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 |
|---|---|---|---|---|
| WI DNR Mill Bluff Office | Ontario, WI | 125 | 55 | - |
| YMCA Camp Pepin - Cabins 1 & 2 | Red Wing, WI | 125 | 0 | - |
| Plum City Elementary School | Plum City, WI | 125 | 8 | - |
| Travel Centers of America | Westlake, WI | 125 | 34 | - |
| YMCA Camp St Croix - Bath House | Minneapolis, WI | 125 | 0 | - |
| Belvedere Supper Club | Marshfield, WI | 125 | 2 | - |
| Rhinelander Northwood Golf Course | Rhinelander, WI | 125 | 13 | - |
| Briqs Soft Serve | Wausau, WI | 125 | 20 | - |
| Camp Birch Knoll | Phelps, WI | 125 | 20 | - |
| Dairymens Inc Home Lake | Boulder Junction, WI | 125 | 6 | - |
| Arbor Vitae Town Hall | Arbor Vitae, WI | 125 | 9 | - |
| Luther Point Bible Camp Community Center | Grantsburg, WI | 125 | 3 | - |
| Trailways Inn | Stone Lake, WI | 125 | 14 | - |
| Eberts Greenhouse Village - Retail Store | Ixonia, WI | 124 | 0 | - |
| Elks Club Bpoe 254 | Janesville, WI | 124 | 10 | - |
| Wind Lake Plaza | Wind Lake, WI | 124 | 342 | - |
| Winkler School | Burlington, WI | 124 | 87 | - |
| Maple Terrace Mhc | Barrington, WI | 124 | 12 | - |
| Germantown Learning Center & Childcare | Germantown, WI | 124 | 217 | - |
| Agape Methodist Ministries | New Berlin, WI | 124 | 3 | - |
| Day by Day Discoveries Child Care | New Franken, WI | 124 | 9 | - |
| Mascoutin Country Club Clubhouse | Berlin, WI | 124 | 6 | - |
| Balsam Lake Brick Oven Breads LLC | Saint Croix Falls, WI | 124 | 0 | - |
| Pioneer Transportation LLC | Merrill, WI | 124 | 0 | - |
| Hiawatha Mh Estates Clbhse | Arbor Vitae, WI | 124 | 31 | - |
| Gordon Correctional Center | Madison, WI | 124 | 42 | - |
| National Exchange Bank and Trust | Howards Grove, WI | 123 | 34 | - |
| Kennedy Little League | Madison, WI | 122 | 15 | - |
| Binggs | Whitewater, WI | 122 | 5 | - |
| Bark River Campground - East Area | Jefferson, WI | 122 | 5 | - |
| Walgreens in Thiensville | Milwaukee, WI | 122 | 9 | - |
| Kansasville School | Kansasville, WI | 122 | 15 | - |
| Millis Transfer Inc - Richfield | Black River Falls, WI | 122 | 215 | - |
| Maplewood Sanitary Dist 1 | Maplewood, WI | 122 | 45 | - |
| Camp Vista Main Camp | Campbellsport, WI | 122 | 0 | - |
| Scouting America Gardner Dam Dining Hall | Appleton, WI | 122 | 22 | - |
| Crossway Church North Shore Campus | Milwaukee, WI | 121 | 26 | - |
| Tin Can Roadhouse | Union Grove, WI | 121 | 0 | - |
| Timber Lee Chris Ctr Maple Knoll | East Troy, WI | 121 | 9 | - |
| Treetop View LLC | Madison, WI | 121 | 0 | - |
| Bliffert Lumber | Sun Prairie, WI | 120 | 10 | - |
| Springers | Stoughton, WI | 120 | 5 | - |
| Beaver Dam Country Club | Beaver Dam, WI | 120 | 250 | - |
| Feils Supper Club | Randolph, WI | 120 | 0 | - |
| St Matthews Catholic Church | Horicon, WI | 120 | 14 | - |
| Create-A-Pack Foods | Ixonia, WI | 120 | 8 | - |
| St Pauls Lutheran Church | Hillpoint, WI | 120 | 0 | - |
| Wisconsin Riverside Campground - Seasonal Site Well | Spring Green, WI | 120 | 0 | - |
| Kfc - K3 | Kenosha, WI | 120 | 17 | - |
| Kenilworth Subd | Mequon, WI | 120 | 62 | - |