CASTLE REACH
PWS ID: NH2542140 · NASHUA, New Hampshire 03064
Population Served
115
Total Violations
19
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 46
- County
- Rockingham
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 2
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 8 | 2011 |
| Arsenic | MCL | 5 | 2018 |
| Revised Total Coliform Rule | MCL | 4 | 2021 |
| Chlorine | MR | 2 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.