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 |
|---|---|---|---|---|
| VFW Post 2306 | Beloit, WI | 135 | 0 | - |
| River Centre West Well | Cedarburg, WI | 135 | 72 | - |
| Yellow Rock Real Estate | Mequon, WI | 135 | 16 | - |
| Oaks The | Egg Harbor, WI | 135 | 283 | - |
| Frenchmans Landing Campground | Inependence, WI | 135 | 19 | - |
| Western Technical College-Sparta | La Crosse, WI | 135 | 2 | - |
| Hudson Town Hall | Hudson, WI | 135 | 0 | - |
| Cent Wis Env Center Bathhouse | Amherst Junction, WI | 135 | 0 | - |
| Schaumburg Supper Club | Randolph, WI | 134 | 5 | - |
| Oak Ridge Mobile Com 1 & 2 | Farmington Hills, WI | 133 | 54 | - |
| Buzdums Pub | Germantown, WI | 133 | 22 | - |
| Tabor Global Methodist Church | Eden, WI | 133 | 5 | - |
| Uw Stevens Pt Treehaven Field Station | Tomahawk, WI | 133 | 2 | - |
| McNaughton Correctional Center | Lake Tomahawk, WI | 133 | 231 | - |
| Faith Bible Alliance Church | Neosho, WI | 132 | 4 | - |
| Discovery Days II | Wind Lake, WI | 132 | 115 | - |
| Mercury Racing | Fond Du Lac, WI | 132 | 60 | - |
| Maranatha Academy Inc | Superior, WI | 132 | 80 | - |
| Madison Campground | Deforest, WI | 131 | 0 | - |
| Messiah Lutheran Church & Christian Preschool | Twin Lakes, WI | 131 | 16 | - |
| Reek School | Lake Geneva, WI | 131 | 96 | - |
| Diesel Driving School | Sun Prairie, WI | 130 | 141 | - |
| Tpc Wisconsin Clubhouse | Madison, WI | 130 | 105 | - |
| VFW Post 3709 -Beaudoin-Koehler-Draeger | Watertown, WI | 130 | 10 | - |
| V & V Supremo - Chula Vista Cheese | Chicago, WI | 130 | 0 | - |
| Oakhill Waterworks | Edgerton, WI | 130 | 85 | - |
| Riteway of Spring Green LLC | Spring Green, WI | 130 | 0 | - |
| Century Estates 1 | Thiensville, WI | 130 | 17 | - |
| Village Heights | Thiensville, WI | 130 | 33 | - |
| Vintage Estates | Mequon, WI | 130 | 4 | - |
| East Towne Square 1340 | Mequon, WI | 130 | 116 | - |
| Wood School Dist 4 | N2575 Snake RD, WI | 130 | 90 | - |
| Salvation Army Lake Camp Main & Aux Well | East Troy, WI | 130 | 19 | - |
| Timmers Resort | West Bend, WI | 130 | 2 | - |
| Dental Health Products Inc | New Franken, WI | 130 | 14 | - |
| Heritage Lake Resort | Egg Harbor, WI | 130 | 91 | - |
| St Pauls Lutheran Ch Manchester | Manchester, WI | 130 | 5 | - |
| Oxford Bible Ch | Oxford, WI | 130 | 5 | - |
| Johnsonville Tech Center | Sheboygan Falls, WI | 130 | 0 | - |
| Wyeville Elementary School | Tomah, WI | 130 | 14 | - |
| WI DNR Willow River Grp Cmpgd | Madison, WI | 130 | 10 | - |
| Gleason Mennonite Church & School | Gleason, WI | 130 | 0 | - |
| Boardwalk Mhc LLC | Marshfield, WI | 130 | 32 | - |
| Chippewa Ranch Camp Pumphouse | Eagle River, WI | 130 | 3 | - |
| Kid Central | Webster, WI | 130 | 8 | - |
| Fromm Family Foods Columbus | Columbus, WI | 129 | 0 | - |
| Village Bar | Kieler, WI | 129 | 31 | - |
| Lake Ripley Lanes | Cambridge, WI | 129 | 0 | - |
| Nugget Nation Mke/Cream City Music | Elm Grove, WI | 129 | 0 | - |
| St Paul Christian Church | Elkhart, WI | 129 | 19 | - |