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 |
|---|---|---|---|---|
| Holmberg Village Estates | Helena, MT | 225 | 164 | - |
| Rimrock Lodge | Thompson Falls, MT | 223 | 114 | - |
| Glens Cafe | Florence, MT | 223 | 57 | - |
| Cottonwood Hills Inc | Bozeman, MT | 222 | 28 | - |
| Hollywood Heights Trailer Park LLC | Missoula, MT | 220 | 187 | - |
| Anderson School | Bozeman, MT | 220 | 208 | - |
| The Nines Subdivision | Billings, MT | 220 | 6 | - |
| Headquarters Building Region 4 | Great Falls, MT | 220 | 18 | - |
| Wade Lake Hilltop Cliff Point Cg | Ennis, MT | 220 | 21 | - |
| Canyon Ferry Lake KOA | Townsend, MT | 218 | 56 | - |
| Under Canvas Paradise Valley | Belgrade, MT | 218 | 0 | - |
| Ennis Hot Springs Business Park Inc | McAllister, MT | 216 | 91 | - |
| Casitas del Rio | Houston, MT | 216 | 207 | - |
| 320 Ranch | Gallatin Gateway, MT | 215 | 95 | - |
| Salish Shores Trade Winds Comm Village | Thompson Falls, MT | 215 | 102 | - |
| Circle H Water Inc | Missoula, MT | 215 | 6 | - |
| Western Ranch Supply | Billings, MT | 215 | 33 | - |
| Murdochs Columbia Falls | Kalispell, MT | 215 | 0 | - |
| Big Hole National Battlefield | Wisdom, MT | 214 | 32 | - |
| Fetty's LLC | Wisdom, MT | 211 | 234 | - |
| Chubbys Bar and Grill | Clancy, MT | 211 | 361 | - |
| Flathead County Water Dist 101 | Columbia Falls, MT | 210 | 712 | - |
| Wagon Wheel Trailer Village | Missoula, MT | 210 | 25 | - |
| Stockett Water and Sewer Dist | Stockett, MT | 210 | 338 | - |
| Sun Canyon Lodge | Augusta, MT | 210 | 54 | - |
| Subway Sandwich Shop Hamilton | Hamilton, MT | 210 | 33 | - |
| Rainbow Ranch Lodge | Big Sky, MT | 210 | 74 | - |
| 7 Point Ranch | Emigrant, MT | 210 | 349 | - |
| Rec Advanced Silicon Materials LLC | Silver Bow, MT | 210 | 15 | - |
| Glacier Point Ho and Wua | Helena, MT | 210 | 58 | - |
| Wise River Club | Butte, MT | 208 | 132 | - |
| Wilderness Plateau Water and Sewer Dist | Troy, MT | 208 | 253 | - |
| East Gate Work Camp | Gardiner, MT | 208 | 35 | - |
| Happy Valley Water Dist B Kspl | Columbia Falls, MT | 207 | 253 | - |
| Goodan Keil Co Water Dist | Missoula, MT | 207 | 329 | - |
| Florence Coffee Corvallis | Missoula, MT | 207 | 0 | - |
| Big Horn Co Historical Museum | Hardin, MT | 206 | 34 | - |
| Power Teton County Water Dist | Power, MT | 205 | 133 | - |
| Belfry Carbon Co Water and Sewer Dist | Belfry, MT | 205 | 20 | - |
| Kts Hayloft Saloon | Missoula, MT | 205 | 34 | - |
| Flathead Lake Lodge | Bigfork, MT | 205 | 85 | - |
| Blue Moon Nite Club Col Falls | Columbia Falls, MT | 205 | 40 | - |
| North Point Bar & Grill | Eureka, MT | 205 | 176 | - |
| Lazy I Public House, LLC Dba Lazy I Beer | Wolf Creek, MT | 205 | 172 | - |
| Silos Junction | Townsend, MT | 205 | 178 | - |
| Beartooth Christian Camp | Fishtail, MT | 205 | 82 | - |
| Bridge Creek Estates Subdivision | East Helena, MT | 205 | 94 | - |
| Lion Mountain Homeowners Assoc | Columbia Falls, MT | 204 | 46 | - |
| Travelers Inn Bar | St. Regis, MT | 204 | 22 | - |
| Talking Bird Saloon | St. Regis, MT | 204 | 18 | - |