Shelby, Montana Water Violations
8 water systems serve Shelby, Montana, providing drinking water to an estimated 4,895 people. These systems have 16 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.
Select a water system below to see its full violation history, lead and copper testing results, and compliance status.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Oilmont County Water District | 300 | Groundwater | 142 | 11 |
| Marias Valley Golf and Country Club | 105 | Groundwater | 12 | 3 |
| Devon Water Inc | 75 | Groundwater Purchased | 76 | 2 |
| Ncmrwa North Shelby | 300 | Groundwater Purchased | 18 | 0 |
| Shelby City of | 3,970 | Groundwater | 9 | 0 |
| Lewis and Clark RV Park | 25 | Groundwater Purchased | 5 | 0 |
| Ethridge County Water District | 70 | Groundwater Purchased | 4 | 0 |
| Albertsons Shelby No 2014 | 50 | Groundwater Purchased | 0 | 0 |