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 |
| Wil-O-Wood Resort | Ottertail, MN | 28 | 0 | — |
| Western Professional Building | Newfolden, MN | 28 | 0 | — |
| Badger Motel | Badger, MN | 28 | 0 | — |
| North Star Resort | Kabetogama, MN | 28 | 17 | — |
| Hermann, Ott Veterinary Clinic, P.A. | Prior Lake, MN | 28 | 0 | — |
| Bixby Feed Mill | Blooming Prairie, MN | 28 | 0 | — |
| Chippewa Valley Ethanol Company | Benson, MN | 28 | 0 | — |
| Wadena TimberRoots MTD/Round Rafter Shed | Wadena, MN | 28 | 0 | — |
| Brookhaven Development | Shakopee, MN | 27 | 64 | — |
| En-of-Trail Resort | Ponsford, MN | 27 | 0 | — |
| Beacon Harbor Resort | Waskish, MN | 27 | 0 | — |
| Smith's Mill Implement, Inc. | Janesville, MN | 27 | 0 | — |
| Cuyuna Regional Medical Center | Longville, MN | 27 | 0 | — |
| Cozy Cabin Campground | Coon Rapids, MN | 27 | 0 | — |
| Cross-Tech Manufacturing Inc. | Crosslake, MN | 27 | 0 | — |
| Spider Lake Resort | Marcell, MN | 27 | 0 | — |
| Little Bass Lake Resort | Grand Rapids, MN | 27 | 8 | — |
| Countryside Mobile Home Park | Austin, MN | 27 | 11 | — |
| First Choice Vending | St. Cloud, MN | 27 | 0 | — |
| Flom Township | Flom, MN | 26 | 42 | — |
| Aitkin County Parks-Jacobson Campground | Aitkin, MN | 26 | 0 | — |
| Wolf Lake Waterfront Park | Wolf Lake, MN | 26 | 0 | — |
| High Pines Resort | Stillwater, MN | 26 | 0 | — |
| Flour Lake Campground West USFS | Ely, MN | 26 | 0 | — |
| Evergreen Townhomes | Pequot Lakes, MN | 26 | 0 | — |
| Ames Construction-Maintenance Facility | Burnsville, MN | 26 | 0 | — |
| Light of Christ Lutheran/Headstart | Delano, MN | 26 | 15 | — |
| Riverwood Covenant Church | Greenfield, MN | 26 | 15 | — |
| CRH Americas Materials, Inc. | Rogers, MN | 26 | 0 | — |
| Beauty Bay Lodge | Nevis, MN | 26 | 0 | — |
| Cedar Point Resort | Marcell, MN | 26 | 0 | — |
| Dale's on Lake of the Woods | Roosevelt, MN | 26 | 8 | — |
| Colonial Homes | Brookston, MN | 26 | 0 | — |
| Ditch Witch of Minnesota | Shakopee, MN | 26 | 4 | — |
| New Beginnings Lodge #1 | Waverly, MN | 26 | 0 | — |
| Why-Not Park | Isle, MN | 25 | 91 | — |
| Johnson | Johnson, MN | 25 | 36 | — |
| Pioneer Park | Crystal Bay, MN | 25 | 13 | — |
| White Pine Villas | Nisswa, MN | 25 | 6 | — |
| Deer Run Mobile Resort | Grand Rapids, MN | 25 | 3 | — |
| Gentle Breezes Trailer Park | Nevis, MN | 25 | 20 | — |
| River and Woods Mobile Home Park | Pelican Rapids, MN | 25 | 148 | — |
| Riverside Seniors Community | Grasston, MN | 25 | 60 | — |
| Pine Hill Mobile Home Park | Osakis, MN | 25 | 18 | — |
| Grove Place Apartments | Melrose, MN | 25 | 26 | — |
| Cedar Terrace Mobile Home Park | Stillwater, MN | 25 | 42 | — |
| Hilltop Water Company | Scandia, MN | 25 | 17 | — |
| Round Lake Presbyterian Church | McGregor, MN | 25 | 0 | — |
| Shamrock Town Hall | McGregor, MN | 25 | 0 | — |
| Fleming Methodist Church | Aitkin, MN | 25 | 0 | — |