NCMRWA TIBER SERVICE AREA
PWS ID: MT0004719 · HELENA, Montana 59624
Population Served
200
Total Violations
86
Health-Based Violations
74
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3
- County
- Liberty
- School/Daycare
- No
- MCL Violations
- 74
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 69 | 2024 |
| TTHM | MR | 6 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2017 |
| TTHM | MCL | 5 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.