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 |
|---|---|---|---|---|
| Nelson Bus Service Inc | Whitewater, WI | 45 | 0 | - |
| French Country Inn Main Building and Restaurant | Lake Geneva, WI | 45 | 28 | - |
| MD Saloon | Wales, WI | 45 | 4 | - |
| Country Court Subdivision | Brookfield, WI | 45 | 1 | - |
| Rogers Mem Hosp - Hrc | Oconomowoc, WI | 45 | 0 | - |
| Brewfinity Brewing Co | Oconomowoc, WI | 45 | 0 | - |
| Belfre-Kitchen | Cudahy, WI | 45 | 0 | - |
| 440 Wells St | Delafield, WI | 45 | 0 | - |
| 524 Milwaukee St | Delafield, WI | 45 | 0 | - |
| Eugsters Farm Market | Stoughton, WI | 45 | 0 | - |
| Our Lady of Good Success Academy | DE Pere, WI | 45 | 0 | - |
| Wiese Brothers Farm New Dairy | Greenleaf, WI | 45 | 0 | - |
| Wiese Brothers Farm Old Dairy | Greenleaf, WI | 45 | 0 | - |
| Ridges Sanctuary Office | Baileys Harbor, WI | 45 | 26 | - |
| Spruce and Shore Motel | Jackson, WI | 45 | 36 | - |
| Cedar Court Inn | Fish Creek, WI | 45 | 48 | - |
| Trinity Lutheran School | Campbellsport, WI | 45 | 162 | - |
| J V Kids LLC | Casco, WI | 45 | 7 | - |
| Nigrelli Inc | Kiel, WI | 45 | 0 | - |
| Schuette Mfg & Steel Sales Inc | Manitowoc, WI | 45 | 0 | - |
| Henning Cheese | Kiel, WI | 45 | 0 | - |
| Aquamaster | Kiel, WI | 45 | 0 | - |
| Smart Start Daycare Inc | Montello, WI | 45 | 4 | - |
| Green Valley Dairy LLC | Krakow, WI | 45 | 222 | - |
| Wolf River Luth Hs | Shawano, WI | 45 | 0 | - |
| Genex Cooperative Inc | Shawano, WI | 45 | 18 | - |
| Shelmet Precision Casting | Wild Rose, WI | 45 | 4 | - |
| Mt Morris Mutual Ins Co | Coloma, WI | 45 | 0 | - |
| Gospel Mennonite School | Almena, WI | 45 | 77 | - |
| Harvestime Church Bloomer | Bloomer, WI | 45 | 24 | - |
| Country Kids Childcare & Preschool | Bloomer, WI | 45 | 222 | - |
| Hydra Coffee | Chippewa Falls, WI | 45 | 0 | - |
| Riviera The | Merrillan, WI | 45 | 0 | - |
| Spencer Amish Church | Spencer, WI | 45 | 0 | - |
| Nedland Industries | Ridgeland, WI | 45 | 21 | - |
| West Akers Lutheran Church | Prairie Farm, WI | 45 | 3 | - |
| Smart Sand Blair LLC | Tomah, WI | 45 | 47 | - |
| Wieser Concrete Products Inc | Maiden Rock, WI | 45 | 75 | - |
| Plummer Concrete & Associates Inc | Ellsworth, WI | 45 | 0 | - |
| Port Valhalla 2 Shoreview | Amery, WI | 45 | 6 | - |
| St Croix Therapy | Hudson, WI | 45 | 8 | - |
| Smart Sand Blair LLC Dry Plant | Tomah, WI | 45 | 2 | - |
| 3Bs Little Summit | Lavalle, WI | 45 | 12 | - |
| Stainless Specialist Inc | Wausau, WI | 45 | 141 | - |
| Spencer Church of Christ | Spencer, WI | 45 | 5 | - |
| Towering Pines Clear Lake Well | Northfield, WI | 45 | 0 | - |
| Camp American Legion | Lake Tomahawk, WI | 45 | 11 | - |
| Tomorrow River Bp | Amherst, WI | 45 | 0 | - |
| Goochs 2 Bar & Grill | Boulder Junction, WI | 45 | 17 | - |
| Backdraft BBQ LLC Gresham Lodge | Minocqua, WI | 45 | 0 | - |