AQUARION-RIDGEFIELD
PWSID: CT1180011 · SHELTON, CT · Serving 7,476 people
Type: CWSOwner: PSource: SW
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
9.17 ppt
Highest single detection
2024-09-04
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 290 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 9Cl-PF3ONS | ND | — | Below MRL | 2024-12-03 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2024-03-07 |
| PFEESA | ND | — | Below MRL | 2024-03-07 |
| PFTrDA | ND | — | Below MRL | 2024-03-07 |
| PFHpS | ND | — | Below MRL | 2024-03-07 |