ONE STOP
PWS ID: MT0002841 · VALIER, Montana 59486
Population Served
500
Total Violations
237
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Sanders
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 231
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 144 | 2015 |
| Revised Total Coliform Rule | MON | 34 | 2025 |
| Nitrate-Nitrite | MR | 21 | 2024 |
| E. COLI | MR | 19 | 2024 |
| Nitrate | MR | 13 | 1999 |
| Revised Total Coliform Rule | TT | 4 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.