Public Water Systems
10,988 active water systems in WI.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| MATTOON WATERWORKS | MATTOON, WI | 450 | 172 | — |
| COCHRANE WATERWORKS | COCHRANE, WI | 450 | 16 | — |
| SCOUTING AMERICA CAMP MKJW WEST CAMP 1 | PEARSON, WI | 450 | 10 | — |
| SCOUTING AMERICA MKJW WEST CAMP 2 | PEARSON, WI | 450 | 0 | — |
| WI DNR CLEAR LK CMPGD 24 | BOULDER JUNCTION, WI | 450 | 0 | — |
| WI DNR CLEAR LK CMPGD 23 | BOULDER JUNCTION, WI | 450 | 4 | — |
| WI DNR CLEAR LK CMPGD 10 | BOULDER JUNCTION, WI | 450 | 0 | — |
| WI DNR CLEAR LK CMPGD 9 | BOULDER JUNCTION, WI | 450 | 0 | — |
| WI DNR CLEAR LK CMPGD 8 | BOULDER JUNCTION, WI | 450 | 0 | — |
| WI DNR CLEAR LK CMPGD 7 | BOULDER JUNCTION, WI | 450 | 0 | — |
| MCCAIN FOODS USA | WISCONSIN RAPIDS, WI | 450 | 56 | — |
| LAND O LAKES SANITARY DIST | Land O Lakes, WI | 450 | 433 | — |
| CAMP FOREST SPRINGS FOREST CLEARING MINI FARM | WESTBORO, WI | 450 | 0 | — |
| ST ALPHONSUS CATHOLIC CHURCH | NEW MUNSTER, WI | 449 | 26 | — |
| NORTHWESTERN HIGH SCHOOL | MAPLE, WI | 448 | 14 | — |
| WILLOW SPRINGS MHP 2 & 3 | Barrington, WI | 446 | 49 | — |
| HOLCOMBE HIGH SCHOOL | HOLCOMBE, WI | 445 | 147 | — |
| BURGER KING | CHICAGO, WI | 443 | 10 | — |
| FOUNTAIN CITY WATERWORKS | Fountain City, WI | 443 | 62 | — |
| HIXTON WATERWORKS | Hixton, WI | 443 | 218 | — |
| BIRCHWOOD WATERWORKS | BIRCHWOOD, WI | 442 | 96 | — |
| MERRIMAC WATERWORKS | MERRIMAC, WI | 440 | 85 | — |
| WI DOT REST AREA 16 SPARTA | MADISON, WI | 440 | 91 | — |
| ST GABRIEL SCHOOL-PARISH | HUBERTUS, WI | 438 | 20 | — |
| SAPUTO CHEESE USA INC WAUPUN | WAUPUN, WI | 435 | 41 | — |
| NORTHVIEW ELEMENTARY SCHOOL | HOWARDS GROVE, WI | 435 | 15 | — |
| TRINITY EV LUTHERAN CHURCH & SCHOOL | Marshfield, WI | 430 | 142 | — |
| MILL VALLEY SCHOOL | MUSKEGO, WI | 426 | 25 | — |
| SEXTONVILLE WATERWORKS | SEXTONVILLE, WI | 425 | 74 | — |
| BLUE RIVER WATERWORKS | BLUE RIVER, WI | 424 | 35 | — |
| CLYMAN WATERWORKS | CLYMAN, WI | 422 | 171 | — |
| SILVER BIRCH RANCH DORMS | WHITE LAKE, WI | 422 | 2 | — |
| NORTH HILLS MHP | BARRINGTON, WI | 420 | 59 | — |
| INTERNATIONAL CRANE FOUNDATION GATEWAY VISITORS | Baraboo, WI | 420 | 0 | — |
| ST FRANCIS BORGIA EDUCATIONAL & ACTIVITY CENTER | CEDARBURG, WI | 420 | 0 | — |
| ELM GROVE LUTHERAN SCHOOL & CHURCH | ELM GROVE, WI | 420 | 34 | — |
| LACONIA ELEMENTARY SCHOOL | ROSENDALE, WI | 420 | 21 | — |
| VILLA DIANN MHP | SAN FRANCISCO, WI | 420 | 76 | — |
| SILVER BIRCH RANCH HORSE BLDG AND DINING HALL | WHITE LAKE, WI | 420 | 0 | — |
| ALMOND-BANCROFT PUBLIC SCHOOLS | ALMOND, WI | 420 | 27 | — |
| HANCOCK WATERWORKS | HANCOCK, WI | 419 | 119 | — |
| BEAR CREEK WATERWORKS | BEAR CREEK, WI | 418 | 148 | — |
| JUNCTION CITY WATERWORKS | Junction City, WI | 416 | 16 | — |
| FOX & HOUNDS RESTAURANT - KITCHEN | HARTFORD, WI | 415 | 4 | — |
| FOX & HOUNDS RESTAURANT - BAR | HARTFORD, WI | 415 | 12 | — |
| SUNRISE ORCHARDS | GAY MILLS, WI | 415 | 4 | — |
| CRAWFISH JUNCTION | JOHNSON CREEK, WI | 412 | 0 | — |
| STATION 51 LLC | JANESVILLE, WI | 412 | 2 | — |
| PEACE LUTHERAN CHURCH | GREEN BAY, WI | 411 | 204 | — |
| SUNSET HARBOR | LODI, WI | 410 | 20 | — |