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 |
|---|---|---|---|---|
| Butterfly Supper Club | Beloit, WI | 222 | 22 | - |
| Rosy Lane Holsteins Farm Office | Watertown, WI | 221 | 0 | - |
| Holy Wisdom Monastery | Madison, WI | 220 | 123 | - |
| Prairie Pines Golf Club | Sun Prairie, WI | 220 | 0 | - |
| Anchor Inn | Edgerton, WI | 220 | 6 | - |
| Oakdale Estates MHP | Sturtevant, WI | 220 | 343 | - |
| Ashley Furniture Homestore | Richfield, WI | 220 | 0 | - |
| Rogers Mem Hosp - Main Hospital | Oconomowoc, WI | 220 | 22 | - |
| Beverly Gardens Banquet Hall | De Pere, WI | 220 | 10 | - |
| J & WS Place | Casco, WI | 220 | 16 | - |
| Rendezvous Dance Hall | Luxemburg, WI | 220 | 18 | - |
| Golf Course at Branch River | Kiel, WI | 220 | 0 | - |
| Windjammer | Marinette, WI | 220 | 26 | - |
| Richards of Dunbar | Dunbar, WI | 220 | 42 | - |
| Twin Bridge Resort | Crivitz, WI | 220 | 10 | - |
| McCauslin Brook Golf Course Clubhouse | Lakewood, WI | 220 | 3 | - |
| Holiday Inn Supper Club | Suring, WI | 220 | 9 | - |
| Out O Town Supper Club | Kaukauna, WI | 220 | 0 | - |
| Romys Nitingale | Black Creek, WI | 220 | 4 | - |
| El Poblano Mexican-American Grill | Oconomowoc, WI | 220 | 18 | - |
| Pine Tree Supper Club | New London, WI | 220 | 6 | - |
| Camp Moshava Dining on Hill | Skokie, WI | 220 | 5 | - |
| Camp Moshava Kitchen | Skokie, WI | 220 | 19 | - |
| Marengo Valley School | Ashland, WI | 220 | 14 | - |
| Mount Ashwabay | Bayfield, WI | 220 | 3 | - |
| Louisiana Pacific Corporation | Hayward, WI | 220 | 10 | - |
| Taylor Co Perkinstown Winter Sports Area | Medford, WI | 220 | 30 | - |
| Emanuel United Church of Christ | Hales Corners, WI | 218 | 19 | - |
| Fitzs on the Lake | Lodi, WI | 215 | 0 | - |
| Door Creek Golf Course - Main | Lake Mills, WI | 215 | 0 | - |
| Platteville Golf & Cntry Clb | Platteville, WI | 215 | 21 | - |
| Crystal Ridge | Franklin, WI | 215 | 25 | - |
| Nippersink Country Club & Lodge | Richmond, WI | 215 | 8 | - |
| Camp Silverbrook North Star Well | West Bend, WI | 215 | 0 | - |
| Camp Silverbrook Sandy Point Well | West Bend, WI | 215 | 2 | - |
| Camp Silverbrook- Jo Ann Mann Lodge | West Bend, WI | 215 | 0 | - |
| Trinity Evangelical Luth Ch & Sch | West Bend, WI | 215 | 22 | - |
| WI DNR Pike Lake Beach | Madison, WI | 215 | 26 | - |
| Wild Tomato | Fish Creek, WI | 215 | 82 | - |
| Cedar Grove Oasis | Zionsville, WI | 215 | 0 | - |
| Rosholt High School | Rosholt, WI | 214 | 28 | - |
| Sinsinawa Dominicans Inc | Sinsinawa, WI | 213 | 73 | - |
| St Pauls Catholic Church | Genesee Depot, WI | 212 | 328 | - |
| Western Lakes Golf Club | Delafield, WI | 212 | 6 | - |
| Living Word Apostolic Church | New Berlin, WI | 212 | 0 | - |
| Foleys Tree Service | Tomahawk, WI | 212 | 0 | - |
| Iron Belt Waterworks | Iron Belt, WI | 211 | 131 | - |
| Hilltop Inn | Cross Plains, WI | 210 | 0 | - |
| Hickory Grove Country Club | Gays Mills, WI | 210 | 67 | - |
| Cole Acres Country Club | Cuba City, WI | 210 | 0 | - |