MONROE WATER DEPT
PWS ID: NH1591010 · MONROE, New Hampshire 03771
Population Served
300
Total Violations
81
Health-Based Violations
65
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 168
- County
- Grafton
- School/Daycare
- No
- MCL Violations
- 65
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 39 | 2013 |
| Coliform (TCR) | MCL | 26 | 2013 |
| E. COLI | MR | 4 | 2011 |
| Coliform (TCR) | MR | 4 | 1998 |
| Lead and Copper Rule | MR | 2 | 2006 |
| Combined Radium (-226 and -228) | MR | 2 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.