MONADNOCK STATE PARK/MAIN
PWS ID: NH1227010 · ALLENSTOWN, New Hampshire 03275
Population Served
200
Total Violations
32
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 12
- County
- Cheshire
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 12 | 2024 |
| Revised Total Coliform Rule | RPT | 12 | 2024 |
| E. COLI | MR | 4 | 2019 |
| Coliform (TCR) | MR | 4 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.