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 |
|---|---|---|---|---|
| Flat Creek Mercantile Unapproved | Wolf Creek, MT | 25 | 0 | - |
| Jo Bonner Cg Magpie Shop | Helena, MT | 25 | 43 | - |
| Yellow Bay Flathead Mt St Park | Kalispell, MT | 25 | 46 | - |
| Beavertail Hill State Park | Missoula, MT | 25 | 3 | - |
| Cooney St Pk Marshall Cove Cg | Billings, MT | 25 | 86 | - |
| Intake Fishing Access Site | Glendive, MT | 25 | 33 | - |
| Medicine Rocks State Park | Miles City, MT | 25 | 63 | - |
| Makoshika State Park | Miles City, MT | 25 | 89 | - |
| Lost Creek State Park | Whitehall, MT | 25 | 11 | - |
| Cooney St Pk Red Lodge Creek Cg | Billings, MT | 25 | 27 | - |
| Colter Cg and Cooke WC | Gardiner, MT | 25 | 70 | - |
| Barretts Diversion Dam Cg South | Dillon, MT | 25 | 27 | - |
| Kootenai Lodge Estates | Bigfork, MT | 24 | 0 | - |
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