Aqua Pa Main System
PWSID PA1460073 · Bryn Mawr, Pennsylvania · serves 822,600 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 21.8 ppt | — | 11/5/2024 |
| PFHxA | 17.2 ppt | — | 11/5/2024 |
| PFPeA | 13.6 ppt | — | 5/30/2024 |
| PFPeA | 13.6 ppt | — | 12/3/2024 |
| PFPeA | 13.2 ppt | — | 8/13/2024 |
| PFPeA | 13 ppt | — | 11/20/2024 |
| PFPeA | 12.7 ppt | — | 2/1/2024 |
| PFOA | 12.6 ppt | 4 ppt | 8/20/2024 |
| PFHxA | 12 ppt | — | 5/30/2024 |
| PFNA | 12 ppt | 10 ppt | 11/5/2024 |
| PFPeA | 11.9 ppt | — | 8/12/2024 |
| PFHxA | 11.3 ppt | — | 12/3/2024 |
| PFOA | 11 ppt | 4 ppt | 2/7/2024 |
| PFPeA | 10.9 ppt | — | 12/3/2024 |
| PFHxA | 10.9 ppt | — | 8/13/2024 |
| PFHxA | 10.8 ppt | — | 12/3/2024 |
| PFPeA | 10.6 ppt | — | 8/7/2024 |
| PFOA | 10.5 ppt | 4 ppt | 8/20/2024 |
| PFPeA | 10.3 ppt | — | 8/14/2024 |
| PFPeA | 10.2 ppt | — | 8/20/2024 |
| PFOA | 10.1 ppt | 4 ppt | 11/14/2024 |
| PFBA | 10.1 ppt | — | 11/5/2024 |
| PFBA | 10 ppt | — | 2/2/2024 |
| PFOA | 9.6 ppt | 4 ppt | 5/30/2024 |
| PFBS | 9.5 ppt | — | 11/19/2024 |
| PFOA | 9.5 ppt | 4 ppt | 2/28/2024 |
| PFOA | 9.4 ppt | 4 ppt | 8/13/2024 |
| PFOA | 9.3 ppt | 4 ppt | 11/5/2024 |
| PFOS | 9.2 ppt | 4 ppt | 8/20/2024 |
| PFHxA | 9.1 ppt | — | 2/1/2024 |
| PFOA | 9.1 ppt | 4 ppt | 2/1/2024 |
| PFOA | 9 ppt | 4 ppt | 8/20/2024 |
| PFNA | 9 ppt | 10 ppt | 8/13/2024 |
| PFOA | 8.7 ppt | 4 ppt | 8/13/2024 |
| PFOS | 8.6 ppt | 4 ppt | 2/28/2024 |
| PFBS | 8.2 ppt | — | 2/1/2024 |
| PFBA | 8.2 ppt | — | 5/30/2024 |
| PFOS | 8.2 ppt | 4 ppt | 5/30/2024 |
| PFHxA | 8.2 ppt | — | 11/20/2024 |
| PFHxA | 8.1 ppt | — | 11/19/2024 |
| PFHxA | 8.1 ppt | — | 8/20/2024 |
| PFHxA | 7.9 ppt | — | 8/14/2024 |
| PFHxA | 7.9 ppt | — | 8/20/2024 |
| PFPeA | 7.8 ppt | — | 11/14/2024 |
| PFHxS | 7.7 ppt | 10 ppt | 9/10/2024 |
| PFPeA | 7.7 ppt | — | 8/20/2024 |
| PFHxA | 7.6 ppt | — | 8/7/2024 |
| PFHxA | 7.5 ppt | — | 8/12/2024 |
| PFHxA | 7.5 ppt | — | 8/20/2024 |
| PFBA | 7.5 ppt | — | 8/13/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-09-01 | Chlorite | MR | No | Resolved |
| 2024-11-13 | Public Notice | Other | No | Resolved |
| 2024-11-01 | Groundwater Rule | TT | Yes | Resolved |
| 2024-01-01 | Arsenic | MR | No | Resolved |
| 2024-01-01 | Barium | MR | No | Resolved |
| 2024-01-01 | Cadmium | MR | No | Resolved |
| 2024-01-01 | Chromium | MR | No | Resolved |
| 2024-01-01 | CYANIDE | MR | No | Resolved |
| 2024-01-01 | Fluoride | MR | No | Resolved |
| 2024-01-01 | Mercury | MR | No | Resolved |
| 2024-01-01 | Nickel | MR | No | Resolved |
| 2024-01-01 | Selenium | MR | No | Resolved |
| 2024-01-01 | Antimony, Total | MR | No | Resolved |
| 2024-01-01 | Beryllium, Total | MR | No | Resolved |
| 2024-01-01 | Thallium, Total | MR | No | Resolved |
| 2024-01-01 | Arsenic | MR | No | Resolved |
| 2024-01-01 | Barium | MR | No | Resolved |
| 2024-01-01 | Cadmium | MR | No | Resolved |
| 2024-01-01 | Chromium | MR | No | Resolved |
| 2024-01-01 | CYANIDE | MR | No | Resolved |
| 2024-01-01 | Fluoride | MR | No | Resolved |
| 2024-01-01 | Mercury | MR | No | Resolved |
| 2024-01-01 | Nickel | MR | No | Resolved |
| 2024-01-01 | Selenium | MR | No | Resolved |
| 2024-01-01 | Antimony, Total | MR | No | Resolved |
| 2024-01-01 | Beryllium, Total | MR | No | Resolved |
| 2024-01-01 | Thallium, Total | MR | No | Resolved |
| 2023-10-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2023-01-01 | Surface Water Treatment Rule | MR | No | Resolved |
ZIP codes served
189291896618974189761900119002190031900419006190071900819009190121901319014190151901719018190201902119022190231902519026190271902819029190311903219033190341903519036190371903819040190411904319044190461904719050190521905319059190631906419065190661907019072190731907419075190761907819079190811908219083