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 |
| Tiger Nutrition | Poplar, WI | 25 | 9 | - |
| Superior Town Hall | Superior, WI | 25 | 2 | - |
| Twin Gables Cafe | Poplar, WI | 25 | 2 | - |
| Mont Du Lac Ski Area | Superior, WI | 25 | 2 | - |
| Wabegon Bar and Grill | Superior, WI | 25 | 3 | - |
| Brule River Cmpgd and Motel | Brule, WI | 25 | 26 | - |
| Kro Bar | Brule, WI | 25 | 2 | - |
| Dreamland Supper Club LLC | South Range, WI | 25 | 0 | - |
| Riverside Bar and Grill | Haughton, WI | 25 | 0 | - |
| Loiselles Lakeview Lodge | Solon Springs, WI | 25 | 0 | - |
| Beer Stone Bar and Grill | Minong, WI | 25 | 5 | - |
| St William Catholic Church | Superior, WI | 25 | 2 | - |
| Drifters Trail | Superior, WI | 25 | 12 | - |
| Moose Junction Bar | Dairyland, WI | 25 | 11 | - |
| North View Campground | Gordon, WI | 25 | 2 | - |
| Shore Club on Red Lake Bar | Woodbury, WI | 25 | 0 | - |
| Marshs View Point Resort | Farmington, WI | 25 | 0 | - |
| Crystal Lake Cmpgrd Tavern | Wascott, WI | 25 | 19 | - |
| Up North Resort | Gordon, WI | 25 | 14 | - |
| Dairyland Townhall | Dairyland, WI | 25 | 6 | - |
| Charlie Browns Campground East Well | Gordon, WI | 25 | 14 | - |
| Halfway Bar and Grill | Gordon, WI | 25 | 11 | - |
| Lookout The | Gordon, WI | 25 | 5 | - |
| Cranberry Lake Resort and Campground | South Saint Paul, WI | 25 | 33 | - |
| Camp Roundelay Andreson | Duluth, WI | 25 | 8 | - |
| Camp Roundelay Ordeen | Duluth, WI | 25 | 0 | - |
| Shore Club on Red Lake Cabins | Woodbury, WI | 25 | 17 | - |
| Our Saviors Lutheran Church | Solon Springs, WI | 25 | 2 | - |
| Soft Pines Resort Restaurant | Solon Springs, WI | 25 | 6 | - |
| Soft Pines Resort Cabins | Solon Springs, WI | 25 | 0 | - |
| Swansons Motel and Campground Motel | Solon Springs, WI | 25 | 0 | - |
| Swansons Motel and Campground Cmpg 2 Bath House Well | Solon Springs, WI | 25 | 0 | - |
| Douglas Co Gordon Dam Park Handpump | Solon Springs, WI | 25 | 16 | - |
| Douglas Co Anna Gene Park | Solon Springs, WI | 25 | 0 | - |
| Douglas Co Mooney Dam Park | Solon Springs, WI | 25 | 0 | - |
| Camp Jackpine | Wascott, WI | 25 | 13 | - |
| Steel Horse Saloon and Grill | Woodbury, WI | 25 | 17 | - |
| Kettle Bar and Grill | Superior, WI | 25 | 15 | - |
| WI DNR Brule River State Forest Bois Brule Campground | Brule, WI | 25 | 26 | - |
| WI DNR Brule River State Forest Highway 2 Canoe Landing | Brule, WI | 25 | 26 | - |
| WI DNR Brule River State Forest St Croix Boat Landing | Brule, WI | 25 | 4 | - |
| Pokees Pub and Grub | Hayward, WI | 25 | 0 | - |
| WI DNR Brule River State Forest Wayside | Brule, WI | 25 | 12 | - |
| Waskos Lakeshore Campground 1 | Lake Nebagamon, WI | 25 | 0 | - |
| Superior Douglas Co Family YMCA Camp | Superior, WI | 25 | 0 | - |
| Assembly Park Bible Camp Kitchen | Lake Nebagamon, WI | 25 | 2 | - |
| Camp Amnicon | South Range, WI | 25 | 6 | - |
| St Croix Presbyterian Church | Gordon, WI | 25 | 2 | - |
| Chubby Cheeks | Gordon, WI | 25 | 0 | - |
| Assembly Park Bible Camp Shower House | Lake Nebagamon, WI | 25 | 4 | - |