Northampton Bucks Co Mun Auth
PWSID PA1090089 · Richboro, Pennsylvania · serves 36,750 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 23 ppt | 4 ppt | 12/11/2024 |
| PFOS | 21.3 ppt | 4 ppt | 6/11/2025 |
| PFPeA | 20.6 ppt | — | 6/11/2025 |
| PFOA | 19.6 ppt | 4 ppt | 12/11/2024 |
| PFOA | 19.3 ppt | 4 ppt | 6/11/2025 |
| PFOA | 18.1 ppt | 4 ppt | 6/11/2025 |
| PFHxA | 17.5 ppt | — | 6/11/2025 |
| PFOA | 17 ppt | 4 ppt | 12/11/2024 |
| PFOS | 16.8 ppt | 4 ppt | 6/11/2025 |
| PFOA | 16.8 ppt | 4 ppt | 6/11/2025 |
| PFPeA | 16.7 ppt | — | 6/11/2025 |
| PFHxA | 16.1 ppt | — | 6/11/2025 |
| PFOA | 15.9 ppt | 4 ppt | 6/11/2025 |
| PFOA | 15.2 ppt | 4 ppt | 12/11/2024 |
| PFOS | 15 ppt | 4 ppt | 12/11/2024 |
| PFBS | 14.9 ppt | — | 12/11/2024 |
| PFPeA | 14.9 ppt | — | 12/11/2024 |
| PFPeA | 14.8 ppt | — | 12/11/2024 |
| PFOS | 14.4 ppt | 4 ppt | 6/11/2025 |
| PFOA | 13.9 ppt | 4 ppt | 12/11/2024 |
| PFOS | 13.7 ppt | 4 ppt | 12/11/2024 |
| PFOS | 13.3 ppt | 4 ppt | 6/11/2025 |
| PFHxA | 13.2 ppt | — | 6/11/2025 |
| PFBS | 13 ppt | — | 6/11/2025 |
| PFOA | 12.1 ppt | 4 ppt | 6/11/2025 |
| PFPeA | 12.1 ppt | — | 6/11/2025 |
| PFOA | 12.1 ppt | 4 ppt | 6/11/2025 |
| PFHxA | 12.1 ppt | — | 12/11/2024 |
| PFHxA | 11.8 ppt | — | 12/11/2024 |
| PFOA | 11.8 ppt | 4 ppt | 6/11/2025 |
| PFOA | 11.8 ppt | 4 ppt | 12/11/2024 |
| PFOA | 11.8 ppt | 4 ppt | 6/11/2025 |
| PFOA | 11.5 ppt | 4 ppt | 12/11/2024 |
| PFOA | 11.4 ppt | 4 ppt | 12/11/2024 |
| PFOS | 11.3 ppt | 4 ppt | 12/11/2024 |
| PFOA | 11.2 ppt | 4 ppt | 12/19/2024 |
| PFOA | 11.1 ppt | 4 ppt | 12/11/2024 |
| PFOA | 11 ppt | 4 ppt | 12/11/2024 |
| PFOS | 10.7 ppt | 4 ppt | 12/11/2024 |
| PFOA | 10.6 ppt | 4 ppt | 6/11/2025 |
| PFOA | 10.6 ppt | 4 ppt | 6/11/2025 |
| PFPeA | 10.5 ppt | — | 12/11/2024 |
| PFOS | 10.4 ppt | 4 ppt | 12/11/2024 |
| PFOS | 10.2 ppt | 4 ppt | 6/11/2025 |
| PFOA | 10 ppt | 4 ppt | 6/11/2025 |
| PFHxA | 10 ppt | — | 12/11/2024 |
| PFOA | 9.7 ppt | 4 ppt | 6/11/2025 |
| PFOS | 9.6 ppt | 4 ppt | 12/11/2024 |
| PFOS | 9.6 ppt | 4 ppt | 12/11/2024 |
| PFOA | 9.2 ppt | 4 ppt | 12/11/2024 |
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 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-08-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-10-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-07-22 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2024-03-01 | Groundwater Rule | MR | No | Resolved |
| 2023-10-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-10-01 | TTHM | MR | No | Resolved |
| 2023-10-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2023-04-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2023-04-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-04-01 | Xylenes, Total | MR | No | Resolved |
| 2023-04-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2023-04-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2023-04-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2023-04-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2023-04-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-04-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2023-04-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2023-04-01 | Carbon tetrachloride | MR | No | Resolved |
| 2023-04-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2023-04-01 | Trichloroethylene | MR | No | Resolved |
| 2023-04-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2023-04-01 | Tetrachloroethylene | MR | No | Resolved |
| 2023-04-01 | CHLOROBENZENE | MR | No | Resolved |
| 2023-04-01 | Benzene | MR | No | Resolved |
| 2023-04-01 | Toluene | MR | No | Resolved |
| 2023-04-01 | Ethylbenzene | MR | No | Resolved |
| 2023-04-01 | Styrene | MR | No | Resolved |
| 2023-04-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2023-04-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-04-01 | Xylenes, Total | MR | No | Resolved |
| 2023-04-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2023-04-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2023-04-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2023-04-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2023-04-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-04-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2023-04-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2023-04-01 | Carbon tetrachloride | MR | No | Resolved |
| 2023-04-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2023-04-01 | Trichloroethylene | MR | No | Resolved |
| 2023-04-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2023-04-01 | Tetrachloroethylene | MR | No | Resolved |
| 2023-04-01 | CHLOROBENZENE | MR | No | Resolved |
| 2023-04-01 | Benzene | MR | No | Resolved |
| 2023-04-01 | Toluene | MR | No | Resolved |
| 2023-04-01 | Ethylbenzene | MR | No | Resolved |
| 2023-04-01 | Styrene | MR | No | Resolved |
| 2023-01-01 | Endrin | MR | No | Resolved |
| 2023-01-01 | BHC-GAMMA | MR | No | Resolved |
| 2023-01-01 | Methoxychlor | MR | No | Resolved |
| 2023-01-01 | Toxaphene | MR | No | Resolved |
| 2023-01-01 | Dalapon | MR | No | Resolved |
| 2023-01-01 | Diquat | MR | No | Resolved |
| 2023-01-01 | Glyphosate | MR | No | Resolved |
| 2023-01-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2023-01-01 | OXAMYL | MR | No | Resolved |
| 2023-01-01 | Simazine | MR | No | Resolved |
| 2023-01-01 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2023-01-01 | Picloram | MR | No | Resolved |
| 2023-01-01 | Dinoseb | MR | No | Resolved |
| 2023-01-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2023-01-01 | Carbofuran | MR | No | Resolved |
| 2023-01-01 | Atrazine | MR | No | Resolved |
| 2023-01-01 | LASSO | MR | No | Resolved |
| 2023-01-01 | Heptachlor | MR | No | Resolved |
| 2023-01-01 | Heptachlor epoxide | MR | No | Resolved |
| 2023-01-01 | 2,4-D | MR | No | Resolved |
| 2023-01-01 | 2,4,5-TP | MR | No | Resolved |
| 2023-01-01 | HEXACHLOROBENZENE | MR | No | Resolved |
| 2023-01-01 | Benzo(a)pyrene | MR | No | Resolved |
| 2023-01-01 | Pentachlorophenol | MR | No | Resolved |
| 2023-01-01 | Total Polychlorinated Biphenyls (PCB) | MR | No | Resolved |
| 2023-01-01 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Resolved |
| 2023-01-01 | ETHYLENE DIBROMIDE | MR | No | Resolved |
| 2023-01-01 | Chlordane | MR | No | Resolved |
| 2023-01-01 | Endrin | MR | No | Resolved |
| 2023-01-01 | BHC-GAMMA | MR | No | Resolved |
| 2023-01-01 | Methoxychlor | MR | No | Resolved |
| 2023-01-01 | Toxaphene | MR | No | Resolved |
| 2023-01-01 | Dalapon | MR | No | Resolved |
| 2023-01-01 | Diquat | MR | No | Resolved |
| 2023-01-01 | Glyphosate | MR | No | Resolved |
| 2023-01-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2023-01-01 | OXAMYL | MR | No | Resolved |
| 2023-01-01 | Simazine | MR | No | Resolved |
| 2023-01-01 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2023-01-01 | Picloram | MR | No | Resolved |
| 2023-01-01 | Dinoseb | MR | No | Resolved |
| 2023-01-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2023-01-01 | Carbofuran | MR | No | Resolved |
| 2023-01-01 | Atrazine | MR | No | Resolved |
| 2023-01-01 | LASSO | MR | No | Resolved |
| 2023-01-01 | Heptachlor | MR | No | Resolved |
| 2023-01-01 | Heptachlor epoxide | MR | No | Resolved |
| 2023-01-01 | 2,4-D | MR | No | Resolved |
| 2023-01-01 | 2,4,5-TP | MR | No | Resolved |
| 2023-01-01 | HEXACHLOROBENZENE | MR | No | Resolved |
| 2023-01-01 | Benzo(a)pyrene | MR | No | Resolved |
| 2023-01-01 | Pentachlorophenol | MR | No | Resolved |