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 |
|---|---|---|---|---|
| Sage Creek Colony | Chester, MT | 130 | 30 | - |
| New Miami Colony | Conrad, MT | 130 | 47 | - |
| Meadow Hills Water and Sewer District | Columbia Falls, MT | 130 | 27 | - |
| Big Stone Colony Inc | Sand Coulee, MT | 130 | 8 | - |
| First Student Inc | Billings, MT | 130 | 567 | - |
| West Valley Pines HOA Inc | Kalispell, MT | 130 | 51 | - |
| Billings Christian Schools | Billings, MT | 130 | 56 | - |
| North Forty Resort | Columbia Falls, MT | 130 | 58 | - |
| Convergence Ministries | Missoula, MT | 130 | 128 | - |
| Stillwater Estates County W and S Dist | Kalispell, MT | 130 | 99 | - |
| Embark at Flathead Valley | Marion, MT | 130 | 18 | - |
| Amazing Ventures Inc | Columbia Falls, MT | 130 | 24 | - |
| Rocking J Ranch | Philipsburg, MT | 130 | 73 | - |
| West Glacier KOA Campground Expansion | West Glacier, MT | 130 | 3 | - |
| Bonner Housing PWS System | Missoula, MT | 128 | 82 | - |
| Beaver Creek Golf Course | Havre, MT | 128 | 164 | - |
| Two Mile Tract HOA | Kalispell, MT | 128 | 15 | - |
| Hildreth Subdivision No 3 | Dillon, MT | 128 | 146 | - |
| Logan Montana State Park | Kalispell, MT | 128 | 12 | - |
| Eureka Ranger Station | Eureka, MT | 127 | 23 | - |
| Judith Gap Town Of | Judith Gap, MT | 126 | 64 | - |
| Pleasant Park Community Inc | Great Falls, MT | 125 | 1,791 | - |
| Geyser Judith Basin Cty Water Sewer Dist | Geyser, MT | 125 | 251 | - |
| Windmill Trailer Park Well 2 | Livingston, MT | 125 | 30 | - |
| Pebble Gardens Mobile Home CT | East Helena, MT | 125 | 38 | - |
| Country Estates Mble Home Park | Columbia Falls, MT | 125 | 74 | - |
| Whitewater School Dist 20Aa D | Whitewater, MT | 125 | 750 | - |
| Yellowtail Dam Gc System | Yellowtail, MT | 125 | 226 | - |
| Golden Eagle Water Users Assn | Billings, MT | 125 | 566 | - |
| Eagle Creek Colony | Galata, MT | 125 | 11 | - |
| Alpine Village Wua | Columbia Falls, MT | 125 | 175 | Detected |
| Culligan Bottled Water Kalispell | Kalispell, MT | 125 | 24 | - |
| Town Pump Butte Comfort Inn | Butte, MT | 125 | 30 | - |
| Lds Church Lolo | Corvallis, MT | 125 | 52 | - |
| Bruckner Truck and Equipment | Missoula, MT | 125 | 473 | - |
| Whitewater Inn | Big Sky, MT | 125 | 192 | - |
| Corvallis Subway | Corvallis, MT | 125 | 6 | - |
| Hobson Town Of | Hobson, MT | 125 | 120 | - |
| West Mountain Estates | Missoula, MT | 125 | 11 | - |
| Abundant Life Church | Bozeman, MT | 125 | 160 | - |
| Billings Christian High School | Billings, MT | 125 | 278 | - |
| Bar N Restaurant | Belgrade, MT | 125 | 43 | - |
| Rimrock Colony | Sunburst, MT | 124 | 16 | - |
| Square Dance Center and Campground | Lolo, MT | 124 | 11 | - |
| Beef N Bone Steakhouse | Ulm, MT | 123 | 33 | - |
| Yellowstone Airport W Yel | West Yellowstone, MT | 123 | 51 | - |
| Whitefish KOA | Whitefish, MT | 123 | 94 | - |
| Quail Ridge | Kalispell, MT | 123 | 0 | - |
| Daly Estates Subdivision | Hamilton, MT | 123 | 92 | - |
| The Benches | Columbia Falls, MT | 123 | 3 | - |