Richland Twp Water Authority
PWSID PA1090131 · Quakertown, Pennsylvania · serves 6,800 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 9.7 ppt | — | 10/21/2025 |
| PFOS | 8.3 ppt | 4 ppt | 4/23/2025 |
| PFOS | 8.1 ppt | 4 ppt | 10/21/2025 |
| PFOS | 7.9 ppt | 4 ppt | 4/23/2025 |
| PFOS | 7.9 ppt | 4 ppt | 10/21/2025 |
| PFBS | 7.4 ppt | — | 4/23/2025 |
| PFBS | 7.2 ppt | — | 4/23/2025 |
| PFBS | 7.2 ppt | — | 10/21/2025 |
| PFOA | 7.1 ppt | 4 ppt | 10/21/2025 |
| PFOA | 6.3 ppt | 4 ppt | 4/23/2025 |
| PFBA | 6.1 ppt | — | 10/21/2025 |
| PFBA | 5.9 ppt | — | 10/21/2025 |
| PFOS | 5.5 ppt | 4 ppt | 10/21/2025 |
| PFOA | 5.4 ppt | 4 ppt | 10/21/2025 |
| PFBA | 5.2 ppt | — | 4/23/2025 |
| PFOA | 5.1 ppt | 4 ppt | 10/21/2025 |
| PFOA | 5.1 ppt | 4 ppt | 4/23/2025 |
| PFNA | 5.1 ppt | 10 ppt | 10/21/2025 |
| PFPeA | 4.6 ppt | — | 10/21/2025 |
| PFNA | 4.6 ppt | 10 ppt | 4/23/2025 |
| PFOA | 4.3 ppt | 4 ppt | 4/23/2025 |
| PFOS | 4.3 ppt | 4 ppt | 4/23/2025 |
| PFPeA | 4.1 ppt | — | 10/21/2025 |
| PFPeA | 4 ppt | — | 4/23/2025 |
| PFHxA | 4 ppt | — | 10/21/2025 |
| PFBS | 3.9 ppt | — | 4/23/2025 |
| PFBS | 3.8 ppt | — | 10/21/2025 |
| PFHxA | 3.5 ppt | — | 4/23/2025 |
| PFPeA | 3.3 ppt | — | 4/23/2025 |
| PFPeA | 3.2 ppt | — | 10/21/2025 |
| PFHxA | 3 ppt | — | 10/21/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-11-01 | Groundwater Rule | MR | No | Resolved |
| 2024-09-01 | Groundwater Rule | MR | No | Archived |
| 2024-03-01 | Chlorine | MR | No | Resolved |
| 2024-02-01 | Chlorine | MR | No | Resolved |
| 2023-10-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2023-10-01 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2022-10-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |