Meriden Water Division
PWSID CT0800011 · Meriden, Connecticut · serves 58,441 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 9.5 ppt | 4 ppt | 10/5/2023 |
| PFOS | 7.9 ppt | 4 ppt | 4/2/2024 |
| PFOS | 7.4 ppt | 4 ppt | 10/5/2023 |
| PFOA | 6.1 ppt | 4 ppt | 10/5/2023 |
| PFHxA | 5.8 ppt | — | 10/5/2023 |
| PFBA | 5 ppt | — | 4/2/2024 |
| PFPeA | 4.8 ppt | — | 10/5/2023 |
| PFOA | 4.5 ppt | 4 ppt | 4/2/2024 |
| PFHxS | 4 ppt | 10 ppt | 10/5/2023 |
| PFBS | 3.7 ppt | — | 10/5/2023 |
| PFBS | 3.1 ppt | — | 10/5/2023 |
| PFBS | 3.1 ppt | — | 4/2/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-06-01 | Revised Total Coliform Rule | MON | No | Archived |
| 2026-06-01 | Surface Water Treatment Rule | MR | No | Archived |
| 2026-06-01 | Chlorine | MR | No | Archived |
| 2025-08-10 | Consumer Confidence Rule | Other | No | Resolved |
| 2025-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-08-10 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-10-01 | Lead and Copper Rule | MR | No | Resolved |