PELHAM INDUSTRIAL PARK I
PWS ID: NH1856070 · DERRY, New Hampshire 03038
Population Served
80
Total Violations
117
Health-Based Violations
67
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 28
- County
- Hillsborough
- School/Daycare
- No
- MCL Violations
- 50
- Monitoring Violations
- 46
- Treatment Tech Violations
- 17
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 22 | 2009 |
| Arsenic | MCL | 20 | 2021 |
| Coliform (TCR) | MR | 15 | 2011 |
| Lead and Copper Rule | MR | 10 | 2012 |
| Nitrate | MR | 9 | 2011 |
| Groundwater Rule | TT | 9 | 2013 |
| Lead and Copper Rule | TT | 8 | 2013 |
| Nitrate | MCL | 8 | 1996 |
| Arsenic | MR | 4 | 2011 |
| Public Notice | Other | 4 | 2012 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 1995 |
| Combined Radium (-226 and -228) | MR | 4 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.