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 |
|---|---|---|---|---|
| Fortress of Joy Church | Helena, MT | 200 | 17 | - |
| Sky Eco Rentals LLC | Marion, MT | 200 | 5 | - |
| Ncmrwa Tiber Service Area | Helena, MT | 200 | 86 | - |
| Church at Creston | Kalispell, MT | 200 | 3 | - |
| Go 2 U Water Delivery | Laurel, MT | 200 | 13 | - |
| Glacier International Lodge | Somers, MT | 200 | 0 | - |
| Rocky Mountain Supply Townsend | Townsend, MT | 200 | 12 | - |
| National Water Service Fresh Pure Water | Santa Fe, MT | 200 | 4 | - |
| Park Lake Campground | Helena, MT | 200 | 59 | - |
| Camp Paxson | Missoula, MT | 200 | 24 | - |
| Blue Creek School Dist 3 | Billings, MT | 198 | 23 | - |
| Swan River School Dist 04 | Bigfork, MT | 197 | 78 | - |
| Cayuse Prairie School Dist No 10 | Kalispell, MT | 195 | 4 | - |
| Corral Bar Inc | Gallatin Gateway, MT | 195 | 120 | - |
| Valley Garden Golf Village HOA | Ennis, MT | 195 | 169 | - |
| Greenwood Village RV and MHP | Kalispell, MT | 195 | 51 | - |
| Rocky Mountain Twist | Ronan, MT | 195 | 80 | - |
| Pine Hills Youth Correct Facil | Miles City, MT | 193 | 24 | - |
| McGillivray Campground | Libby, MT | 192 | 51 | - |
| Drummond High School 1 | Drummond, MT | 191 | 242 | - |
| Drummond Elementary School 2 | Drummond, MT | 191 | 628 | - |
| Star Mobile Home Park | Bozeman, MT | 190 | 70 | - |
| Land of Magic Steakhouse | Harrison, MT | 190 | 138 | - |
| Days Inn Missoula Airport | Missoula, MT | 190 | 39 | - |
| Chapel of Praise | Eureka, MT | 188 | 3 | - |
| Still River Estates Subdivision | Billings, MT | 188 | 13 | - |
| Winnett Town Of | Winnett, MT | 187 | 1,002 | - |
| Moore Town Of | Moore, MT | 186 | 30 | - |
| Pele Park | East Helena, MT | 186 | 43 | - |
| Victor Middle School and High School | Victor, MT | 185 | 73 | - |
| Ramshorn View Estates | Townsend, MT | 185 | 934 | - |
| Cherry Creek Wua Glasgow | Glasgow, MT | 180 | 674 | - |
| Richey Town Of | Richey, MT | 180 | 99 | - |
| Saco Town Of | Saco, MT | 180 | 109 | - |
| Sand Coulee Water Users District | Sand Coulee, MT | 180 | 1,072 | - |
| Bair Clark Properties, LLC | Missoula, MT | 180 | 726 | - |
| Simms High School | Simms, MT | 180 | 901 | - |
| Casitas del Mesa MHP | Glendive, MT | 180 | 775 | - |
| Golden Age Village | Emigrant, MT | 180 | 34 | - |
| Tamarack Woods HOA Lakeside | Kalispell, MT | 180 | 30 | - |
| Cross Point Community Church | Missoula, MT | 180 | 98 | - |
| Davis Meadow Village | East Helena, MT | 180 | 218 | - |
| Elkhorn Congregation of Jehovahs Witness | Montana City, MT | 180 | 3 | - |
| Copper Rose Ranch | Livingston, MT | 180 | 9 | - |
| Amsterdam School District 75 | Manhattan, MT | 179 | 114 | - |
| Journey Church | Columbia Falls, MT | 179 | 14 | - |
| Ivanhoe Water Inc | Polson, MT | 178 | 208 | - |
| St Regis School Old Bldg | St Regis, MT | 176 | 84 | - |
| Great Northern Whitewater Resort | West Glacier, MT | 176 | 95 | - |
| Elk Meadows Ranchettes | Huson, MT | 175 | 174 | - |