Hardin, Montana Water Violations
10 water systems serve Hardin, Montana, providing drinking water to an estimated 5,726 people. These systems have 7 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 |
|---|---|---|---|---|
| Yellowtail Dam Powerplant and Visitor Ce | 48 | Surface Water | 16 | 4 |
| Absaloka Mine | 80 | Surface Water Purchased | 8 | 3 |
| Wegner Water Service Hauler | 50 | Surface Water Purchased | 84 | 0 |
| Hardin City of | 3,500 | Surface Water | 13 | 0 |
| Hardin Koa Cistern | 100 | Surface Water Purchased | 13 | 0 |
| Yellowtail Dam Gc System | 125 | Groundwater | 11 | 0 |
| Hardin Westbound Rest Area | 715 | Groundwater | 5 | 0 |
| Hardin Eastbound Rest Area | 877 | Groundwater | 4 | 0 |
| Big Horn Co Historical Museum | 206 | Surface Water Purchased | 1 | 0 |
| Reese and Ray Iga Hardin | 25 | Surface Water Purchased | 0 | 0 |