Public Water Systems
6,557 active public water systems in MN, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| Timberwolf Inn | Marcell, MN | 50 | 0 | — |
| Riechen's Seasonal RV Park | Deer River, MN | 50 | 5 | — |
| Spring Brook Golf Course | Mora, MN | 50 | 7 | — |
| The Crow's Nest Resort | Mora, MN | 50 | 0 | — |
| AmericInn of Mora | Mora, MN | 50 | 0 | — |
| Holistic Homestead Farm Boutique | Brook Park, MN | 50 | 0 | — |
| Christianson Systems, Inc. | Blomkest, MN | 50 | 0 | — |
| St. John's Lutheran Church | Pennock, MN | 50 | 0 | — |
| Black River Mennonite Church | Loman, MN | 50 | 7 | — |
| Northwoods Bible Church | Ray, MN | 50 | 0 | — |
| Crossroads Lutheran Congregation | Dawson, MN | 50 | 0 | — |
| Lac qui Parle County Park | Madison, MN | 50 | 0 | — |
| Midwest Machinery-Madison | Madison, MN | 50 | 0 | — |
| Lax Lake Resort & Campgrounds | Silver Bay, MN | 50 | 21 | — |
| Split Rock Cabins | Two Harbors, MN | 50 | 7 | — |
| Knife River Lutheran Church | Knife River, MN | 50 | 0 | — |
| Knife River Campground | Knife River, MN | 50 | 14 | — |
| Pine Point Lodge | Ely, MN | 50 | 0 | — |
| Latourell's Resort and Outfitters | Ely, MN | 50 | 14 | — |
| Voyageur Outward Bound School | Ely, MN | 50 | 7 | — |
| Camp Voyageur | Ely, MN | 50 | 0 | — |
| Long Point Resort | Williams, MN | 50 | 1 | — |
| Bayview Lodge | Baudette, MN | 50 | 0 | — |
| The Hawk Tavern | Salol, MN | 50 | 0 | — |
| Mount Carmel Lutheran Church | Roosevelt, MN | 50 | 0 | — |
| Lake Road Chapel | Williams, MN | 50 | 0 | — |
| The Wilderness Bar and Grill | Williams, MN | 50 | 0 | — |
| Bugsy's on Bostic | Baudette, MN | 50 | 0 | — |
| Traxler's Hunting Preserve | Le Center, MN | 50 | 0 | — |
| Mahnomen Country Club | Mahnomen, MN | 50 | 0 | — |
| Riverview LLP-Waukon Dairy | Morris, MN | 50 | 0 | — |
| United Lutheran Church | Gatzke, MN | 50 | 0 | — |
| Old Mill State Park | Lake Bronson, MN | 50 | 0 | — |
| East Chain United Methodist Church | Fairmont, MN | 50 | 14 | — |
| Lamson Evangelical Free Church | Dassel, MN | 50 | 7 | — |
| Haug Implement Company | Litchfield, MN | 50 | 0 | — |
| Riverside Store and Tavern | Watkins, MN | 50 | 0 | — |
| Millner Heritage Vineyard and Winery | Dassel, MN | 50 | 0 | — |
| Spirit of Ripley Campground | Litchfield, MN | 50 | 0 | — |
| Mille Lacs Wildlife Mgmt. Headquarters | Onamia, MN | 50 | 7 | — |
| Camp Onomia | Onamia, MN | 50 | 8 | — |
| Fiddlestix RV & Golf Course | Isle, MN | 50 | 0 | — |
| Princeton Lanes and Lounge | Princeton, MN | 50 | 0 | — |
| Mac's Twin Bay Resort | Isle, MN | 50 | 9 | — |
| Harding Bar & Grill | Pierz, MN | 50 | 4 | — |
| Auger's Pine View Resort | Motley, MN | 50 | 12 | — |
| Bethany Lutheran Church of Ramey | Foley, MN | 50 | 0 | — |
| Genola Memorial Park | Pierz, MN | 50 | 11 | — |
| The Rock | Little Falls, MN | 50 | 19 | — |
| Hard Times in Hillman | Hillman, MN | 50 | 7 | — |