Weaverville C.s.d.
PWSID CA5310001 · Weaverville, California · serves 3,975 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 19 ppt | 4 ppt | 5/31/2023 |
| PFOS | 13.4 ppt | 4 ppt | 7/10/2024 |
| PFOS | 11.7 ppt | 4 ppt | 6/10/2024 |
| PFHxS | 5.6 ppt | 10 ppt | 5/31/2023 |
| PFOS | 5.5 ppt | 4 ppt | 9/11/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-12-01 | Surface Water Treatment Rule | TT | Yes | Archived |