St Helens, City Of
PWSID OR4100724 · St Helens, Oregon · serves 13,410 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 15.5 ppt | — | 5/7/2025 |
| PFBS | 7.8 ppt | — | 8/19/2025 |
| PFBS | 3.4 ppt | — | 2/11/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | TTHM | MR | No | Archived |
| 2026-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2023-07-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2023-07-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2023-07-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2023-07-01 | Lead and Copper Rule | MR | No | Resolved |
| 2023-04-01 | TTHM | MR | No | Resolved |
| 2023-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |