NASHUA TOWN OF
PWS ID: MT0000297 · NASHUA, Montana 59248
Population Served
300
Total Violations
172
Health-Based Violations
21
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 191
- County
- Valley
- School/Daycare
- No
- MCL Violations
- 21
- Monitoring Violations
- 127
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 56 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 25 | 2024 |
| TTHM | MR | 25 | 2024 |
| Lead and Copper Rule | MR | 15 | 2022 |
| Coliform (TCR) | MCL | 12 | 2009 |
| TTHM | MCL | 9 | 2016 |
| Consumer Confidence Rule | Other | 9 | 2025 |
| Coliform (TCR) | MR | 4 | 1997 |
| Nitrate | MR | 1 | 1993 |
| Arsenic | MR | 1 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.