TRANQUILITY ESTATES
PWS ID: NH1973060 · CONCORD, New Hampshire 03302
Population Served
315
Total Violations
89
Health-Based Violations
44
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 126
- County
- Rockingham
- School/Daycare
- No
- MCL Violations
- 24
- Monitoring Violations
- 12
- Treatment Tech Violations
- 20
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 24 | 2014 |
| Revised Total Coliform Rule | RPT | 20 | 2022 |
| Revised Total Coliform Rule | TT | 20 | 2022 |
| Consumer Confidence Rule | Other | 6 | 2022 |
| Coliform (TCR) | MR | 5 | 2014 |
| E. COLI | MR | 4 | 2021 |
| Lead and Copper Rule | MR | 3 | 2000 |
| Public Notice | Other | 3 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.