Thermalito Water & Sewer Dist
PWSID CA0410008 · Oroville, California · serves 12,209 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 4.6 ppt | 4 ppt | 7/5/2023 |
| PFOS | 4.1 ppt | 4 ppt | 7/5/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2022-10-01 | Lead and Copper Rule | MR | No | Resolved |