Ctwc - Northern Reg-Western System
PWSID CT0473011 · Clinton, Connecticut · serves 101,313 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 8 ppt | 4 ppt | 7/1/2025 |
| PFOS | 6 ppt | 4 ppt | 7/1/2025 |
| PFOA | 6 ppt | 4 ppt | 7/1/2025 |
| PFOA | 5 ppt | 4 ppt | 3/13/2024 |
| PFOA | 5 ppt | 4 ppt | 7/26/2024 |
| PFOS | 5 ppt | 4 ppt | 7/26/2024 |
| PFOA | 5 ppt | 4 ppt | 7/23/2024 |
| PFOA | 5 ppt | 4 ppt | 7/23/2024 |
| PFBA | 5 ppt | — | 7/1/2025 |
| PFOS | 4 ppt | 4 ppt | 3/13/2024 |
| PFOA | 4 ppt | 4 ppt | 9/4/2024 |
| PFOS | 4 ppt | 4 ppt | 7/23/2024 |
| PFOA | 4 ppt | 4 ppt | 12/6/2024 |
| PFHxS | 3 ppt | 10 ppt | 7/1/2025 |
| PFBS | 3 ppt | — | 7/1/2025 |
| PFPeA | 3 ppt | — | 7/23/2024 |
| PFHxA | 3 ppt | — | 7/1/2025 |
| PFPeA | 3 ppt | — | 7/1/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-12-14 | Public Notice | Other | No | Resolved |