Pa American Audubon
PWSID PA1460055 · Norristown, Pennsylvania · serves 8,200 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 57.9 ppt | 4 ppt | 3/11/2024 |
| PFOS | 57.7 ppt | 4 ppt | 9/30/2024 |
| PFOS | 50.5 ppt | 4 ppt | 3/12/2024 |
| PFOS | 37.6 ppt | 4 ppt | 9/30/2024 |
| PFOA | 30.8 ppt | 4 ppt | 3/11/2024 |
| PFOA | 27.1 ppt | 4 ppt | 9/30/2024 |
| PFOA | 19 ppt | 4 ppt | 9/30/2024 |
| PFOA | 16.7 ppt | 4 ppt | 3/12/2024 |
| PFOA | 16.1 ppt | 4 ppt | 9/30/2024 |
| PFOA | 14.2 ppt | 4 ppt | 3/11/2024 |
| PFPeA | 13.3 ppt | — | 9/30/2024 |
| PFPeA | 13 ppt | — | 3/11/2024 |
| PFPeA | 12.1 ppt | — | 3/12/2024 |
| PFHxA | 11.7 ppt | — | 3/11/2024 |
| PFHxA | 10.9 ppt | — | 9/30/2024 |
| PFHxA | 10.9 ppt | — | 3/12/2024 |
| PFOA | 10.1 ppt | 4 ppt | 10/2/2024 |
| PFOA | 9.6 ppt | 4 ppt | 10/2/2024 |
| PFPeA | 9.5 ppt | — | 9/30/2024 |
| PFOS | 9.4 ppt | 4 ppt | 3/12/2024 |
| PFOA | 9.2 ppt | 4 ppt | 10/2/2024 |
| PFOS | 9.2 ppt | 4 ppt | 3/11/2024 |
| PFPeA | 9.2 ppt | — | 9/30/2024 |
| PFOA | 8.8 ppt | 4 ppt | 3/12/2024 |
| PFPeA | 8.7 ppt | — | 3/11/2024 |
| PFOA | 8.5 ppt | 4 ppt | 3/12/2024 |
| PFOA | 8.3 ppt | 4 ppt | 3/11/2024 |
| PFOS | 8.3 ppt | 4 ppt | 10/2/2024 |
| PFHxA | 8 ppt | — | 9/30/2024 |
| PFHxA | 8 ppt | — | 3/11/2024 |
| PFHxA | 8 ppt | — | 9/30/2024 |
| PFOS | 7.9 ppt | 4 ppt | 3/11/2024 |
| PFHpA | 7.9 ppt | — | 9/30/2024 |
| PFHpA | 7.8 ppt | — | 3/11/2024 |
| PFOS | 7.5 ppt | 4 ppt | 9/30/2024 |
| PFHpA | 7 ppt | — | 3/12/2024 |
| PFOS | 6.9 ppt | 4 ppt | 3/12/2024 |
| PFBA | 6.6 ppt | — | 9/30/2024 |
| PFNA | 6.6 ppt | 10 ppt | 9/30/2024 |
| PFBA | 6.4 ppt | — | 3/11/2024 |
| PFOS | 6.4 ppt | 4 ppt | 10/2/2024 |
| PFNA | 6.3 ppt | 10 ppt | 9/30/2024 |
| PFHpA | 6.2 ppt | — | 9/30/2024 |
| PFOS | 6.1 ppt | 4 ppt | 10/2/2024 |
| PFBA | 5.9 ppt | — | 3/12/2024 |
| PFBA | 5.9 ppt | — | 9/30/2024 |
| PFHpA | 5.8 ppt | — | 3/11/2024 |
| PFBA | 5.7 ppt | — | 9/30/2024 |
| PFPeA | 5.7 ppt | — | 3/12/2024 |
| PFHpA | 5.6 ppt | — | 9/30/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Groundwater Rule | MR | No | Resolved |
| 2025-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2025-01-01 | TTHM | MR | No | Resolved |
| 2024-10-01 | Groundwater Rule | MR | No | Resolved |
| 2024-10-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2024-10-01 | TTHM | MR | No | Resolved |
| 2024-07-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2024-07-01 | Radium-226 | MR | No | Resolved |
| 2024-07-01 | Radium-228 | MR | No | Resolved |
| 2024-04-01 | Endothall | MR | 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 |
| 2024-01-01 | Groundwater Rule | MR | No | Resolved |
| 2023-11-11 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2023-10-01 | Nitrate | MR | No | Resolved |
| 2023-10-01 | Nitrite | MR | No | Resolved |
| 2023-10-01 | Radium-226 | MR | No | Resolved |
| 2023-10-01 | Radium-228 | MR | No | Resolved |
| 2023-10-01 | Endrin | MR | No | Resolved |
| 2023-10-01 | BHC-GAMMA | MR | No | Resolved |
| 2023-10-01 | Methoxychlor | MR | No | Resolved |
| 2023-10-01 | Toxaphene | MR | No | Resolved |
| 2023-10-01 | Dalapon | MR | No | Resolved |
| 2023-10-01 | Diquat | MR | No | Resolved |
| 2023-10-01 | Endothall | MR | No | Resolved |
| 2023-10-01 | Glyphosate | MR | No | Resolved |
| 2023-10-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2023-10-01 | OXAMYL | MR | No | Resolved |
| 2023-10-01 | Simazine | MR | No | Resolved |
| 2023-10-01 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2023-10-01 | Picloram | MR | No | Resolved |
| 2023-10-01 | Dinoseb | MR | No | Resolved |
| 2023-10-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2023-10-01 | Carbofuran | MR | No | Resolved |
| 2023-10-01 | Atrazine | MR | No | Resolved |
| 2023-10-01 | LASSO | MR | No | Resolved |
| 2023-10-01 | 2,3,7,8-TCDD | MR | No | Resolved |
| 2023-10-01 | Heptachlor | MR | No | Resolved |
| 2023-10-01 | Heptachlor epoxide | MR | No | Resolved |
| 2023-10-01 | 2,4-D | MR | No | Resolved |
| 2023-10-01 | 2,4,5-TP | MR | No | Resolved |
| 2023-10-01 | HEXACHLOROBENZENE | MR | No | Resolved |
| 2023-10-01 | Benzo(a)pyrene | MR | No | Resolved |
| 2023-10-01 | Pentachlorophenol | MR | No | Resolved |
| 2023-10-01 | Total Polychlorinated Biphenyls (PCB) | MR | No | Resolved |
| 2023-10-01 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Resolved |
| 2023-10-01 | ETHYLENE DIBROMIDE | MR | No | Resolved |
| 2023-10-01 | Chlordane | MR | No | Resolved |
| 2023-10-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2023-10-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-10-01 | Xylenes, Total | MR | No | Resolved |
| 2023-10-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2023-10-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2023-10-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2023-10-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2023-10-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-10-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2023-10-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2023-10-01 | Carbon tetrachloride | MR | No | Resolved |
| 2023-10-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2023-10-01 | Trichloroethylene | MR | No | Resolved |
| 2023-10-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2023-10-01 | Tetrachloroethylene | MR | No | Resolved |
| 2023-10-01 | CHLOROBENZENE | MR | No | Resolved |
| 2023-10-01 | Benzene | MR | No | Resolved |
| 2023-10-01 | Toluene | MR | No | Resolved |
| 2023-10-01 | Ethylbenzene | MR | No | Resolved |
| 2023-10-01 | Styrene | MR | No | Resolved |
| 2023-10-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2023-10-01 | Radium-226 | MR | No | Resolved |
| 2023-10-01 | Radium-228 | MR | No | Resolved |
| 2023-10-01 | Endrin | MR | No | Resolved |
| 2023-10-01 | BHC-GAMMA | MR | No | Resolved |
| 2023-10-01 | Methoxychlor | MR | No | Resolved |
| 2023-10-01 | Toxaphene | MR | No | Resolved |
| 2023-10-01 | Dalapon | MR | No | Resolved |
| 2023-10-01 | Diquat | MR | No | Resolved |
| 2023-10-01 | Endothall | MR | No | Resolved |
| 2023-10-01 | Glyphosate | MR | No | Resolved |
| 2023-10-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2023-10-01 | OXAMYL | MR | No | Resolved |
| 2023-10-01 | Simazine | MR | No | Resolved |