AQUARION-INTERLAKEN
PWS ID: CT0911061 · SHELTON, Connecticut 06484
Population Served
64
Total Violations
346
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 18
- County
- Fairfield
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 151
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 29 | 2017 |
| Coliform (TCR) | MCL | 14 | 2006 |
| Lead and Copper Rule | MR | 13 | 2017 |
| E. COLI | MR | 9 | 2022 |
| Trichloroethylene | MR | 8 | 1993 |
| 1,1,1-Trichloroethane | MR | 8 | 1993 |
| 1,2-Dichloroethane | MR | 8 | 1993 |
| Vinyl chloride | MR | 8 | 1993 |
| Benzene | MR | 8 | 1993 |
| 1,1-Dichloroethylene | MR | 8 | 1993 |
| Carbon tetrachloride | MR | 8 | 1993 |
| p-Dichlorobenzene | MR | 8 | 1993 |
| Revised Total Coliform Rule | RPT | 8 | 2016 |
| Tetrachloroethylene | MR | 5 | 1993 |
| 1,1,2-Trichloroethane | MR | 5 | 1993 |
| o-Dichlorobenzene | MR | 5 | 1993 |
| DICHLOROMETHANE | MR | 5 | 1993 |
| Styrene | MR | 5 | 1993 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 5 | 1993 |
| cis-1,2-Dichloroethylene | MR | 5 | 1993 |
| Toluene | MR | 5 | 1993 |
| CHLOROBENZENE | MR | 5 | 1993 |
| 1,2-Dichloropropane | MR | 5 | 1993 |
| Ethylbenzene | MR | 5 | 1993 |
| trans-1,2-Dichloroethylene | MR | 5 | 1993 |
| ETHYLENE DIBROMIDE | MR | 5 | 1993 |
| Chloromethane | Other | 3 | 1994 |
| Chloroethane | Other | 3 | 1994 |
| Dibromomethane | Other | 3 | 1994 |
| 1,1-Dichloropropene | Other | 3 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.