Public Water Systems
10,988 active water systems in WI.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| GALESVILLE WATERWORKS | GALESVILLE, WI | 1,679 | 38 | — |
| SHOREWOOD HILLS WATERWORKS | MADISON, WI | 1,670 | 34 | — |
| KETTLE MORAINE HIGH SCHOOL & WALES ELEM SCHOOL | WALES, WI | 1,670 | 14 | — |
| HOMESTEAD HIGH SCHOOL | MEQUON, WI | 1,650 | 79 | — |
| STRATFORD WATERWORKS | Stratford, WI | 1,643 | 129 | — |
| CAMBRIDGE WATER & SEWER UTILITY | CAMBRIDGE, WI | 1,638 | 246 | — |
| THORP WATERWORKS | THORP, WI | 1,636 | 361 | — |
| SPRING GREEN WATERWORKS | SPRING GREEN, WI | 1,626 | 104 | — |
| FOX LAKE WATERWORKS | FOX LAKE, WI | 1,610 | 24 | — |
| WI DOT REST AREA 64 LOMIRA NORTH BOUND | MADISON, WI | 1,601 | 36 | — |
| WI DOT REST AREA 63 LOMIRA SOUTH BOUND | MADISON, WI | 1,601 | 17 | — |
| RANDOM LAKE WATERWORKS | RANDOM LAKE, WI | 1,594 | 24 | — |
| FLEET FARM MUSKEGO MAIN STORE | MUSKEGO, WI | 1,585 | 0 | — |
| DARIEN WATERWORKS | DARIEN, WI | 1,573 | 153 | — |
| ELKHART LAKE WATERWORKS | ELKHART LAKE, WI | 1,567 | 8 | — |
| NIAGARA WATERWORKS | NIAGARA, WI | 1,561 | 17 | — |
| QUAD GRAPHICS | LOMIRA, WI | 1,550 | 14 | — |
| FEDERAL CORRECTIONAL INSTITUTION | Oxford, WI | 1,550 | 90 | — |
| SHARON WATERWORKS | SHARON, WI | 1,549 | 327 | — |
| KETTLE MORAINE CORRECTIONAL INSTITUTION | MADISON, WI | 1,544 | 6 | — |
| EAGLE RIVER WATERWORKS | EAGLE RIVER, WI | 1,530 | 15 | — |
| BROOKLYN WATERWORKS | BROOKLYN, WI | 1,524 | 58 | — |
| MCDONALDS MEQUON | POYNETTE, WI | 1,524 | 114 | — |
| CLEVELAND WATERWORKS | CLEVELAND, WI | 1,524 | 23 | — |
| RIVER BEND RESORT | WATERTOWN, WI | 1,520 | 5 | — |
| BANGOR WATERWORKS | Bangor, WI | 1,520 | 25 | — |
| HURLEY WATERWORKS | HURLEY, WI | 1,515 | 56 | — |
| CONCORDIA UNIVERSITY | MEQUON, WI | 1,500 | 27 | — |
| INDEPENDENCE WATERWORKS | INDEPENDENCE, WI | 1,500 | 218 | — |
| BLACK EARTH WATERWORKS | BLACK EARTH, WI | 1,493 | 39 | — |
| EDGAR WATERWORKS | Edgar, WI | 1,491 | 49 | — |
| ORFORDVILLE WATERWORKS | ORFORDVILLE, WI | 1,475 | 44 | — |
| BONDUEL WATERWORKS | BONDUEL, WI | 1,475 | 18 | — |
| PHILLIPS WATERWORKS | Phillips, WI | 1,473 | 94 | — |
| GRANTSBURG WATERWORKS | GRANTSBURG, WI | 1,460 | 14 | — |
| MUSCODA WATERWORKS | MUSCODA, WI | 1,453 | 123 | — |
| AUGUSTA WATERWORKS | AUGUSTA, WI | 1,450 | 306 | — |
| MISHICOT WATERWORKS | MISHICOT, WI | 1,432 | 9 | — |
| WEST BARABOO WATERWORKS | BARABOO, WI | 1,414 | 6 | — |
| SPRING VALLEY WATERWORKS | SPRING VALLEY, WI | 1,409 | 25 | — |
| KWIK TRIP #973 | SUSSEX, WI | 1,404 | 0 | — |
| WI DOT REST AREA 81 SOUTHBOUND | MADISON, WI | 1,400 | 81 | — |
| CORNELL WATERWORKS | CORNELL, WI | 1,390 | 51 | — |
| WOODVILLE WATERWORKS | Woodville, WI | 1,386 | 28 | — |
| NEW BERLIN WEST MIDDLE HIGH SCHOOL | NEW BERLIN, WI | 1,380 | 330 | Detected |
| MARKESAN WATERWORKS | MARKESAN, WI | 1,365 | 3 | — |
| CADOTT WATERWORKS | CADOTT, WI | 1,352 | 24 | — |
| SOUTHERN DOOR SCH DIST | PULASKI, WI | 1,350 | 8 | — |
| WI DOT REST AREA 82 NORTHBOUND | MADISON, WI | 1,350 | 39 | — |
| MAPLE BLUFF WATERWORKS | MADISON, WI | 1,342 | 34 | — |