City Of Westminster
PWSID MD0060015 · Westminster, Maryland · serves 35,256 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 66.7 ppt | — | 7/1/2025 |
| PFPeA | 51.3 ppt | — | 1/8/2025 |
| PFPeA | 26.5 ppt | — | 12/3/2024 |
| PFHxA | 24.6 ppt | — | 12/3/2024 |
| PFPeA | 24.3 ppt | — | 7/1/2025 |
| PFHxA | 23.2 ppt | — | 7/1/2025 |
| PFBA | 20.1 ppt | — | 1/8/2025 |
| PFBA | 18.8 ppt | — | 7/1/2025 |
| PFOA | 12.4 ppt | 4 ppt | 9/4/2025 |
| PFOA | 11.4 ppt | 4 ppt | 12/3/2024 |
| PFOA | 11.3 ppt | 4 ppt | 7/1/2025 |
| PFOA | 10.4 ppt | 4 ppt | 3/3/2025 |
| PFBS | 8.6 ppt | — | 6/10/2025 |
| PFBS | 8.4 ppt | — | 12/3/2024 |
| PFBS | 8.4 ppt | — | 12/3/2024 |
| PFBA | 8.2 ppt | — | 12/3/2024 |
| PFBS | 8.2 ppt | — | 7/1/2025 |
| PFHpA | 8.1 ppt | — | 12/3/2024 |
| PFBA | 8.1 ppt | — | 7/1/2025 |
| PFOA | 7.3 ppt | 4 ppt | 12/3/2024 |
| PFHpA | 7.3 ppt | — | 7/1/2025 |
| PFOS | 6.9 ppt | 4 ppt | 12/3/2024 |
| PFOA | 6.7 ppt | 4 ppt | 7/1/2025 |
| PFOS | 6.4 ppt | 4 ppt | 7/1/2025 |
| PFBS | 6.2 ppt | — | 4/18/2023 |
| PFBS | 6.1 ppt | — | 7/12/2023 |
| PFOA | 5.9 ppt | 4 ppt | 7/12/2023 |
| PFHxA | 5.9 ppt | — | 7/1/2025 |
| PFOA | 5.7 ppt | 4 ppt | 1/31/2023 |
| PFBS | 5.6 ppt | — | 1/31/2023 |
| PFOA | 5.4 ppt | 4 ppt | 10/5/2023 |
| PFHxA | 5.4 ppt | — | 9/4/2025 |
| PFBS | 5.2 ppt | — | 10/5/2023 |
| PFHxA | 5.1 ppt | — | 12/3/2024 |
| PFOA | 5 ppt | 4 ppt | 4/18/2023 |
| PFHxA | 4.9 ppt | — | 7/1/2025 |
| PFHxA | 4.8 ppt | — | 3/3/2025 |
| PFOS | 4.6 ppt | 4 ppt | 1/31/2023 |
| PFPeA | 4.2 ppt | — | 12/3/2024 |
| PFHxS | 4.2 ppt | 10 ppt | 9/4/2025 |
| PFPeA | 4.2 ppt | — | 9/4/2025 |
| PFOS | 4.1 ppt | 4 ppt | 4/18/2023 |
| PFPeA | 4.1 ppt | — | 6/10/2025 |
| PFPeA | 4 ppt | — | 12/3/2024 |
| PFPeA | 4 ppt | — | 7/1/2025 |
| PFBS | 4 ppt | — | 9/4/2025 |
| PFHxS | 3.9 ppt | 10 ppt | 1/31/2023 |
| PFHxA | 3.9 ppt | — | 12/3/2024 |
| PFHxA | 3.9 ppt | — | 6/10/2025 |
| PFBS | 3.9 ppt | — | 12/3/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-05-01 | Revised Total Coliform Rule | MON | No | Resolved |