CARDIGAN MOUNTAIN SCH
PWS ID: NH0354010 · CANAAN, New Hampshire 03741
Population Served
300
Total Violations
41
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 23
- County
- Grafton
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 24
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 14 | 2019 |
| Coliform (TCR) | MCL | 11 | 1991 |
| Consumer Confidence Rule | Other | 6 | 2017 |
| Nitrate | MR | 4 | 1995 |
| Lead and Copper Rule | MR | 2 | 2024 |
| TTHM | MR | 2 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.