DuPage County, Illinois

Water Systems

207

Population Served

861,775

Total Violations

15,779

PFAS Detected

of 32 tested

Water Systems

System Name	Population	Violations	PFAS
NAPERVILLE	156,406	5	Clean
WHEATON	53,970	11	Clean
DOWNERS GROVE	49,425	36	Clean
ELMHURST	45,000	47	Detected
LOMBARD	44,476	13	Clean
CAROL STREAM	39,854	23	Detected
ADDISON	38,017	19	Clean
WOODRIDGE	33,566	28	Clean
GLENDALE HEIGHTS	33,176	24	Clean
GLEN ELLYN	28,850	18	Clean
WEST CHICAGO	25,166	148	Detected
LISLE	24,233	23	Clean
WESTMONT	24,161	37	Clean
ROSELLE	22,897	42	Clean
VILLA PARK	22,263	41	Clean
BLOOMINGDALE	22,018	79	Clean
DARIEN	21,751	15	Clean
BENSENVILLE	18,537	59	Clean
HINSDALE	17,900	11	Clean
WOOD DALE	14,012	12	Clean
WARRENVILLE	12,350	201	Detected
BURR RIDGE	11,192	20	Clean
WINFIELD	9,835	43	Clean
ITASCA	9,506	36	Detected
OAK BROOK	9,400	54	Clean
WILLOWBROOK	9,000	33	Clean
CLARENDON HILLS	8,702	14	Clean
SOUTHEAST REGIONAL WATER FACILITY	6,940	2	Clean
IL AMERICAN-VALLEY VIEW	6,721	3	Detected
IL AMERICAN-DUPAGE UTILITY	6,613	15	—
AQUA ILLINOIS-OAK BROOK	5,361	1	—
IL AMERICAN-LIBERTY RIDGE WEST	3,307	12	Clean
GLEN ELLYN HEIGHTS SUBDIVISION	1,931	15	—
STEEPLE RUN SBDV	1,931	10	—
IL AMERICAN-ARROWHEAD	1,581	6	—
OAKBROOK TERRACE	1,440	4	—
YORK TOWNSHIP WATER SYSTEM	1,423	172	—
IL AMERICAN-COUNTRY CLUB	1,014	1	Clean
LIBERTY PARK HOMEOWNERS ASSOCIATION	950	32	—
PRAIRIE PATH WATER COMPANY-CLARENDON	850	27	Detected
COMMUNITY FELLOWSHIP CHURCH	800	1	—
NORTH REGIONAL WATER FAC	770	153	—
IL AMERICAN-LOMBARD HEIGHTS	679	1	—
WAYNE SCHOOL	625	107	—
INDIAN KNOLL SCHOOL DIST 33	600	292	—
MARIANJOY REHAB HOSPITAL	500	156	—
HOBSON VALLEY WATER SYSTEM	400	2	—
IL AMERICAN-LIBERTY RIDGE EAST	320	9	—
LIVING HOPE BIBLE CHURCH	300	0	—
BLACKWELL YOUTH CAMP WELL DW-002	300	0	—