TWIN HILLS WATER DISTRICT
PWS ID: CT0320061 · BOLTON, Connecticut 06043-9220
Population Served
156
Total Violations
60
Health-Based Violations
32
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 39
- County
- Tolland
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 8
- Treatment Tech Violations
- 13
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 19 | 2021 |
| Coliform (TCR) | MCL | 19 | 2009 |
| Revised Total Coliform Rule | TT | 12 | 2023 |
| Lead and Copper Rule | MR | 5 | 1994 |
| E. COLI | MR | 3 | 2022 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.