SQUAM LAKE SCIENCE CENTER
PWS ID: NH1167160 · HOLDERNESS, New Hampshire 03245
Population Served
75
Total Violations
51
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 4
- County
- Grafton
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 32
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2013 |
| E. COLI | MR | 12 | 2017 |
| Revised Total Coliform Rule | RPT | 8 | 2020 |
| Coliform (TCR) | MCL | 5 | 2007 |
| Revised Total Coliform Rule | MON | 4 | 2016 |
| Revised Total Coliform Rule | TT | 4 | 2020 |
| Public Notice | Other | 2 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.