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 |
|---|---|---|---|---|
| Up the Street | Cassville, WI | 56 | 108 | - |
| WI DNR Yellowstone Main Use Area | Blanchardville, WI | 56 | 23 | - |
| Honkers | Muscoda, WI | 56 | 37 | - |
| Lake House Inn Edgerton | Edgerton, WI | 56 | 42 | - |
| U S Bank Twin Lakes | Milwaukee, WI | 56 | 10 | - |
| East Field Office Center | Mequon, WI | 56 | 5 | - |
| New Day Inc | Mequon, WI | 56 | 0 | - |
| Swan Farms | Franksville, WI | 56 | 1 | - |
| Yorkville School District Concession Stand | Union Grove, WI | 56 | 0 | - |
| Sideliners Pub and Grill | Genesee Depot, WI | 56 | 1 | - |
| Greenwood Supper Club Inc | Fish Creek, WI | 56 | 81 | - |
| Trinity Lutheran Ch | Washington Island, WI | 56 | 53 | - |
| Birch Creek | Egg Harbor, WI | 56 | 51 | - |
| Coyote Roadhouse Bar | Baileys Harbor, WI | 56 | 68 | - |
| Generation Lanes | Eldorado, WI | 56 | 4 | - |
| Onward Adc | Rosendale, WI | 56 | 0 | - |
| Down to Earth - Picture This | Eau Claire, WI | 56 | 0 | - |
| Badger Mining Corp Taylor Office | Berlin, WI | 56 | 40 | - |
| Tjj of Maine LLC | Wausau, WI | 56 | 2 | - |
| Patricia Lake Manufactured Housing Community | Stevens Point, WI | 56 | 124 | - |
| Hickory Hills Campground | Edgerton, WI | 55 | 14 | - |
| Whispers Roadhouse | Waterloo, WI | 55 | 0 | - |
| Kountry Keg | Madison, WI | 55 | 0 | - |
| Norsk Golf Bowl | Mt Horeb, WI | 55 | 5 | - |
| Red Mouse | Cross Plains, WI | 55 | 0 | - |
| Midwestern Bio Ag | Blue Mounds, WI | 55 | 0 | - |
| Dane Co Hwy Garage East | Madison, WI | 55 | 88 | - |
| Blooming Grove Montessori | Madison, WI | 55 | 0 | - |
| St Pauls of Sugar Island | Watertown, WI | 55 | 5 | - |
| Hoekstras Market & Greenhouse | Fox Lake, WI | 55 | 0 | - |
| Sandy Hook Tavern | Hazel Green, WI | 55 | 10 | - |
| Decatur Swiss Cheese Coop | Brodhead, WI | 55 | 84 | - |
| Junction House | Monroe, WI | 55 | 7 | - |
| Pinnacle Dairies LLC | Rising City, WI | 55 | 0 | - |
| Folklore Village Farm | Dodgeville, WI | 55 | 0 | - |
| McKay Nursery Corporate Hdqtrs | Waterloo, WI | 55 | 13 | - |
| Blackhawk Club Corp | Ft Atkinson, WI | 55 | 14 | - |
| Willowdale | Janesville, WI | 55 | 43 | - |
| Snuffys Still Inn | Janesville, WI | 55 | 0 | - |
| WI DOT Beloit Swef 19 | Madison, WI | 55 | 21 | - |
| Christmas Mt Oak Villas/Trading Post | Wisconsin Dells, WI | 55 | 124 | - |
| Sauk Co White Mound Park Office Well | Hillpoint, WI | 55 | 0 | - |
| Hillpoint Country Store | Hillpoint, WI | 55 | 0 | - |
| Fire Pitt | Trevor, WI | 55 | 19 | - |
| Diamond Jims Steakhouse | Hales Corners, WI | 55 | 1 | - |
| Hawthorne Hills Co Pk Maintenance Shop | Port Washington, WI | 55 | 0 | - |
| Galleria Offices | Mequon, WI | 55 | 22 | - |
| White Rabbit | River Hills, WI | 55 | 28 | - |
| Pina Cocina & Cantina | Greenfield, WI | 55 | 45 | - |
| Ville Inn The | Kansasville, WI | 55 | 23 | - |