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 |
|---|---|---|---|---|
| Deer Park Chalet | Bozeman, MT | 1,500 | 32 | - |
| Cenex Zip Trip Num 50 | Park City, MT | 1,500 | 90 | - |
| University of Providence | Great Falls, MT | 1,472 | 37 | - |
| Boulder City Of | Boulder, MT | 1,400 | 376 | - |
| Ennis Town Of | Ennis, MT | 1,400 | 175 | - |
| Philipsburg Town Of | Philipsburg, MT | 1,360 | 239 | - |
| El Mar Estates Msla Co Water | Missoula, MT | 1,350 | 64 | - |
| Grace Bible Church | Bozeman, MT | 1,350 | 27 | - |
| Chinook City Of | Chinook, MT | 1,300 | 49 | - |
| VA Medical Center Helena | Fort Harrison, MT | 1,275 | 39 | - |
| Black Eagle Cascade County Water Sewer | Black Eagle, MT | 1,233 | 31 | - |
| Lakeside Water System | Lakeside, MT | 1,225 | 16 | - |
| Wheat Montana at Muralts Travel Plaza | Missoula, MT | 1,225 | 118 | - |
| Town Pump Missoula 3 | Butte, MT | 1,221 | 18 | - |
| McGowan Water Cond Inc | Missoula, MT | 1,207 | 43 | - |
| Forest Park Water Rsid 24 | Glendive, MT | 1,200 | 1,742 | - |
| Helena Leisure LLC | Helena, MT | 1,200 | 1,336 | - |
| Town Pump Woodside 1 | Butte, MT | 1,198 | 16 | - |
| Valley Christian Cafeteria | Missoula, MT | 1,146 | 33 | - |
| Hungry Horse Co Water and Sewer District | Hungry Horse, MT | 1,135 | 108 | - |
| Travel Centers of America | Westlake, MT | 1,120 | 203 | - |
| Absarokee Water and Sewer Dist | Absarokee, MT | 1,100 | 405 | - |
| Superior Town Of | Superior, MT | 1,100 | 14 | - |
| Cmrwa Musselshell Judith Rural Water Sys | Roundup, MT | 1,100 | 0 | - |
| Town Pump Florence 1 | Butte, MT | 1,092 | 19 | - |
| Harlowton City Of | Harlowton, MT | 1,050 | 118 | - |
| Loves Travel Stop & Country Store Wye | Oklahoma City, MT | 1,050 | 92 | - |
| Bobs Valley Service Inc | East Helena, MT | 1,032 | 78 | - |
| St Mary Headquarters and Cg | West Glacier, MT | 1,030 | 0 | - |
| Scobey City Of | Scobey, MT | 1,026 | 23 | - |
| Florence Carlton School | Florence, MT | 1,025 | 70 | - |
| Giant Springs State Park | Great Falls, MT | 1,011 | 27 | - |
| Harrington Bottling Co | Butte, MT | 1,001 | 9 | - |
| Fairview Town Of | Fairview, MT | 1,000 | 750 | - |
| White Sulphur Springs City Of | White Sulphur Springs, MT | 1,000 | 1,611 | - |
| Big Sky Conoco Travel Shoppe | Big Sky, MT | 1,000 | 67 | - |
| Greycliff Rest Area Westbound | Billings, MT | 1,000 | 61 | - |
| Logan Pass Visitors Center | West Glacier, MT | 1,000 | 33 | - |
| Prairie Water Company | Great Falls, MT | 1,000 | 91 | - |
| Daves Express Lube | Helena, MT | 966 | 69 | - |
| Deanos Travel Plaza | Missoula, MT | 959 | 69 | - |
| Meadow Lake Co Water and Sewer District | Columbia Falls, MT | 950 | 112 | - |
| Mountain View Coop Lincoln | Black Eagle, MT | 950 | 46 | - |
| Westview Mobile Home Park | Missoula, MT | 947 | 2,111 | - |
| Town Pump Missoula 7 Wye | Butte, MT | 935 | 49 | - |
| Town Pump Dillon 2 | Butte, MT | 924 | 74 | - |
| Town Pump Columbia Falls 2 | Butte, MT | 910 | 9 | - |
| St Mary Lodge and Resort | East Glacier Park, MT | 908 | 37 | - |
| Glacier Bible Camp | Hungry Horse, MT | 903 | 11 | - |
| Culligan Water Conditioning Great Falls | Great Falls, MT | 900 | 22 | Clean |