Regional Water Authority
PWSID CT0930011 · New Haven, Connecticut · serves 418,900 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 10.7 ppt | 4 ppt | 3/18/2024 |
| PFOS | 8.1 ppt | 4 ppt | 9/20/2023 |
| PFOA | 7.1 ppt | 4 ppt | 3/18/2024 |
| PFOA | 6.3 ppt | 4 ppt | 9/20/2023 |
| PFOA | 5.2 ppt | 4 ppt | 9/18/2023 |
| PFOS | 4.6 ppt | 4 ppt | 3/18/2024 |
| PFOS | 4.3 ppt | 4 ppt | 3/19/2024 |
| PFOA | 4.3 ppt | 4 ppt | 6/11/2024 |
| PFOS | 4 ppt | 4 ppt | 9/18/2023 |
| PFOS | 4 ppt | 4 ppt | 11/27/2023 |
| PFOS | 4 ppt | 4 ppt | 9/19/2023 |
| PFBS | 3.5 ppt | — | 3/18/2024 |
| PFBS | 3.4 ppt | — | 9/20/2023 |
| PFBS | 3.2 ppt | — | 9/18/2023 |
| PFPeA | 3.1 ppt | — | 3/18/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉