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 |
|---|---|---|---|---|
| Red Barn Tavern LLC | Evansville, WI | 210 | 5 | - |
| Heritage Hall | Janesville, WI | 210 | 2 | - |
| Rock River Heritage Park 5 | Janesville, WI | 210 | 0 | - |
| Tumbled Rock Brewery & Kitchen | Lake Delton, WI | 210 | 0 | - |
| Whitnall Park Golf Service Building | Hales Corners, WI | 210 | 6 | - |
| Christian Life Church & Kids Rule Academy | Mequon, WI | 210 | 23 | - |
| Bmo Harris Bank | Hubertus, WI | 210 | 38 | - |
| Marlan Meadows Homeowners Assoc | Muskego, WI | 210 | 134 | - |
| Tiki Beach Resort Cmpgd | Iron Ridge, WI | 210 | 4 | - |
| Jw Creekside LLC | Adell, WI | 210 | 36 | - |
| Rivers Edge Cmpgd | Somerset, WI | 210 | 10 | - |
| Castle Rock Co Park 2-Shop | Friendship, WI | 210 | 12 | - |
| Kountry Aire Est MHP III | Colfax, WI | 210 | 17 | - |
| WI DNR Razorback Lk Cmpgd 17 | Boulder Junction, WI | 210 | 15 | - |
| WI DNR Razorback Lk Cmpgd 16 | Boulder Junction, WI | 210 | 3 | - |
| WI DNR Razorback Cmpgd 2143 | Boulder Junction, WI | 210 | 0 | - |
| Triple Play Sports Bar & Grill | Wisconsin Dells, WI | 208 | 74 | - |
| Lake Ripley Country Club - Clubhouse | Cambridge, WI | 208 | 8 | - |
| Crossroads Supper Club | Platteville, WI | 208 | 6 | - |
| Oak Ridge Golf Course | Milton, WI | 208 | 0 | - |
| Beloit Youth Sports Complex | Beloit, WI | 208 | 0 | - |
| Country Bumpkin Farm Market | Wisconsin Dells, WI | 208 | 0 | - |
| Mountain Top Christian Academy | Horicon, WI | 207 | 159 | - |
| Hartford Golf Club | Hartford, WI | 207 | 5 | - |
| Indian Trails Campground - Restaurant | Pardeeville, WI | 206 | 2 | - |
| Edge of Town Cafe | Palmyra, WI | 206 | 6 | - |
| Lake Ripley Family Restaurant | Cambridge, WI | 206 | 0 | - |
| Rock Prairie United Pres Ch | Janesville, WI | 206 | 20 | - |
| Cedar Lake Home 9 | West Bend, WI | 206 | 128 | - |
| Ivees at Main | Germantown, WI | 206 | 25 | - |
| Riverglen Christian Church | Waukesha, WI | 206 | 0 | - |
| WI DNR Pen Concession | Madison, WI | 206 | 26 | - |
| St Paul Cath Ch | Egg Harbor, WI | 206 | 6 | - |
| Blancks Supper Club | Malone, WI | 206 | 9 | - |
| Kewaunee Solutions | Kewaunee, WI | 206 | 0 | - |
| Las Delicias Bakery LLC | Random Lake, WI | 206 | 13 | - |
| Mount Sterling Waterworks | Mt Sterling, WI | 206 | 100 | - |
| Subway Sandwiches - Poynette | Poynette, WI | 205 | 7 | - |
| Field House Bar and Grill The | Brownsville, WI | 205 | 0 | - |
| Sullivan Saloon | Sullivan, WI | 205 | 0 | - |
| Real Maccoy The | Lyndon Station, WI | 205 | 5 | - |
| Riverside Mobil | Beloit, WI | 205 | 0 | - |
| Ishnala Supper Club | Lake Delton, WI | 205 | 0 | - |
| Pioneer Park Pool | Lake Delton, WI | 205 | 0 | - |
| Pioneer Park NE Corner | Lake Delton, WI | 205 | 0 | - |
| Devils Head Resort Highrise | Merrimac, WI | 205 | 5 | - |
| The Highland House | Mequon, WI | 205 | 37 | - |
| Bildas Friess Lake Pub | Hubertus, WI | 205 | 27 | - |
| Grace Bible Church | Oconomowoc, WI | 205 | 2 | - |
| WI DNR Kmsf Lapham Peak Lodge | Madison, WI | 205 | 0 | - |