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 |
| Fannies Supper Club | Neilsville, WI | 25 | 0 | - |
| Shoes Place Bar & Grill | Willard, WI | 25 | 9 | - |
| Trinity Lutheran Church | Unity, WI | 25 | 20 | - |
| Clark Co Hwy 10 - Hand Pump | Neillsville, WI | 25 | 0 | - |
| Clark Co Russell Mem Park Shower House 2 | Neillsville, WI | 25 | 17 | - |
| Clark Co Snyder Park Day Use | Neillsville, WI | 25 | 4 | - |
| Hene Supply | Withee, WI | 25 | 0 | - |
| Christine Center - Center | Willard, WI | 25 | 0 | - |
| Christine Center - Siloe | Willard, WI | 25 | 6 | - |
| Clark Co Rock Dam Park Cmpgd 2 | Neillsville, WI | 25 | 0 | - |
| Clark Co Russell Mem Alphabet Park | Neillsville, WI | 25 | 8 | - |
| Clark Co Rock Dam West ATV Area | Neillsville, WI | 25 | 0 | - |
| Willard Settlers Park | Willard, WI | 25 | 0 | - |
| White Conch Dharma Center | Neillsville, WI | 25 | 0 | - |
| Backyard Friends | Stanley, WI | 25 | 0 | - |
| Clark Co Sherwood Park-Shower Building | Neillsville, WI | 25 | 0 | - |
| Ferryville Cheese | Ferryville, WI | 25 | 8 | - |
| La Riviere Horse Camp | Prairie Du Chien, WI | 25 | 0 | - |
| Lous R & R Tavern | Steuben, WI | 25 | 9 | - |
| Horseshoe Tavern | Prairie Du Chien, WI | 25 | 12 | - |
| Hoochies Bar II | Lynxville, WI | 25 | 6 | - |
| Pronto Market | Ferryville, WI | 25 | 80 | - |
| Sugar Cr Bible Cp Koinonia | Ferryville, WI | 25 | 6 | - |
| Elk Mound Store LLC | Avon, WI | 25 | 0 | - |
| WI DNR Hoffman Hills Picnic Area | Madison, WI | 25 | 55 | - |
| Whispering Emerald Ridge Game Farm - Club House | Menomonie, WI | 25 | 0 | - |
| Grace Episcopal Church | Menomonie, WI | 25 | 0 | - |
| Downsville Snow Drifters | Menomonie, WI | 25 | 3 | - |
| Kingdom Hall of Jehovahs Witnesses | Menomonie, WI | 25 | 1 | - |
| Mas Irvington Cmpgd and Rentals LLC | Glenwood City, WI | 25 | 0 | - |
| Otter Creek Christian Fellowship | Wheeler, WI | 25 | 0 | - |
| Church of Nazarene Forest Center | Menomonie, WI | 25 | 10 | - |
| Luers Grocery | Eau Claire, WI | 25 | 3 | - |
| Brothers Country Mart | Downing, WI | 25 | 3 | - |
| Sand Creek Cafe & Bakery | Sand Creek, WI | 25 | 21 | - |
| Jakes Supper Club | Menomonie, WI | 25 | 5 | - |
| Whitetail Golf | Colfax, WI | 25 | 0 | - |
| Too Mixed Up | Menomonie, WI | 25 | 26 | - |
| Drunk N Monkey | Ridgeland, WI | 25 | 2 | - |
| Dunn Co Caddie Woodlawn Park | Menomonie, WI | 25 | 5 | - |
| Pumphouse, The | Downing, WI | 25 | 6 | - |
| WI DNR Chippewa River Tr Rest Area-Caryville | Madison, WI | 25 | 14 | - |
| Calvary Christian School | Boyceville, WI | 25 | 2 | - |
| Dollar General Store #20469 | Goodlettsville, WI | 25 | 4 | - |
| Dollar General Store #30538 | Goodlettsville, WI | 25 | 0 | - |
| Coates Corner Mkt Deli and Bakery | Wheeler, WI | 25 | 0 | - |
| St Raymonds de Penafort | Fall Creek, WI | 25 | 15 | - |
| Pleasant Valley Lutheran Church | Eleva, WI | 25 | 0 | - |
| Seven Mile Creek Landfill | Eau Claire, WI | 25 | 0 | - |
| Super 8 | Eau Claire, WI | 25 | 9 | - |