CHARLESTOWN WATER WORKS
PWS ID: NH0411010 · CHARLESTOWN, New Hampshire 03603
Population Served
2,850
Total Violations
37
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,250
- County
- Sullivan
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 1991 |
| Lead and Copper Rule | MR | 4 | 2017 |
| Chlorine | MR | 4 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2019 |
| TTHM | MR | 2 | 2019 |
| Consumer Confidence Rule | Other | 2 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.