Browse Water Systems

22,144 public water systems in WI.

Public Water Systems Database

Browse 22,144 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
MILTON WATERWORKS WI1540130 Wisconsin Community 5,588
BERLIN WATERWORKS WI4240216 Wisconsin Community 5,524
EDGERTON WATERWORKS WI1540119 Wisconsin Community 5,512
HARRISON UTILITIES - FKA WAVERLY SD WI4080076 Wisconsin Community 5,500
NORTH FOND DU LAC WATERWORKS WI4200405 Wisconsin Community 5,414
LAWRENCE WATERWORKS WI4051625 Wisconsin Community 5,398
SAND PILLOW 055295011 Wisconsin Community 5,230
RICHLAND CENTER WATERWORKS WI1530068 Wisconsin Community 5,100
EAST TROY WATERWORKS WI2650123 Wisconsin Community 5,054
WEST SALEM WATERWORKS WI6320334 Wisconsin Community 5,045
ALLIS CHALMERS CORPORATION WI2410893 Wisconsin Transient Non-Community 5,000
STURTEVANT WATERWORKS WI2520195 Wisconsin Community 4,970
SHAWANO LK SAN DIST 1 WI4590457 Wisconsin Community 4,950
UNION GROVE WATERWORKS WI2520200 Wisconsin Community 4,900
SUAMICO WATERWORKS WI4051031 Wisconsin Community 4,697
WINDSOR WATER UTILITY SOUTH WI1130267 Wisconsin Community 4,607
SHEBOYGAN TN WATERWORKS WI4600403 Wisconsin Community 4,596
DODGEVILLE WATERWORKS WI1250079 Wisconsin Community 4,583
OCONTO WATERWORKS WI4430495 Wisconsin Community 4,583
CAMPBELL, TOWN OF WI6321109 Wisconsin Community 4,570
MAUSTON WATERWORKS WI7290129 Wisconsin Community 4,456
BALDWIN WATERWORKS WI6560119 Wisconsin Community 4,440
ONEIDA #1 OR SITE #1 055295703 Wisconsin Community 4,393
KEWASKUM WATERWORKS WI2670112 Wisconsin Community 4,309
SAUKVILLE WATERWORKS WI2460134 Wisconsin Community 4,268
PRESCOTT WATERWORKS WI6480243 Wisconsin Community 4,258
CHILTON WATERWORKS WI4080222 Wisconsin Community 4,191
CROSS PLAINS WATERWORKS WI1130219 Wisconsin Community 4,100
BLOOMFIELD, VILLAGE OF WI2651469 Wisconsin Community 4,071
PULASKI WATERWORKS WI4050355 Wisconsin Community 4,040
KESHENA 055295508 Wisconsin Community 3,960
ALGOMA TN SANITARY DIST 1 WI4711611 Wisconsin Community 3,935
KIEL WATERWORKS WI4360427 Wisconsin Community 3,932
CABELAS - RICHFIELD WI2671753 Wisconsin Non-Transient Non-Community 3,931
LANCASTER WATERWORKS WI1220107 Wisconsin Community 3,907
YORKVILLE UTILITY DIST 1 WI2521735 Wisconsin Non-Transient Non-Community 3,900
MARSHALL WATERWORKS WI1130237 Wisconsin Community 3,862
OSCAR MAYER/KRAFT FOODS WI1132852 Wisconsin Non-Transient Non-Community 3,750
WAUPUN CORRECTIONAL INST WI1140142 Wisconsin Community 3,706
HORICON WATERWORKS WI1140146 Wisconsin Community 3,682
BLOOMER WATERWORKS WI6090448 Wisconsin Community 3,680
HOBART WATERWORKS S A 1 WI4051698 Wisconsin Community 3,670
NORTH HUDSON WATERWORKS WI6560133 Wisconsin Community 3,626
COMBINED LOCKS WATERWORKS WI4450409 Wisconsin Community 3,609
BLACK RIVER FALLS WATERWORKS WI6270244 Wisconsin Community 3,608
SEYMOUR WATERWORKS WI4450337 Wisconsin Community 3,601
TOMMY BARTLETT 5 NEW RESTROOMS WI1570735 Wisconsin Transient Non-Community 3,530
WATERLOO WATERWORKS WI1280115 Wisconsin Community 3,520
SAUK CITY WATERWORKS WI1570105 Wisconsin Community 3,518
KESHENA 055295502 Wisconsin Community 3,500