City Of Pleasanton
PWSID CA0110008 · Pleasanton, California · serves 76,689 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 26 ppt | 4 ppt | 2/5/2025 |
| PFHxS | 22 ppt | 10 ppt | 8/20/2024 |
| PFOS | 22 ppt | 4 ppt | 8/20/2024 |
| PFHxS | 18 ppt | 10 ppt | 2/5/2025 |
| PFOS | 15 ppt | 4 ppt | 2/5/2025 |
| PFOS | 13 ppt | 4 ppt | 8/20/2024 |
| PFHxS | 8.7 ppt | 10 ppt | 8/20/2024 |
| PFOS | 8 ppt | 4 ppt | 11/21/2024 |
| PFHxS | 6.8 ppt | 10 ppt | 2/5/2025 |
| PFHxS | 6.5 ppt | 10 ppt | 11/21/2024 |
| PFBA | 6.3 ppt | — | 8/20/2024 |
| PFBS | 6.1 ppt | — | 2/5/2025 |
| PFBA | 6 ppt | — | 2/5/2025 |
| PFBS | 5.8 ppt | — | 2/5/2025 |
| PFBS | 5.6 ppt | — | 8/20/2024 |
| PFBA | 5.3 ppt | — | 2/5/2025 |
| PFOA | 5.1 ppt | 4 ppt | 2/5/2025 |
| PFOA | 4.8 ppt | 4 ppt | 8/20/2024 |
| PFPeS | 4.3 ppt | — | 8/20/2024 |
| PFOA | 4.2 ppt | 4 ppt | 2/5/2025 |
| PFPeA | 4.1 ppt | — | 2/5/2025 |
| PFHxA | 4.1 ppt | — | 2/5/2025 |
| PFOA | 4 ppt | 4 ppt | 8/20/2024 |
| PFBS | 3.9 ppt | — | 8/20/2024 |
| PFHxA | 3.6 ppt | — | 2/5/2025 |
| PFPeA | 3.2 ppt | — | 2/5/2025 |
| PFHxA | 3 ppt | — | 8/20/2024 |
| PFHxA | 3 ppt | — | 8/20/2024 |
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. 🎉