SUNAPEE WATER WORKS
PWS ID: NH2271010 · SUNAPEE, New Hampshire 03782
Population Served
1,680
Total Violations
132
Health-Based Violations
69
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 507
- County
- Sullivan
- School/Daycare
- No
- MCL Violations
- 66
- Monitoring Violations
- 57
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 42 | 2020 |
| Total Haloacetic Acids (HAA5) | MCL | 17 | 2008 |
| Coliform (TCR) | MCL | 7 | 1996 |
| TTHM | MR | 4 | 2004 |
| Chromium | MR | 4 | 1997 |
| CYANIDE | MR | 4 | 1997 |
| Mercury | MR | 4 | 1997 |
| Nickel | MR | 4 | 1997 |
| Selenium | MR | 4 | 1997 |
| Beryllium, Total | MR | 4 | 1997 |
| Fluoride | MR | 4 | 1997 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2004 |
| Cadmium | MR | 4 | 1997 |
| Antimony, Total | MR | 4 | 1997 |
| Barium | MR | 4 | 1997 |
| Arsenic | MR | 4 | 1997 |
| Thallium, Total | MR | 4 | 1997 |
| Surface Water Treatment Rule | TT | 3 | 1998 |
| Coliform (TCR) | MR | 1 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.