Auburn City Of
PWSID WA5303350 · Auburn, Washington · serves 107,655 people · groundwater source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 4.1 ppt | — | 5/19/2025 |
| PFBS | 3.9 ppt | — | 11/6/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Nitrate | MR | No | Archived |
| 2025-01-01 | Nitrate | MR | No | Archived |