Los Osos Community Services District
PWSID CA4010016 · Los Osos, California · serves 7,086 people · groundwater source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 18 ppt | — | 7/8/2024 |
| PFPeA | 16.8 ppt | — | 7/8/2024 |
| PFHxA | 16.6 ppt | — | 7/8/2024 |
| PFOA | 14.7 ppt | 4 ppt | 7/8/2024 |
| PFPeA | 12.8 ppt | — | 1/8/2024 |
| PFOS | 11.7 ppt | 4 ppt | 7/8/2024 |
| PFHxA | 11.1 ppt | — | 1/8/2024 |
| PFBS | 8.7 ppt | — | 1/8/2024 |
| PFHxS | 8.4 ppt | 10 ppt | 7/8/2024 |
| PFOA | 8.3 ppt | 4 ppt | 1/8/2024 |
| PFPeA | 6.2 ppt | — | 1/8/2024 |
| PFBA | 6 ppt | — | 7/8/2024 |
| PFHpA | 5.4 ppt | — | 7/8/2024 |
| PFHxA | 5.1 ppt | — | 1/8/2024 |
| PFOA | 4.5 ppt | 4 ppt | 1/8/2024 |
| PFBS | 3.8 ppt | — | 1/8/2024 |
| PFHpA | 3.5 ppt | — | 1/8/2024 |
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. 🎉