Public Water Systems
10,988 active public water systems in WI, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| Pack It in Pub | Tilleda, WI | 25 | 12 | - |
| Tilleda Falls Cmpgd Pumphouse Well | Tilleda, WI | 25 | 4 | - |
| St Mary Catholic Ch | Tigerton, WI | 25 | 50 | - |
| Pine Grove Cmpgd Site 129 | Shawano, WI | 25 | 0 | - |
| Pine Grove Cmpgd Site 191 | Shawano, WI | 25 | 3 | - |
| Bradys Acres Mobile Homes 1 | Gresham, WI | 25 | 5 | - |
| J & H Game Farm | Shiocton, WI | 25 | 4 | - |
| St Paul Lutheran Ch | Bonduel, WI | 25 | 16 | - |
| Lumberyard Bar & Grill | Bonduel, WI | 25 | 47 | - |
| Angelica Mobil | Pulaski, WI | 25 | 7 | - |
| WI DNR Kohler Andrae Winter Cmpgrd 3E | Madison, WI | 25 | 57 | - |
| Larsons Resort Campground Well | Cascade, WI | 25 | 12 | - |
| Harbor Lights Resort - Campground Well | Waldo, WI | 25 | 2 | - |
| Hoefts Resort & Campground Point Well | Cascade, WI | 25 | 0 | - |
| WI DNR Kmsfnu Shelter 5 Well | Madison, WI | 25 | 25 | - |
| Camp Y Koda | Sheboygan, WI | 25 | 5 | - |
| Town of Scott Community Center | Adell, WI | 25 | 27 | - |
| Farmer & Sportsmans Club | Sheboygan, WI | 25 | 58 | - |
| Blackwolf Run Golf Meadows Course | Kohler, WI | 25 | 2 | - |
| Our Shepherd Ucc | Howards Grove, WI | 25 | 23 | - |
| Larrys Distributing | Sheboygan, WI | 25 | 42 | - |
| Howards Grove Memorial Park | Howards Grove, WI | 25 | 8 | - |
| Kohler Credit Union | Howards Grove, WI | 25 | 0 | - |
| Greenbush Trailhead | Sheboygan, WI | 25 | 0 | - |
| Sheboygan Falls Trailhead | Sheboygan, WI | 25 | 0 | - |
| Howards Grove High School Concession Building Well | Howards Grove, WI | 25 | 0 | - |
| Reformed Presbyterian Church | Oostburg, WI | 25 | 0 | - |
| Holy Covenant Alliance Church | Sheboygan, WI | 25 | 0 | - |
| Greenbush Fire Dept & Town Hall | Greenbush, WI | 25 | 0 | - |
| Concept Works | Elkhart Lake, WI | 25 | 0 | - |
| Waupaca High Sch Concession | Waupaca, WI | 25 | 4 | - |
| Kinney Lake Cmpgd North Bathrm | Stevens Point, WI | 25 | 18 | - |
| Sliced | Amherst Junction, WI | 25 | 0 | - |
| Wolf Riv Cmpgd Well 3 | New London, WI | 25 | 13 | - |
| Red Banks Resort Cottages | Fremont, WI | 25 | 14 | - |
| Red Banks Resort Tavern | Fremont, WI | 25 | 16 | - |
| Emmaus Ev Lutheran Ch | Waupaca, WI | 25 | 5 | - |
| Glacier Wood Golf Shelter Well | Iola, WI | 25 | 0 | - |
| Faith Community Ch | Waupaca, WI | 25 | 3 | - |
| Little Wolf Town Hall | Manawa, WI | 25 | 5 | - |
| Hidden Waters Golf Course | Waupaca, WI | 25 | 0 | - |
| Fremont RV West Well | Chicago, WI | 25 | 0 | - |
| St Mary Magdalene Cath Faith Community | Waupaca, WI | 25 | 0 | - |
| Kinney Lake Cmpgd Farm | Stevens Point, WI | 25 | 20 | - |
| Kinney Lake Cmpgd 300 | Stevens Point, WI | 25 | 20 | - |
| Kinney Lake Cmpgd Site 553 | Stevens Point, WI | 25 | 24 | - |
| Camp Tamarack Lodge | Elm Grove, WI | 25 | 0 | - |
| Klingers Real Barbeque | Wautoma, WI | 25 | 10 | - |
| Landing Strip Bar & Club | Waupaca, WI | 25 | 0 | - |
| Chain Cenex Convenience Store | Waupaca, WI | 25 | 16 | - |