Kennewick City Of
PWSID WA5338100 · Kennewick, Washington · serves 118,164 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 11.5 ppt | 4 ppt | 1/3/2024 |
| PFHxS | 10.6 ppt | 10 ppt | 1/3/2024 |
| PFOS | 10.5 ppt | 4 ppt | 8/7/2023 |
| PFHxS | 10.5 ppt | 10 ppt | 11/7/2023 |
| PFHxS | 10.3 ppt | 10 ppt | 2/6/2023 |
| PFOS | 9.6 ppt | 4 ppt | 2/6/2023 |
| PFHxS | 9.1 ppt | 10 ppt | 8/7/2023 |
| PFOS | 8.3 ppt | 4 ppt | 11/7/2023 |
| PFPeA | 7.5 ppt | — | 8/7/2023 |
| PFPeA | 6.8 ppt | — | 1/3/2024 |
| PFPeA | 6.8 ppt | — | 11/7/2023 |
| PFHxA | 6.5 ppt | — | 8/7/2023 |
| PFBS | 6.4 ppt | — | 1/3/2024 |
| PFPeA | 6.3 ppt | — | 2/6/2023 |
| PFHxA | 6.3 ppt | — | 1/3/2024 |
| PFHxA | 5.9 ppt | — | 11/7/2023 |
| PFHxA | 5.8 ppt | — | 2/6/2023 |
| PFBS | 5.4 ppt | — | 11/7/2023 |
| PFBS | 5 ppt | — | 8/7/2023 |
| PFBS | 4.6 ppt | — | 2/6/2023 |
| PFOA | 4.6 ppt | 4 ppt | 8/7/2023 |
| PFOA | 4.3 ppt | 4 ppt | 1/3/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-04-01 | TTHM | MR | No | Resolved |