CEDAR CREEK
PWS ID: NH0512200 · PORTSMOUTH, New Hampshire 03801
Population Served
105
Total Violations
212
Health-Based Violations
94
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 42
- County
- Carroll
- School/Daycare
- No
- MCL Violations
- 88
- Monitoring Violations
- 87
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 77 | 2007 |
| Consumer Confidence Rule | Other | 18 | 2023 |
| Coliform (TCR) | MR | 13 | 2006 |
| Public Notice | Other | 12 | 2008 |
| Arsenic | MR | 9 | 2003 |
| Fluoride | MR | 9 | 2003 |
| Lead and Copper Rule | MR | 8 | 2024 |
| Fluoride | MCL | 8 | 1996 |
| Lead and Copper Rule | TT | 6 | 2010 |
| Barium | MR | 4 | 2003 |
| Chromium | MR | 4 | 2003 |
| CYANIDE | MR | 4 | 2003 |
| Mercury | MR | 4 | 2003 |
| Selenium | MR | 4 | 2003 |
| Antimony, Total | MR | 4 | 2003 |
| Thallium, Total | MR | 4 | 2003 |
| Combined Radium (-226 and -228) | MR | 4 | 2007 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2007 |
| Combined Uranium | MR | 4 | 2007 |
| Cadmium | MR | 4 | 2003 |
| Beryllium, Total | MR | 4 | 2003 |
| Coliform (TCR) | MCL | 3 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.