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 |
| Cajun Club | River Falls, WI | 25 | 0 | - |
| Andersen Scout Camp Swanson Lodge | Fort Snelling, WI | 25 | 4 | - |
| Animal Care Center | Hudson, WI | 25 | 0 | - |
| St Croix Co Homestead Parklands on Perch Lake | Hudson, WI | 25 | 10 | - |
| Skydive Twin Cities | Baldwin, WI | 25 | 4 | - |
| Living Word Chapel | Emerald, WI | 25 | 24 | - |
| Bob & Steves Bp Amoco #18 | Menomonie, WI | 25 | 0 | - |
| St Pauls Episcopal Church | Hudson, WI | 25 | 0 | - |
| Prairie View Covenant Church | New Richmond, WI | 25 | 0 | - |
| Faith Baptist Church of Baldwin | Baldwin, WI | 25 | 11 | - |
| Kingdom Hall Jehovahs Witnesses | New Richmond, WI | 25 | 0 | - |
| Somerset Town Hall | Somerset, WI | 25 | 5 | - |
| Star Prairie Convenience | Star Prairie, WI | 25 | 0 | - |
| Pheasant Hills Golf Course | Hammond, WI | 25 | 11 | - |
| New Richmond Church of Christ | New Richmond, WI | 25 | 0 | - |
| B & L Liquor Store | Houlton, WI | 25 | 5 | - |
| Rivard Stone Inc | Houlton, WI | 25 | 0 | - |
| Family of Christ Lutheran Church | Houlton, WI | 25 | 4 | - |
| Teens for Christ | Hudson, WI | 25 | 0 | - |
| Ready Randys & Bob Steves Bp Amoco | New Richmond, WI | 25 | 15 | - |
| Rodeo Center LLC | Lakeland, WI | 25 | 2 | - |
| YMCA Camp St Croix - Farm House | Minneapolis, WI | 25 | 8 | - |
| Cedar Lake Arena | Lake Elmo, WI | 25 | 0 | - |
| WI DNR Willow River Entrance Building | Madison, WI | 25 | 8 | - |
| Redeemer Lutheran Church | Hudson, WI | 25 | 17 | - |
| T D & I Cable Maintenance | Lakeland, WI | 25 | 4 | - |
| Pentecostal Church of New Richmond | Dresser, WI | 25 | 4 | - |
| Rivers Edge Waterslide | Somerset, WI | 25 | 12 | - |
| White Eagle Golf Club House | St Paul, WI | 25 | 0 | - |
| Glenwood Apple Orchard | Glenwood City, WI | 25 | 0 | - |
| St Croix Valley Indoor Tennis Club | Hudson, WI | 25 | 0 | - |
| Hechter Hudson Outpost | Bayport, WI | 25 | 0 | - |
| Osseo Merchants Baseball Park | Osseo, WI | 25 | 11 | - |
| Osseo Community Church | Osseo, WI | 25 | 13 | - |
| Riverland Energy Cooperative | Arcadia, WI | 25 | 10 | - |
| Bethel Evangelecal Lutheran Church | Arcadia, WI | 25 | 0 | - |
| Tamarack Bar | Galesville, WI | 25 | 0 | - |
| Lake Road Cmpgrnd | Trempealeau, WI | 25 | 0 | - |
| Iglesia Pentacostes Lily of the Valley Church | Arcadia, WI | 25 | 0 | - |
| Elmaro Vineyard | Trempealeau, WI | 25 | 13 | - |
| Sullivans Supper Club | Arcadia, WI | 25 | 0 | - |
| Kingdom Hall Jehovahs Witness | Mondovi, WI | 25 | 29 | - |
| Y-Not Bar and Grill | Whitehall, WI | 25 | 14 | - |
| Newcomb Valley Inn | Arcadia, WI | 25 | 0 | - |
| Kings Valley Lutheran Church | Osseo, WI | 25 | 10 | - |
| Kwik Trip 328 Blair | La Crosse, WI | 25 | 11 | - |
| Toads Cove | Arcadia, WI | 25 | 3 | - |
| Trempealeau Co Joe Pietrek Park | Whitehall, WI | 25 | 17 | - |
| Trempealeau National Wildlife Refuge | Trempealeau, WI | 25 | 8 | - |
| WI DNR Perrot St Pk-Entrance Station Well | Madison, WI | 25 | 26 | - |