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 |
|---|---|---|---|---|
| Mulligans Irish Pub & Grill | Franklin, WI | 312 | 4 | - |
| Old World Wisconsin Clausing Barn W1 | Eagle, WI | 312 | 50 | - |
| Agave Azul | Eagle River, WI | 311 | 0 | - |
| Buddys River Resort | Sauk City, WI | 310 | 9 | - |
| Immanuel Lutheran Church & Sch | Mayville, WI | 310 | 108 | - |
| Juda Public School | Juda, WI | 310 | 16 | - |
| Ixonia Elementary School | Oconomowoc, WI | 310 | 108 | - |
| La Casita | Twin Lakes, WI | 310 | 22 | - |
| Sendiks | Milwaukee, WI | 310 | 139 | - |
| Eastmound Center | Pynette, WI | 310 | 4 | - |
| Wildcat Lodge 1 | Oconomowoc, WI | 310 | 7 | - |
| Minikani YMCA Camp - Pioneer Unit | Hubertus, WI | 309 | 7 | - |
| Minikani YMCA Camp - Trail Blazer | Hubertus, WI | 309 | 7 | - |
| Minikani YMCA Camp - Dining Lodge | Hubertus, WI | 309 | 7 | - |
| Minikani YMCA Camp - Horse Barn | Hubertus, WI | 309 | 0 | - |
| Minikani YMCA Camp - Explorer Unit | Hubertus, WI | 309 | 4 | - |
| Quick Stop | Stoughton, WI | 308 | 19 | - |
| Rons Market | Helenville, WI | 308 | 0 | - |
| Whitnall Park Golf Course Clubhouse | Wauwatosa, WI | 308 | 8 | - |
| Portview Church | Port Washington, WI | 308 | 64 | - |
| Loft | Fish Creek, WI | 308 | 3 | - |
| West Bend Lakes Golf & Recreation | West Bend, WI | 307 | 13 | - |
| Lumber Inn | Delafield, WI | 307 | 7 | - |
| Pipe Express | Malone, WI | 307 | 0 | - |
| Camp Wawbeek - Respite Camp Lodge | Wisconsin Dells, WI | 306 | 0 | - |
| Camp Wawbeek Nature Center - Main Well | Wisconsin Dells, WI | 306 | 0 | - |
| Hookers Resort | Poynette, WI | 306 | 9 | - |
| Hope Lutheran Church | McFarland, WI | 306 | 0 | - |
| Camp Wawbeek - Respite Camp Rec Center | Wisconsin Dells, WI | 306 | 0 | - |
| Chaseburg Waterworks Village Of | Chaseburg, WI | 306 | 24 | - |
| Remis Thirsty Moose | Lodi, WI | 305 | 0 | - |
| Pioneer Park Comfort Sta 1 | Lake Delton, WI | 305 | 0 | - |
| Pioneer Park Comfort Sta 2 | Lake Delton, WI | 305 | 0 | - |
| Racine Instinctive Bowmen | Sturtevant, WI | 305 | 0 | - |
| Hartford Town Hall | Hartford, WI | 305 | 0 | - |
| New China Buffet | Waukesha, WI | 305 | 2 | - |
| Round Lake Farms | Brillion, WI | 305 | 0 | - |
| Exxon-Mobil Westfield | Westfield, WI | 305 | 4 | - |
| Pribnows Maple Inn | Ixonia, WI | 304 | 2 | - |
| J Mobil Mequon | Mequon, WI | 304 | 22 | - |
| North Cape Lutheran Church | Franksville, WI | 304 | 5 | - |
| Richfield Heritage Park and Municipal Shop | Hubertus, WI | 304 | 0 | - |
| Richfield Heritage Park - Concession Stand | Hubertus, WI | 304 | 4 | - |
| Wendts on the Lake | Van Dyne, WI | 304 | 4 | - |
| Inspire Early Childhood Original | Waunakee, WI | 303 | 0 | - |
| WI Historical Stonefield Barn | Madison, WI | 303 | 12 | - |
| Wishing Well RV Resort Lodge Well System | Fort Atkinson, WI | 303 | 11 | - |
| On the Border | Franklin, WI | 303 | 19 | - |
| Hickory Haven Mhc | Northbrook, WI | 303 | 163 | - |
| Chapel on the Hill Church | Lake Geneva, WI | 303 | 19 | - |