Centralia Public Works - Water
PWSID WA5312200 · Centralia, Washington · serves 28,164 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 5.8 ppt | 4 ppt | 2/2/2025 |
| PFOS | 5.4 ppt | 4 ppt | 2/2/2025 |
| PFOS | 5.2 ppt | 4 ppt | 8/20/2024 |
| PFOS | 4.6 ppt | 4 ppt | 8/20/2024 |
| PFBS | 4.2 ppt | — | 2/2/2025 |
| PFBS | 3.9 ppt | — | 8/20/2024 |
| PFBS | 3.3 ppt | — | 8/20/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Revised Total Coliform Rule | MON | No | Resolved |