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 |
|---|---|---|---|---|
| Station Lake 5 | Colgate, WI | 105 | 8 | - |
| Erin Town Hall & Erin Go Braugh Park | Hartford, WI | 105 | 30 | - |
| Daybreak Center | Delafield, WI | 105 | 9 | - |
| Woodys Corner Pub | Mukwonago, WI | 105 | 5 | - |
| Merrill Hills Country Club - Pool Well | Waukesha, WI | 105 | 14 | - |
| Blue Horse Beach Cafe | Fish Creek, WI | 105 | 42 | - |
| Julies Park Cafe | Fish Creek, WI | 105 | 45 | - |
| Summer Kitchen Restr | Fish Creek, WI | 105 | 108 | - |
| Waterbury Inn | Ephraim, WI | 105 | 37 | - |
| Mr Eds Campground | Kewaskum, WI | 105 | 9 | - |
| Dins Garage & Mini Mart | Campbellsport, WI | 105 | 11 | - |
| Terrys Hitching Post | Manchester, WI | 105 | 77 | - |
| Mecan River Outfitters & Lodge | Princeton, WI | 105 | 0 | - |
| Vino Cappuccino Artisan Bistro | Elk Mound, WI | 105 | 0 | - |
| Hodag Sports Club | Rhinelander, WI | 105 | 34 | - |
| Everett The | Eagle River, WI | 105 | 0 | - |
| Rustic Roadhaus | Mercer, WI | 105 | 12 | - |
| Tony Waterworks | Tony, WI | 105 | 142 | - |
| P Town Inn | Medford, WI | 105 | 17 | - |
| Boxxx Office Gentlemens Club The | Portage, WI | 104 | 32 | - |
| Kds Bar & Grill | Lodi, WI | 104 | 4 | - |
| Squirrels Nest | McFarland, WI | 104 | 9 | - |
| Snapper Vicks | Woodland, WI | 104 | 0 | - |
| Sensient Flavors LLC | Juneau, WI | 104 | 75 | - |
| Cash & Olives Pub | Madison, WI | 104 | 13 | - |
| WI DNR Yellowstone Dairy Restaurant | Blanchardville, WI | 104 | 11 | - |
| Yellowstone Lake Chalet | Blanchardville, WI | 104 | 13 | - |
| Emerald Grove Congregational Church | Janesville, WI | 104 | 7 | - |
| Skillet Creek Campground | Baraboo, WI | 104 | 10 | - |
| Swim Reedsburg | Reedsburg, WI | 104 | 15 | - |
| Bowery Bar | Franklin, WI | 104 | 18 | - |
| Old Fashioned Supper Club | West Bend, WI | 104 | 6 | - |
| Rons Service | Waterford, WI | 104 | 0 | - |
| Pleasant Valley Tennis Club | Jackson, WI | 104 | 20 | - |
| Little Red Inn | Hartford, WI | 104 | 58 | - |
| Holy Hill Road Shell | Richfield, WI | 104 | 0 | - |
| Mayfield Mobil | Granger, WI | 104 | 0 | - |
| Five Oclock Club of Pewaukee | Pewaukee, WI | 104 | 2 | - |
| Associated Bank of Oconomowoc | Oconomowoc, WI | 104 | 2 | - |
| Zin-Uncommon California Italian Restaurant | Delafield, WI | 104 | 5 | - |
| Merrill Hills C Club - Maint Bldg & Hardy House | Waukesha, WI | 104 | 0 | - |
| St Vincent de Paul | Waukesha, WI | 104 | 0 | - |
| Htr Door County | Egg Harbor, WI | 104 | 23 | - |
| Zion Ev Lutheran Ch | Egg Harbor, WI | 104 | 66 | - |
| Sandpiper Inn & BBQ | Campbellsport, WI | 104 | 8 | - |
| Whiskey Dix | Malone, WI | 104 | 43 | - |
| WI DNR Kohler Andrae Dump Station Well | Madison, WI | 104 | 42 | - |
| Maple Ridge Bible Church | Boscobel, WI | 104 | 20 | - |
| McSweets RV Resort | Black River Falls, WI | 104 | 0 | - |
| Maplewood Golf Course | Pickerel, WI | 104 | 24 | - |