Public Water Systems
2,263 active public water systems in MT, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Green Investments | Frenchtown, MT | 518 | 340 | - |
| Glacier Raft Company | West Glacier, MT | 515 | 17 | - |
| Missouri River Bar and Grill | Cascade, MT | 512 | 162 | - |
| Wye Area Water System | Missoula, MT | 512 | 93 | - |
| Armington Jct Belt Rest Stop | Great Falls, MT | 510 | 62 | - |
| Caseys Corner Store No 6 | Miami, MT | 510 | 87 | - |
| Trails End Ranch | Ekalaka, MT | 508 | 87 | - |
| Blessed Trinity Catholic Community | Missoula, MT | 508 | 30 | - |
| Peak Health and Wellness Center | Missoula, MT | 506 | 92 | - |
| Zootown Super Stop | Missoula, MT | 504 | 41 | - |
| Fortine Mercantile | Eureka, MT | 504 | 36 | - |
| Eddies Corner | South Jordan, MT | 503 | 25 | - |
| Earthquake Lake Visitor Center | West Yellowstone, MT | 503 | 33 | - |
| Our Lady of the Valley Catholic Church | Helena, MT | 502 | 19 | - |
| Devils Elbow Rec Site | Helena, MT | 501 | 47 | - |
| Fromberg Town Of | Fromberg, MT | 500 | 994 | - |
| Gore Hill County Water Dist | Great Falls, MT | 500 | 332 | - |
| Homestead Acres County Water and Sewer | Great Falls, MT | 500 | 55 | - |
| Highland Park Utilities Assn | Glendive, MT | 500 | 70 | - |
| Ennis S Raynolds Pass Rest Area | Bozeman, MT | 500 | 45 | - |
| Yellowstone Travel Plaza Truck Stop | Livingston, MT | 500 | 52 | - |
| Dutton Rest Stop | Great Falls, MT | 500 | 6 | - |
| Divide Feely North Rest Stop | Butte, MT | 500 | 57 | - |
| Box Elder School District 13G | Box Elder, MT | 500 | 513 | - |
| Divide Feely South Rest Stop | Butte, MT | 500 | 35 | - |
| Hysham Rest Area Westbound | Billings, MT | 500 | 34 | - |
| One Stop | Valier, MT | 500 | 237 | - |
| Big Sky Water Slide Col Falls | Columbia Falls, MT | 500 | 49 | - |
| Headquarters Apgar | West Glacier, MT | 500 | 11 | - |
| Lds Church Columbia Falls | Corvallis, MT | 500 | 8 | - |
| Covered Wagon Mb Hm Park | Lincoln, MT | 500 | 37 | - |
| Canyons Athletic Club The | Hamilton, MT | 500 | 34 | - |
| Sage Lodge | Pray, MT | 500 | 8 | - |
| Missoula KOA & El Mar Tlr Village | Bend, MT | 499 | 30 | - |
| Alberton Town Of | Alberton, MT | 495 | 32 | - |
| McHugh Mobile Home Park | Vancouver, MT | 490 | 85 | - |
| Treasure State Acres Wua | Helena, MT | 483 | 40 | - |
| Lodge Grass Town Of | Lodge Grass, MT | 480 | 1,445 | - |
| Custer Co Water and Sewer Dist | Miles City, MT | 480 | 10 | - |
| Cut Bank North Water District | Cut Bank, MT | 478 | 43 | - |
| Flathead Co Water District No 8 | Columbia Falls, MT | 475 | 558 | - |
| Pryor Creek Water Assn | Huntley, MT | 475 | 166 | - |
| Green Meadow Country Club | Helena, MT | 471 | 235 | - |
| Tri County Water District | Power, MT | 470 | 215 | - |
| Grubstake Lounge and Restaurant | Helena, MT | 470 | 46 | - |
| Bridger Brewing Three Forks | Belgrade, MT | 470 | 0 | - |
| Anaconda Interchange Rest Area | Butte, MT | 465 | 23 | - |
| Olde Dairy | Missoula, MT | 460 | 96 | - |
| Sunburst Town Of | Sunburst, MT | 459 | 243 | - |
| Indian Springs Ranch Sub | Eureka, MT | 455 | 45 | - |