Putnam Water Pollution Control Authority
PWSID CT1160011 · Putnam, Connecticut · serves 7,300 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 8.5 ppt | 4 ppt | 8/5/2025 |
| PFOS | 7.5 ppt | 4 ppt | 2/5/2025 |
| PFOA | 6.4 ppt | 4 ppt | 2/5/2025 |
| PFOA | 4.6 ppt | 4 ppt | 12/1/2025 |
| PFOA | 4.1 ppt | 4 ppt | 5/6/2025 |
| PFHxS | 4 ppt | 10 ppt | 2/5/2025 |
| PFBS | 3.2 ppt | — | 8/5/2025 |
| PFBS | 3.1 ppt | — | 8/5/2025 |
| PFPeA | 3.1 ppt | — | 2/5/2025 |
| PFBS | 3 ppt | — | 2/5/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2025-01-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2025-01-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2025-01-01 | CHLOROBENZENE | MR | No | Resolved |
| 2025-01-01 | Ethylbenzene | MR | No | Resolved |
| 2025-01-01 | Toluene | MR | No | Resolved |
| 2025-01-01 | Tetrachloroethylene | MR | No | Resolved |
| 2025-01-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2025-01-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2025-01-01 | Trichloroethylene | MR | No | Resolved |
| 2025-01-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2025-01-01 | Vinyl chloride | MR | No | Resolved |
| 2025-01-01 | Styrene | MR | No | Resolved |
| 2025-01-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2025-01-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2025-01-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2025-01-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2025-01-01 | Benzene | MR | No | Resolved |
| 2025-01-01 | Carbon tetrachloride | MR | No | Resolved |
| 2025-01-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |