Aqua Pa Chalfont
PWSID PA1090005 · Bryn Mawr, Pennsylvania · serves 5,900 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 19 ppt | 4 ppt | 2/20/2024 |
| PFPeA | 18 ppt | — | 2/20/2024 |
| PFHxA | 18 ppt | — | 2/20/2024 |
| PFBA | 9 ppt | — | 8/19/2024 |
| PFOA | 8.8 ppt | 4 ppt | 2/20/2024 |
| PFOS | 8.3 ppt | 4 ppt | 2/20/2024 |
| PFOA | 7.4 ppt | 4 ppt | 8/19/2024 |
| PFOS | 6.6 ppt | 4 ppt | 8/19/2024 |
| PFOA | 6.4 ppt | 4 ppt | 2/20/2024 |
| PFBA | 6.2 ppt | — | 2/20/2024 |
| PFBS | 5.5 ppt | — | 2/20/2024 |
| PFBS | 5.5 ppt | — | 2/20/2024 |
| PFBS | 5.3 ppt | — | 8/19/2024 |
| PFBS | 5 ppt | — | 2/20/2024 |
| PFPeA | 4.7 ppt | — | 8/19/2024 |
| PFPeA | 4.3 ppt | — | 2/20/2024 |
| PFHxA | 4 ppt | — | 2/20/2024 |
| PFPeA | 4 ppt | — | 8/19/2024 |
| PFHxA | 3.7 ppt | — | 8/19/2024 |
| PFHxA | 3.5 ppt | — | 2/20/2024 |
| PFPeA | 3.3 ppt | — | 2/20/2024 |
| PFHpA | 3.1 ppt | — | 2/20/2024 |
| PFHpA | 3.1 ppt | — | 2/20/2024 |
| PFHxS | 3.1 ppt | 10 ppt | 2/20/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Radium-226 | MR | No | Resolved |
| 2023-10-01 | Radium-228 | MR | No | Resolved |