GYRE9
PWS ID: CT1300472 · MAHOPACK, Connecticut 10541
Population Served
32
Total Violations
360
Health-Based Violations
49
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- New Haven
- School/Daycare
- No
- MCL Violations
- 37
- Monitoring Violations
- 309
- Treatment Tech Violations
- 12
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 37 | 2005 |
| Revised Total Coliform Rule | TT | 11 | 2025 |
| Lead and Copper Rule | MR | 9 | 2024 |
| p-Dichlorobenzene | MR | 8 | 2017 |
| Vinyl chloride | MR | 8 | 2017 |
| 1,1-Dichloroethylene | MR | 8 | 2017 |
| trans-1,2-Dichloroethylene | MR | 8 | 2017 |
| Carbon tetrachloride | MR | 8 | 2017 |
| 1,1,2-Trichloroethane | MR | 8 | 2017 |
| Tetrachloroethylene | MR | 8 | 2017 |
| Benzene | MR | 8 | 2017 |
| Ethylbenzene | MR | 8 | 2017 |
| 1,2,4-Trichlorobenzene | MR | 8 | 2017 |
| DICHLOROMETHANE | MR | 8 | 2017 |
| o-Dichlorobenzene | MR | 8 | 2017 |
| CHLOROBENZENE | MR | 8 | 2017 |
| Styrene | MR | 8 | 2017 |
| 1,2-Dichloroethane | MR | 8 | 2017 |
| 1,1,1-Trichloroethane | MR | 8 | 2017 |
| 1,2-Dichloropropane | MR | 8 | 2017 |
| Trichloroethylene | MR | 8 | 2017 |
| cis-1,2-Dichloroethylene | MR | 8 | 2017 |
| Toluene | MR | 8 | 2017 |
| Revised Total Coliform Rule | MON | 7 | 2017 |
| E. COLI | MR | 4 | 2025 |
| Chromium | MR | 3 | 2014 |
| CYANIDE | MR | 3 | 2014 |
| Nickel | MR | 3 | 2014 |
| Beryllium, Total | MR | 3 | 2014 |
| Selenium | MR | 3 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.