COLCHESTER SEWER & WATER COMMISSION
PWSID: CT0280011 · COLCHESTER, CT · Serving 4,020 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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Upgrade to ProExceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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Upgrade to ProDetection summary
9 ppt
Highest single detection
2023-09-11
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 232 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFHpA | ND | — | Below MRL | 2023-09-11 |
| PFDoA | ND | — | Below MRL | 2023-09-11 |
| PFHxA | ND | — | Below MRL | 2023-09-11 |
| PFUnA | ND | — | Below MRL | 2023-09-11 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2023-09-11 |