Olympia City Of
PWSID WA5363450 · Olympia, Washington · serves 126,966 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 5.8 ppt | 4 ppt | 4/23/2024 |
| PFBS | 4.8 ppt | — | 10/18/2023 |
| PFOA | 4.3 ppt | 4 ppt | 4/23/2024 |
| PFBS | 4.3 ppt | — | 4/23/2024 |
| PFHxA | 4 ppt | — | 4/23/2024 |
| PFPeA | 3.3 ppt | — | 4/23/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Consumer Confidence Rule | Other | No | Resolved |