Portsmouth Water Works
PWSID NH1951010 · Portsmouth, New Hampshire · serves 33,000 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 9 ppt | — | 2/7/2024 |
| PFOA | 7 ppt | 4 ppt | 2/7/2024 |
| PFPeA | 7 ppt | — | 2/7/2024 |
| PFBS | 6 ppt | — | 2/7/2024 |
| PFOA | 6 ppt | 4 ppt | 7/18/2023 |
| PFHxA | 6 ppt | — | 2/7/2024 |
| PFPeA | 5 ppt | — | 7/18/2023 |
| PFHxS | 5 ppt | 10 ppt | 7/18/2023 |
| PFOA | 5 ppt | 4 ppt | 7/18/2023 |
| PFOS | 5 ppt | 4 ppt | 2/7/2024 |
| PFPeA | 5 ppt | — | 7/18/2023 |
| PFOA | 5 ppt | 4 ppt | 2/7/2024 |
| PFBA | 5 ppt | — | 10/12/2023 |
| PFHxA | 4 ppt | — | 7/18/2023 |
| PFOS | 4 ppt | 4 ppt | 7/18/2023 |
| PFPeA | 4 ppt | — | 2/7/2024 |
| PFHxS | 4 ppt | 10 ppt | 2/7/2024 |
| PFHxA | 4 ppt | — | 2/7/2024 |
| PFHxA | 4 ppt | — | 7/18/2023 |
| PFHxS | 4 ppt | 10 ppt | 7/18/2023 |
| PFBS | 4 ppt | — | 7/18/2023 |
| PFOS | 4 ppt | 4 ppt | 7/18/2023 |
| PFHxA | 4 ppt | — | 7/18/2023 |
| PFPeA | 4 ppt | — | 7/18/2023 |
| PFOA | 4 ppt | 4 ppt | 2/7/2024 |
| PFPeA | 4 ppt | — | 2/7/2024 |
| PFBS | 3 ppt | — | 7/18/2023 |
| PFHpA | 3 ppt | — | 2/7/2024 |
| PFBS | 3 ppt | — | 2/7/2024 |
| PFHxA | 3 ppt | — | 2/7/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉