Dupage County, Illinois

32 active water systems in this county.

Water System	Population Served	Source	Violations	Health-Based
York Township Water System	1,423	Surface Water Purchased	11	1
Westmont	24,161	Surface Water Purchased	3	1
Warrenville	12,350	Groundwater	175	0
Willowbrook	9,000	Surface Water Purchased	21	0
Roselle	22,897	Surface Water Purchased	13	0
Burr Ridge	11,192	Surface Water Purchased	12	0
Addison	38,017	Surface Water Purchased	10	0
Oak Brook	9,400	Surface Water Purchased	9	0
Carol Stream	39,854	Surface Water Purchased	8	0
Bensenville	18,537	Surface Water Purchased	8	0
Downers Grove	49,425	Surface Water Purchased	6	0
Glendale Heights	33,176	Surface Water Purchased	6	0
Naperville	156,406	Surface Water Purchased	5	0
Itasca	9,506	Surface Water Purchased	5	0
Wheaton	53,970	Surface Water Purchased	4	0
Lisle	24,233	Surface Water Purchased	4	0
Hinsdale	17,900	Surface Water Purchased	4	0
Clarendon Hills	8,702	Surface Water Purchased	4	0
Woodridge	33,566	Surface Water Purchased	3	0
Glen Ellyn	28,850	Surface Water Purchased	3	0
West Chicago	25,166	Groundwater	2	0
Bloomingdale	22,018	Surface Water Purchased	2	0
Darien	21,751	Surface Water Purchased	2	0
Wood Dale	14,012	Surface Water Purchased	2	0
Winfield	9,835	Surface Water Purchased	2	0
Oakbrook Terrace	1,440	Surface Water Purchased	2	0
Elmhurst	45,000	Surface Water Purchased	1	0
Lombard	44,476	Surface Water Purchased	1	0
Villa Park	22,263	Surface Water Purchased	1	0
Aqua Illinois-oak Brook	5,361	Surface Water Purchased	1	0
Il American-lombard Heights	679	Surface Water Purchased	0	0
Il American-liberty Ridge East	320	Surface Water Purchased	0	0