CTWC - SHORELINE REGION-MASONS ISLAND
PWS ID: CT1370051 · CLINTON, Connecticut 06413
Population Served
445
Total Violations
35
Health-Based Violations
12
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 190
- County
- New London
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 12 | 2006 |
| Coliform (TCR) | MR | 4 | 2014 |
| Surface Water Treatment Rule | MR | 4 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2017 |
| TTHM | MR | 4 | 2017 |
| Chlorine | MR | 4 | 2014 |
| Lead and Copper Rule | MR | 1 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.