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 |
|---|---|---|---|---|
| Montana Expo Park Cascade County | Great Falls, MT | 2,510 | 25 | - |
| Conrad Water Dept | Conrad, MT | 2,500 | 20 | - |
| Greycliff Rest Area Eastbound | Billings, MT | 2,500 | 119 | - |
| Ronan City Of | Ronan, MT | 2,483 | 259 | - |
| Town Pump Bonner 1 | Butte, MT | 2,460 | 248 | - |
| Wheat Montana Bakery | Three Forks, MT | 2,453 | 104 | - |
| Big Mountain Water Company | Whitefish, MT | 2,435 | 415 | - |
| Colstrip City Of | Colstrip, MT | 2,350 | 133 | - |
| Forsyth City Of | Forsyth, MT | 2,260 | 665 | - |
| Town Pump Three Forks 1 | Butte, MT | 2,245 | 934 | - |
| Rae Water and Sewer Dist 313 | Bozeman, MT | 2,220 | 158 | - |
| Pablo Lake County Water and Sewer Dist | Pablo, MT | 2,175 | 69 | - |
| East Helena City Of | East Helena, MT | 2,114 | 44 | - |
| Montana State Prison | Deer Lodge, MT | 2,100 | 62 | - |
| Troy City Of | Troy, MT | 2,100 | 34 | - |
| Gallatin Speedway | Bozeman, MT | 2,100 | 51 | - |
| Stevensville Town Of | Stevensville, MT | 2,090 | 76 | - |
| Little Bighorn Battlefield NM | Crow Agency, MT | 2,020 | 42 | - |
| Red Lodge Mtn Main Lodge | Red Lodge, MT | 2,006 | 28 | - |
| Clearwater Junction Rest Area | Missoula, MT | 2,002 | 57 | - |
| Red Lodge Water Dept | Red Lodge, MT | 2,000 | 27 | - |
| Townsend City Of | Townsend, MT | 2,000 | 332 | - |
| Eastgate Village Sewer and Water | East Helena, MT | 2,000 | 18 | - |
| Bearmouth Rest Stop Eastbound | Missoula, MT | 2,000 | 47 | - |
| Bearmouth Rest Stop Westbound | Missoula, MT | 2,000 | 105 | - |
| Dena Mora Saltese West Rest | Missoula, MT | 2,000 | 68 | - |
| Eureka Town Of | Eureka, MT | 1,995 | 75 | - |
| Fairmont Hot Springs Resort | Anaconda, MT | 1,965 | 76 | - |
| Thompson Falls City Of | Thompson Falls, MT | 1,950 | 38 | - |
| Msu Northern | Havre, MT | 1,937 | 10 | - |
| Columbus Town Of | Columbus, MT | 1,900 | 188 | - |
| Roundup Water Department | Roundup, MT | 1,900 | 37 | - |
| Three Forks City Of | Three Forks, MT | 1,900 | 162 | - |
| Baker City Of | Baker, MT | 1,858 | 946 | - |
| Malta City Of | Malta, MT | 1,800 | 3,072 | - |
| Manhattan Town Of | Manhattan, MT | 1,800 | 224 | - |
| Sun Prairie Village County | Great Falls, MT | 1,800 | 581 | Clean |
| Super One Food Store | Stevensville, MT | 1,769 | 335 | - |
| Hill County Water Districts | Hingham, MT | 1,720 | 380 | - |
| Plains Town Of | Plains, MT | 1,700 | 373 | - |
| Plentywood Water Department | Plentywood, MT | 1,700 | 4 | - |
| Choteau City Of | Choteau, MT | 1,691 | 37 | - |
| Big Timber City Of | Big Timber, MT | 1,650 | 108 | - |
| Seeley Lake Water District | Seeley Lake, MT | 1,575 | 187 | - |
| Town Pump Lolo 2 | Butte, MT | 1,556 | 44 | - |
| Blue Basket Market Bozeman | Billings, MT | 1,508 | 72 | - |
| Bridger Bowl Base | Bozeman, MT | 1,507 | 46 | - |
| Fort Benton City Of | Fort Benton, MT | 1,500 | 34 | - |
| Virginia City Water Dept | Virginia City, MT | 1,500 | 162 | - |
| Whitehall Town Of | Whitehall, MT | 1,500 | 689 | - |