Public Water Systems
10,988 active water systems in WI.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| RICHFIELD MIDDLE SCHOOL | RICHFIELD, WI | 410 | 11 | — |
| CASA TEQUILA | HARTFORD, WI | 410 | 2 | — |
| SQUIRES GROVE | ELM GROVE, WI | 410 | 69 | — |
| LAKE COUNTRY CLASSICAL ACADEMY EAST CAMPUS | OCONOMOWOC, WI | 410 | 8 | — |
| JOHNSONVILLE COUNTRYSIDE COMPLEX | SHEBOYGAN FALLS, WI | 410 | 23 | — |
| ROCK FALLS RACEWAY MAIN BLDG | EAU CLAIRE, WI | 410 | 15 | — |
| PETENWELL CO PARK 10-WEST PUMP HOUSE | Friendship, WI | 410 | 0 | — |
| PIGEON FALLS WATERWORKS | PIGEON FALLS, WI | 409 | 18 | — |
| LAKEWOOD SCHOOL | TWIN LAKES, WI | 408 | 34 | — |
| FRIESS LAKE ELEMENTARY SCHOOL | RICHFIELD, WI | 407 | 145 | — |
| EASTMAN WATERWORKS | EASTMAN, WI | 407 | 36 | — |
| EHLENBACHS CHEESE CHALET | De Forest, WI | 406 | 0 | — |
| ST PAULS EV LUTHERAN CHURCH | IXONIA, WI | 406 | 19 | — |
| WELCOME MART | GRAFTON, WI | 405 | 9 | — |
| LAKE LAWN RESORT 3 MAIN WELL | DELAVAN, WI | 405 | 60 | — |
| ERIN SCHOOL | HARTFORD, WI | 405 | 37 | — |
| PETENWELL CO PARK 9 | Friendship, WI | 405 | 0 | — |
| FIRST CHRISTIAN CHURCH | Kenosha, WI | 404 | 4 | — |
| KENICKYS PUBLIC HOUSE | RICHFIELD, WI | 404 | 26 | — |
| SCENIC VIEW COUNTRY CLUB | SLINGER, WI | 403 | 67 | — |
| MAGEE ELEMENTARY | WALES, WI | 403 | 3 | — |
| DE SOTO HIGH-MIDDLE SCHOOL | DeSoto, WI | 403 | 185 | — |
| OZAUKEE CONGREG CHURCH & PARISH HOUSE | GRAFTON, WI | 402 | 29 | — |
| LUTHER VALLEY CHURCH | Beloit, WI | 401 | 2 | — |
| OZAUKEE CONGREG FELLOWSHIP HALL | GRAFTON, WI | 401 | 25 | — |
| ST JAMES CATH CH HALL | Princeton, WI | 401 | 0 | — |
| ST JAMES CATH CH | Princeton, WI | 401 | 11 | — |
| CASCADE MTN SKI - DAISY RESTAURANT WELL | PORTAGE, WI | 400 | 0 | — |
| LAKE FOREST WATER COOP | MADISON, WI | 400 | 227 | — |
| WINDSOR WATER UTILITY NORTH | WINDSOR, WI | 400 | 33 | — |
| SUNSET RIDGE ELEMENTARY SCHOOL | MIDDLETON, WI | 400 | 4 | — |
| ST BONIFACE CATHOLIC CHURCH | LAVALLE, WI | 400 | 0 | — |
| KNOLLS WATER COOPERATIVE | HINSDALE, WI | 400 | 39 | — |
| HALES HAPPINESS SUBDIVISION | HALES CORNERS, WI | 400 | 93 | — |
| ST JOHNS EV LUTHERAN CHURCH OAK CREEK | Oak Creek, WI | 400 | 16 | — |
| GLEN OAKS OFFICE PARK | MEQUON, WI | 400 | 11 | — |
| WI DNR HARRINGTON BEACH SHOWER BLDG | MADISON, WI | 400 | 16 | — |
| HARVEST VIEW MHC | NORTHBROOK, WI | 400 | 526 | — |
| WESTERN VILLAGE | OAK BROOK, WI | 400 | 70 | — |
| SMOLENSKI PARK | MT PLEASANT, WI | 400 | 30 | — |
| PIONEER ESTATES OF DELAVAN | Milwaukee, WI | 400 | 416 | — |
| CAMP JUNIPER KNOLL | East Troy, WI | 400 | 19 | — |
| MARIAN HEIGHTS SUBDIVISION | ELM GROVE, WI | 400 | 277 | — |
| VILLAGE COURT LLC | ST CLAIR SHORES, WI | 400 | 21 | — |
| CHRISTIAN EDUCATION LEADERSHIP ACADEMY | PEWAUKEE, WI | 400 | 0 | — |
| MANOR HILL MOBILE HOME PARK | FARMINGTON HILLS, WI | 400 | 15 | — |
| WI DNR KMSFNU LONG LAKE PUMPHOUSE | MADISON, WI | 400 | 12 | — |
| ABRAMS ELEMENTARY SCHOOL | OCONTO FALLS, WI | 400 | 20 | — |
| ALDRICH CHEMICAL CO | SHEBOYGAN FALLS, WI | 400 | 93 | — |
| WAUPACA HIGH SCH | WAUPACA, WI | 400 | 0 | — |