Kennett Square Mun Water Works
PWSID PA1150108 · Kennett Square, Pennsylvania · serves 6,328 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 18.9 ppt | — | 7/17/2023 |
| PFBA | 17.8 ppt | — | 1/18/2023 |
| PFOA | 17.7 ppt | 4 ppt | 7/17/2023 |
| PFBA | 16.9 ppt | — | 7/5/2023 |
| PFOA | 14.9 ppt | 4 ppt | 7/5/2023 |
| PFOS | 14.4 ppt | 4 ppt | 1/18/2023 |
| PFOA | 14.4 ppt | 4 ppt | 1/18/2023 |
| PFPeA | 12.6 ppt | — | 7/17/2023 |
| PFOS | 12.5 ppt | 4 ppt | 7/17/2023 |
| PFHxA | 11.4 ppt | — | 7/17/2023 |
| PFPeA | 11.2 ppt | — | 1/18/2023 |
| PFPeA | 10.8 ppt | — | 7/5/2023 |
| PFHxA | 10.1 ppt | — | 1/18/2023 |
| PFHxA | 9.5 ppt | — | 7/5/2023 |
| PFOS | 9.2 ppt | 4 ppt | 7/5/2023 |
| PFHpA | 7.8 ppt | — | 7/17/2023 |
| PFHpA | 7.3 ppt | — | 1/18/2023 |
| PFHpA | 6.6 ppt | — | 7/5/2023 |
| PFBS | 4.5 ppt | — | 7/17/2023 |
| PFHxS | 4.2 ppt | 10 ppt | 7/17/2023 |
| PFBS | 4.1 ppt | — | 1/18/2023 |
| PFBS | 4.1 ppt | — | 7/5/2023 |
| PFPeA | 3.9 ppt | — | 7/5/2023 |
| PFHxA | 3.5 ppt | — | 7/5/2023 |
| PFHxS | 3.5 ppt | 10 ppt | 1/18/2023 |
| PFHxS | 3.3 ppt | 10 ppt | 7/5/2023 |
| PFPeA | 3.2 ppt | — | 7/17/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-05-01 | Groundwater Rule | MR | No | Archived |
| 2026-01-01 | Groundwater Rule | MR | No | Resolved |
| 2025-12-01 | Groundwater Rule | MR | No | Resolved |
| 2025-10-01 | Groundwater Rule | MR | No | Resolved |
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2025-07-01 | TTHM | MR | No | Resolved |
| 2025-05-01 | Groundwater Rule | MR | No | Resolved |
| 2025-04-01 | Groundwater Rule | MR | No | Resolved |
| 2025-03-01 | Groundwater Rule | MR | No | Resolved |
| 2025-01-01 | Chlorine | MR | No | Resolved |
| 2025-01-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2024-01-11 | Public Notice | Other | No | Resolved |
| 2023-10-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-10-01 | TTHM | MR | No | Resolved |
| 2023-10-01 | Nitrate | MR | No | Resolved |
| 2023-10-01 | Nitrite | MR | No | Resolved |
| 2023-10-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2023-10-01 | Combined Uranium | MR | No | Resolved |
| 2023-10-01 | Nitrate | MR | No | Resolved |
| 2023-10-01 | Nitrite | MR | No | Resolved |
| 2023-07-11 | Public Notice | Other | No | Resolved |
| 2023-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-04-01 | TTHM | MR | No | Resolved |
| 2023-01-01 | Lead and Copper Rule | MR | No | Unaddressed |
| 2023-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-01-01 | TTHM | MR | No | Resolved |
| 2023-01-01 | Nitrate | MR | No | Resolved |
| 2023-01-01 | Nitrite | MR | No | Resolved |
| 2023-01-01 | Nitrate | MR | No | Resolved |
| 2023-01-01 | Nitrite | MR | No | Resolved |
| 2022-12-01 | Groundwater Rule | MR | No | Resolved |
| 2022-10-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-10-01 | Nitrate | MR | No | Resolved |
| 2022-10-01 | Nitrite | MR | No | Resolved |
| 2022-10-01 | Nitrate | MR | No | Resolved |
| 2022-10-01 | Nitrite | MR | No | Resolved |
| 2022-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-06-11 | Public Notice | Other | No | Resolved |
| 2022-05-11 | Public Notice | Other | No | Resolved |
| 2022-04-11 | Public Notice | Other | No | Resolved |
| 2022-04-01 | TTHM | MR | No | Resolved |
| 2022-01-11 | Public Notice | Other | No | Resolved |
| 2022-01-11 | Public Notice | Other | No | Resolved |
| 2022-01-11 | Public Notice | Other | No | Resolved |
| 2022-01-11 | Public Notice | Other | No | Resolved |
| 2022-01-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2022-01-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-01-01 | Xylenes, Total | MR | No | Resolved |
| 2022-01-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2022-01-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2022-01-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2022-01-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2022-01-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-01-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2022-01-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2022-01-01 | Carbon tetrachloride | MR | No | Resolved |
| 2022-01-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2022-01-01 | Trichloroethylene | MR | No | Resolved |
| 2022-01-01 | 1,1,2-Trichloroethane | MR | No | Resolved |