Montana State Prison
PWSID: MT0000198
System Details
| Population Served | 2,100 |
| Service Connections | 53 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | State |
| Status | Active |
| City | Deer Lodge |
| Zip Code | 59722 |
Areas Served
- Deer Lodge, Powell County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-10-01 | | Open |
| | 2025-07-01 | | Open |
Violation History (10 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | Major | Returned to Compliance |
| | 2024-12-30 | | Returned to Compliance |
| | 2024-11-06 | Major | Returned to Compliance |
| | 2024-11-01 | | Returned to Compliance |
| | 2021-12-30 | | Returned to Compliance |
| | 2020-01-01 | Major | Acknowledged |
| | 2010-01-01 | | Returned to Compliance |
| | 2004-10-01 | | Returned to Compliance |