THORNTON CENTRAL SCH
PWS ID: NH2345010 · PLYMOUTH, New Hampshire 03264
Population Served
275
Total Violations
10
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 2
- County
- Grafton
- School/Daycare
- Yes
- MCL Violations
- 2
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 4 | 2012 |
| Nitrate | MR | 4 | 1995 |
| Coliform (TCR) | MCL | 2 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.