255 ROUTE 80 - KILLINGWORTH
PWS ID: CT0709123 · KILLINGWORTH, Connecticut 06419
Population Served
32
Total Violations
426
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Middlesex
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 424
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| BHC-GAMMA | MR | 8 | 2024 |
| Methoxychlor | MR | 8 | 2024 |
| Diquat | MR | 8 | 2024 |
| Glyphosate | MR | 8 | 2024 |
| Simazine | MR | 8 | 2024 |
| Picloram | MR | 8 | 2024 |
| Dinoseb | MR | 8 | 2024 |
| Aldicarb | MR | 8 | 2024 |
| Atrazine | MR | 8 | 2024 |
| LASSO | MR | 8 | 2024 |
| Heptachlor epoxide | MR | 8 | 2024 |
| 2,4-D | MR | 8 | 2024 |
| 2,4,5-TP | MR | 8 | 2024 |
| HEXACHLOROBENZENE | MR | 8 | 2024 |
| Benzo(a)pyrene | MR | 8 | 2024 |
| Pentachlorophenol | MR | 8 | 2024 |
| Total Polychlorinated Biphenyls (PCB) | MR | 8 | 2024 |
| Chlordane | MR | 8 | 2024 |
| 1,2,4-Trichlorobenzene | MR | 8 | 2024 |
| cis-1,2-Dichloroethylene | MR | 8 | 2024 |
| DICHLOROMETHANE | MR | 8 | 2024 |
| o-Dichlorobenzene | MR | 8 | 2024 |
| p-Dichlorobenzene | MR | 8 | 2024 |
| trans-1,2-Dichloroethylene | MR | 8 | 2024 |
| 1,1,1-Trichloroethane | MR | 8 | 2024 |
| Carbon tetrachloride | MR | 8 | 2024 |
| Trichloroethylene | MR | 8 | 2024 |
| 1,1,2-Trichloroethane | MR | 8 | 2024 |
| Tetrachloroethylene | MR | 8 | 2024 |
| CHLOROBENZENE | MR | 8 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.