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 |
| Lotus Light 2 | Silver Lake, WI | 25 | 7 | - |
| Honeydripperz Pub | New Munster, WI | 25 | 5 | - |
| Mars Cheese Castle - New Bldg | Kenosha, WI | 25 | 0 | - |
| Brighton Dale Co Park - Picnic Pavilion | Bristol, WI | 25 | 0 | - |
| Brighton Dale Co Park - Clubhouse | Bristol, WI | 25 | 0 | - |
| Westosha Central High School - Tennis Courts | Salem, WI | 25 | 0 | - |
| St Iakovos Retreat Cottage Well | Kansasville, WI | 25 | 11 | - |
| St Iakovos Retreat Pool Cottage Well | Kansasville, WI | 25 | 0 | - |
| Camp Crown Miller Cabin | Vernon Hills, WI | 25 | 0 | - |
| Crossroads II Pizza | Franklin, WI | 25 | 38 | - |
| El Rancho Motel | Franklin, WI | 25 | 17 | - |
| Rickys Double Barrel Inn | Franklin, WI | 25 | 2 | - |
| Travelers Motel | Franklin, WI | 25 | 17 | - |
| Schlitz Audubon Center -Pavilion Bathrooms | Milwaukee, WI | 25 | 26 | - |
| Sunrise Motel | Franklin, WI | 25 | 22 | - |
| Mimosas | Franklin, WI | 25 | 12 | - |
| River Garden Apts | Milwaukee, WI | 25 | 341 | - |
| Prohealth Chiropractic Center | Thiensville, WI | 25 | 8 | - |
| Stony Hill Pub & Grill | Waubeka, WI | 25 | 26 | - |
| Dawg House | Waubeka, WI | 25 | 20 | - |
| The Landmark - Mequon | Mequon, WI | 25 | 14 | - |
| Badger Campsite | Random Lake, WI | 25 | 14 | - |
| Ozaukee Co Fish & Game | Fredonia, WI | 25 | 20 | - |
| H H Peters Youth Camp | Port Washington, WI | 25 | 0 | - |
| Schramka Densow Funeral Home | Thiensville, WI | 25 | 0 | - |
| Kingdom Hall of Jehovahs Witnesses Pt Wash | Port Washington, WI | 25 | 11 | - |
| Mee Kwon Park Barn | Port Washington, WI | 25 | 0 | - |
| River Outpost | Newburg, WI | 25 | 20 | - |
| Waubedonia County Park | Port Washington, WI | 25 | 5 | - |
| Open Door Bible Church | Port Washington, WI | 25 | 11 | - |
| Tendick Park | Port Washington, WI | 25 | 0 | - |
| Mequon Rotary Park | Mequon, WI | 25 | 0 | - |
| North Shore Country Club Restroom | Mequon, WI | 25 | 21 | - |
| Pleasant Valley Park | Cedarburg, WI | 25 | 0 | - |
| Pioneer Village Train Station Well | Port Washington, WI | 25 | 0 | - |
| Saukville Gun Club | Saukville, WI | 25 | 0 | - |
| River Edge Nature Center - Sugarbush House | Newburg, WI | 25 | 0 | - |
| Hunny Tree Mobil | Burlington, WI | 25 | 13 | - |
| West Allis Bowmen | Franksville, WI | 25 | 20 | - |
| Dover Town Hall | Kansasville, WI | 25 | 4 | - |
| Wind Lake Bp | Wind Lake, WI | 25 | 11 | - |
| YMCA Camp Maclean Pioneer | Burlington, WI | 25 | 2 | - |
| Honey Lake Inn | Burlington, WI | 25 | 10 | - |
| Manheim Milwaukee Auto Auction-New Body Shop | Caledonia, WI | 25 | 106 | - |
| Franksville Memorial Park Area 4 - New Back Well | Sturtevant, WI | 25 | 68 | - |
| Wadewitz Nature Camp Main Building | Sturtevant, WI | 25 | 1 | - |
| Wadewitz Nature Camp Hickory Handpump | Sturtevant, WI | 25 | 6 | - |
| Browns Lake Golf Course Maintenance Bldg | Sturtevant, WI | 25 | 18 | - |
| Haban Park | Sturtevant, WI | 25 | 4 | - |
| YMCA Camp Maclean Leader in Training - Ltr - Facility | Burlington, WI | 25 | 0 | - |