MERRIMACK VALLEY MONTESSOR SCH
PWS ID: NH2055020 · SALEM, New Hampshire 03079
Population Served
60
Total Violations
48
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Rockingham
- School/Daycare
- Yes
- MCL Violations
- 23
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 23 | 2013 |
| Coliform (TCR) | MR | 12 | 2014 |
| Public Notice | Other | 5 | 2008 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Revised Total Coliform Rule | RPT | 4 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.