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 |
|---|---|---|---|---|
| Sartorie Legacy Homes | Billings, MT | 35 | 3 | - |
| Fish Wildlife and Parks R2 Headquarters | Missoula, MT | 35 | 25 | - |
| Libby Dam RV Park | Libby, MT | 34 | 63 | - |
| Weyerhaeuser Mdf | Seattle, MT | 34 | 32 | - |
| Crystal Lake Subdivision HOA | Fortine, MT | 34 | 176 | - |
| Alley Cat Bowling and Bar The | Choteau, MT | 34 | 16 | - |
| Family Life Christian Church | Kalispell, MT | 34 | 118 | - |
| Ryans Lot | Hermosa Beach, MT | 34 | 788 | - |
| Rock Creek Cattle Company Golf Course | Deer Lodge, MT | 34 | 15 | - |
| Stay Express Inn Hamilton | Missoula, MT | 33 | 23 | - |
| North Davis Duplexes 421 | Missoula, MT | 33 | 220 | - |
| At Home Assisted Living | Missoula, MT | 33 | 73 | - |
| Diamond S RV Park Ronan | Ronan, MT | 33 | 51 | - |
| Columbus Iga | Ranchester, MT | 33 | 12 | - |
| Buffalo Ranch Water Company | Pray, MT | 33 | 0 | - |
| Grassy Mountain Ranch | White Sulphur Springs, MT | 33 | 24 | - |
| Allens Manix Store | Augusta, MT | 33 | 30 | - |
| Riverview Overlook HOA | Kalispell, MT | 33 | 30 | - |
| Hadley Road HOA | Kalispell, MT | 33 | 6 | - |
| Teton Adventist Christian School | Choteau, MT | 33 | 257 | - |
| Crown of the Continent DC | Coram, MT | 33 | 13 | - |
| Peters - Priske Apartments Missoula | Missoula, MT | 33 | 152 | - |
| Libby Work Center | Libby, MT | 33 | 13 | - |
| St Regis Work Center | Superior, MT | 33 | 21 | - |
| Recovery Centers of Montana | Kalispell, MT | 32 | 21 | - |
| Canyon Pines HOA | Missoula, MT | 32 | 554 | - |
| Jefferson Lines | Minneapolis, MT | 32 | 159 | - |
| Glacier Wilderness Resort | West Glacier, MT | 32 | 75 | - |
| Mp Water Inc | Columbia Falls, MT | 32 | 15 | - |
| River Bluff HOA Whitefish | Bigfork, MT | 32 | 6 | - |
| Wapiti Acres County Water and Sewer Dist | Kalispell, MT | 32 | 31 | - |
| Magris Talc USA, Inc Yellowstone Mine | Three Forks, MT | 32 | 62 | - |
| Dorr Skeel Campground | Troy, MT | 32 | 60 | - |
| B and Js Convenience Store | Alzada, MT | 32 | 70 | - |
| Great Bear Estates | Columbia Falls, MT | 32 | 125 | - |
| Lincoln Senior Citizens Center | Helena, MT | 32 | 17 | - |
| Terraces at Somers Bay | Somers, MT | 32 | 6 | - |
| Hidden Meadow Management LLC | Columbia Falls, MT | 32 | 66 | - |
| Wildwood Brewing Inc | Stevensville, MT | 32 | 29 | - |
| Pray Cafe | Gardiner, MT | 32 | 31 | - |
| Clear View Horizon Academy Unapproved | Heron, MT | 32 | 154 | - |
| Bad Medicine Campground | Troy, MT | 32 | 9 | - |
| Stoneville Saloon | Alzada, MT | 31 | 36 | - |
| Bmp Lincoln Rentals LLC | Bozeman, MT | 31 | 1,191 | - |
| Kootenai General Store | Rexford, MT | 31 | 62 | - |
| Eyes Up LLC | Kila, MT | 31 | 18 | - |
| Deemer Creek Business Park | Plains, MT | 31 | 6 | - |
| Wild Coyote Saloon | Thompson Falls, MT | 31 | 64 | - |
| Koocanusa Brewery | Eureka, MT | 31 | 3 | - |
| Big Creek Outdoor Educ Center | Kalispell, MT | 31 | 84 | - |