAPFBS	5	5 detected	View
Summit Summit	IL0310060	PFBA	1	1 detected	View
Highland Highland	IL1190550	PFBA	3	3 detected	View
Wood River Wood River	IL1191150	PFPeAPFBA	2	2 detected	View
Murphysboro Murphysboro	IL0770500	6:2FTS	1	1 detected	View
Waterloo Waterloo	IL1330300	PFPeAPFBA	4	4 detected	View
La Salle La Salle	IL0990300	PFBAPFBS	3	3 detected	View
Itasca Itasca	IL0430500	PFPeA	2	2 detected	View
Rock Falls Rock Falls	IL1950450	PFBA	1	1 detected	View
Chester Chester	IL1570100	PFBAPFBSPFPeA	6	6 detected	View
Prairie Path Water Co-whispering Hills	IL1115700	PFBAPFPeAPFHxAPFHxSPFOA+2	12	12 detected	View
Fosterburg Pwd	IL1195220	PFPeAPFBA	4	4 detected	View
Il American-south Beloit South Beloit	IL2010450	PFBS	1	1 detected	View
Rock Island Arsenal, Us Army	IL1615387	PFOAPFBA	5	5 detected	View
Rockton Rockton	IL2010350	PFHxS	3	3 detected	View
Marengo Marengo	IL1110650	PFBS	2	2 detected	View
Duquoin Du Quoin	IL1450100	PFBA	2	2 detected	View
Mount Carmel Mount Carmel	IL1850200	PFOSPFBS	3	3 detected	View
Aqua Illinois-university Park Pk Forest South	IL1975030	PFBSPFHxA	2	2 detected	View
American Water Oper and Maintenance, Llc	IL1635237	PFPeAPFBA	6	6 detected	View
Il American-valley View	IL0437350	PFOA	1	1 detected	View
Bond/madison Water Company	IL0050020	PFPeAPFBAPFHxA	7	7 detected	View
Geneseo Geneseo	IL0730500	PFBA	2	2 detected	View
Carterville Carterville	IL1990150	PFBA	1	1 detected	View
Chillicothe Chillicothe	IL1430200	PFHxAPFPeA6:2FTS	4	4 detected	View
Peoria Heights Peoria Heights	IL1434750	PFPeAPFHxAPFBSPFHxSPFPeS	5	5 detected	View
Mount Zion Mount Zion	IL1150350	PFPeA	1	1 detected	View
Pana Pana	IL0210500	PFBA	1	1 detected	View
East Alton East Alton	IL1190200	PFBSPFHpAPFHxSPFOSPFOA+3	14	14 detected	View
Staunton Staunton	IL1171050	PFBA	2	2 detected	View
Wilmington Wilmington	IL1971100	PFPeAPFBSPFHxAPFBA	4	4 detected	View
Northeast Mount Vernon Water Company	IL0810010	PFBA	2	2 detected	View
Genoa Genoa	IL0370150	PFPeAPFHxA	3	3 detected	View
Mitchell Pwd	IL1195210	PFPeAPFHxAPFBAPFBS	10	10 detected	View
Brighton Brighton	IL1174160	PFHxAPFPeAPFBA	9	9 detected	View
Freeburg Freeburg	IL1630600	PFOS	2	2 detected	View
Fox River Grove Fox River Grove	IL1110200	PFBAPFHxSPFPeAPFHxA	5	5 detected	View
Dupo Dupo	IL1630350	PFBSPFOSPFHxS	5	5 detected	View
New Baden New Baden	IL0274700	PFOS	1	1 detected	View
Millstadt Millstadt	IL1630850	PFPeAPFBSPFHxAPFBA	12	12 detected	View
North East Central Pwd	IL1195280	PFOSPFBAPFPeAPFOA	6	6 detected	View
Hamilton County Water District	IL0651000	PFBA	1	1 detected	View
Corinth Pwd	IL1995120	PFBA	2	2 detected	View
Pleasant Valley Pwd	IL1435470	PFHxSPFBSPFBA	6	6 detected	View
Woodlawn Woodlawn	IL0810450	PFBA	1	1 detected	View
Johnston City Johnston City	IL1990500	PFBA	1	1 detected	View
South Jacksonville South Jacksonville	IL1370400	PFBAPFHxAPFPeA	7	7 detected	View
Lake Sara Area Water Co-op, Inc. Effingham	IL0495150	PFBA	1	1 detected	View
Fulton Fulton	IL1950250	PFBA	1	1 detected	View
Pontoon Beach Pwd Pontoon Beach	IL1195300	PFBAPFPeAPFHxA	9	9 detected	View
Abingdon Abingdon	IL0950050	PFPeAPFBAPFBSPFOAPFOS	9	9 detected	View
Dixmoor Dixmoor	IL0310660	PFOAPFOS	2	2 detected	View
Southern Il University-edwardsville	IL1195550	PFPeAPFBS	4	4 detected	View
Crystal Lawns Addition Improvement Assoc Joliet	IL1975480	PFPeA	1	1 detected	View
Willow Lake Estates Mhp Elgin	IL0894400	PFHxAPFPeAPFBA	8	8 detected	View
Wee-ma-tuk Water District	IL0570040	PFBAPFPeAPFHxA	12	12 detected	View
Moro Pwd	IL1195250	PFBSPFPeAPFHxS	5	5 detected	View

Source: EPA UCMR 5 Occurrence Data · Methodology

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