Illinois utilities 201 to 300.

Each serves 6,629 to 12,182 people, as it reports to EPA. Your ZIP code finds yours faster.

Find a Illinois utility, city or county

201 to 300 of 491, by people served

Illinois utilities, 201 to 300 of 491, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Centralia	Centralia	12,182	None found	0
IL American - Pontiac	Pontiac	11,864	None found	0
Fox Lake	Fox Lake	11,780	PFOS	0
River Forest	River Forest	11,717	None found	0
Schiller Park	Schiller Park	11,709	None found	0
Washington County Water Company	Nashville	11,374	None found	1
Lake of Egypt PWD	Marion	11,368	None found	2
Robinson - Palestine Water Commission	Robinson	11,331	PFOS, PFHxS	0
Sugar Grove	Sugar Grove	11,243	PFHxS	0
Burr Ridge	Burr Ridge	11,192	None found	0
IL American - Chicago Suburban	Godfrey	11,187	None found	0
Summit	Summit	11,161	None found	0
Columbia	Columbia	11,129	PFBS	0
Worth	Worth	10,970	None found	0
Crestwood	Crestwood	10,826	None found	0
Highland	Highland	10,674	None found	0
Wood River	Wood River	10,464	PFOS	0
Pingree Grove	Hampshire	10,365	None found	1
Manhattan	Manhattan	10,340	None found	0
Barrington	Barrington	10,327	None found	0
Lyons	Lyons	10,304	None found	0
Peru	Peru	10,300	None found	1
River Grove	River Grove	10,282	None found	0
Riverdale	Riverdale	10,266	None found	0
Murphysboro	Murphysboro	10,241	None found	1
Waterloo	Waterloo	10,190	None found	0
Maryville	Maryville	10,150	None found	0
Leyden Twsp Water District	Franklin Park	10,000	None found	0
Sauk	Sauk	9,921	None found	0
Winfield	Winfield	9,835	None found	0
La Salle	La Salle	9,700	PFBS	6
Steger	Steger	9,700	None found	1
Clark - Edgar RWD	Marshall	9,657	None found	0
Itasca	Itasca	9,506	None found	0
Harvard	Harvard	9,469	None found	0
Rochelle	Rochelle	9,446	None found	8
Oak Brook	Oak Brook	9,400	None found	0
Flossmoor	Flossmoor	9,371	None found	0
Riverside	Riverside	9,298	None found	0
Lynwood	Lynwood	9,149	None found	0
Paris	Paris	9,100	None found	0
Harwood Heights	Harwood Heights	9,065	None found	0
Willowbrook	Willowbrook	9,000	None found	0
Glenwood	Glenwood	8,956	None found	0
Monmouth	Monmouth	8,902	None found	1
Clear Water Service Corp		8,900	None found	0
Olney	Olney	8,877	None found	0
Glencoe	Forest Park	8,849	None found	0
Lake Villa	Lake Villa	8,829	None found	0
Mascoutah	Mascoutah	8,759	None found	0
Beach Park	Beach Park	8,710	None found	0
Clarendon Hills	Clarendon Hills	8,702	None found	0
West Frankfort	West Frankfort	8,650	None found	0
Rock Falls	Rock Falls	8,620	None found	0
Harrisburg	Harrisburg	8,524	None found	1
Calumet Park	Calumet Park	8,442	None found	0
IL American - Jerseyville	Jerseyville	8,412	None found	0
Chester	Chester	8,407	PFBS	0
Gilberts	Gilberts	8,366	None found	0
Greenville	Greenville	8,310	None found	0
Prairie Path Water Co - Whispering Hills		8,300	PFOA, PFHxS, PFBS	1
Crete	Crete	8,275	None found	0
Hillside	Hillside	8,200	None found	0
Benton	Benton	8,104	None found	1
Island Lake	Island Lake	8,066	None found	0
Mill Creek Water Reclamation District	Geneva	8,000	None found	0
Western Illinois University	Macomb	8,000	None found	0
Fosterburg PWD	Alton	7,940	None found	0
Lincolnshire	Lincolnshire	7,940	None found	0
Salem	Salem	7,905	None found	0
IL American - South Beloit	South Beloit	7,893	PFBS	0
Long Creek Township PWS	Long Creek	7,850	None found	0
Broadview	Broadview	7,847	None found	0
West Dundee	West Dundee	7,845	None found	0
Princeton	Princeton	7,832	None found	2
Rock Island Arsenal, US Army	Rock Island	7,800	PFOA	0
Hampshire	Hampshire	7,758	None found	2
Rockton	Rockton	7,685	PFHxS	1
North Tazewell PWD	East Peoria	7,625	None found	13
Vandalia	Vandalia	7,616	None found	1
Marengo	Marengo	7,572	PFBS	0
Silvis	Silvis	7,473	None found	1
Clinton	Clinton	7,200	None found	0
Duquoin	Du Quoin	7,169	None found	1
Sandwich	Sandwich	7,156	None found	0
Mendota	Mendota	7,100	None found	3
Raccoon Water Company	Centralia	7,080	None found	0
North Riverside	North Riverside	7,071	None found	0
Mount Carmel	Mount Carmel	7,015	PFOS, PFBS	1
Aqua Illinois - University Park	Pk Forest South	7,002	PFBS	1
Southeast Regional Water Facility	Darien	6,940	None found	0
Stickney	Stickney	6,902	None found	0
Abs Water Coop	Clayton	6,858	None found	0
American Water Oper and Maintenance, LLC	Scott Air Force Base	6,779	None found	0
IL American - Valley View	Godfrey	6,721	PFOA	0
Chillicothe	Chillicothe	6,660	None found	0
Curran - Gardner Township PWD	Springfield	6,651	None found	0
Litchfield	Litchfield	6,648	None found	3
Bond/Madison Water Company	Pocahontas	6,645	None found	0
Volo	Volo	6,629	None found	1

Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.