Hardin City Of
PWSID MT0000235 · Hardin, Montana · serves 3,500 people · surface water source
A
Excellent
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | TTHM | MR | No | Resolved |
| 2025-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |