City Of Atwater
PWSID CA2410001 · Atwater, California · serves 29,479 people · groundwater source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 59 ppt | 10 ppt | 5/7/2024 |
| PFOS | 45 ppt | 4 ppt | 5/7/2024 |
| PFOA | 33 ppt | 4 ppt | 5/7/2024 |
| PFPeA | 27 ppt | — | 5/7/2024 |
| PFHxS | 26 ppt | 10 ppt | 5/7/2024 |
| PFHxA | 25 ppt | — | 5/7/2024 |
| PFHxS | 19 ppt | 10 ppt | 10/31/2023 |
| PFPeA | 14 ppt | — | 10/31/2023 |
| PFOS | 14 ppt | 4 ppt | 5/7/2024 |
| 6:2 FTS | 13 ppt | — | 5/7/2024 |
| PFHpA | 12 ppt | — | 5/7/2024 |
| PFBA | 11 ppt | — | 10/31/2023 |
| PFOA | 11 ppt | 4 ppt | 5/7/2024 |
| PFHxA | 9.7 ppt | — | 5/7/2024 |
| PFOA | 9.6 ppt | 4 ppt | 10/31/2023 |
| PFOS | 9.5 ppt | 4 ppt | 10/31/2023 |
| PFPeA | 9.3 ppt | — | 5/7/2024 |
| PFHxA | 8.7 ppt | — | 10/31/2023 |
| PFPeS | 8.2 ppt | — | 5/7/2024 |
| PFBA | 8 ppt | — | 5/7/2024 |
| PFBS | 7.8 ppt | — | 5/7/2024 |
| PFPeA | 7.4 ppt | — | 10/31/2023 |
| PFHxS | 5 ppt | 10 ppt | 5/7/2024 |
| PFPeA | 4.8 ppt | — | 5/7/2024 |
| PFHpA | 4.6 ppt | — | 5/7/2024 |
| PFHxS | 4.6 ppt | 10 ppt | 10/31/2023 |
| PFBS | 4.3 ppt | — | 5/7/2024 |
| PFPeS | 4.1 ppt | — | 5/7/2024 |
| PFPeA | 4 ppt | — | 10/31/2023 |
| PFHxA | 3.7 ppt | — | 5/7/2024 |
| PFHxS | 3.7 ppt | 10 ppt | 5/7/2024 |
| PFHxS | 3.4 ppt | 10 ppt | 5/7/2024 |
| PFHxA | 3.2 ppt | — | 10/31/2023 |
| PFPeA | 3.2 ppt | — | 5/7/2024 |
| PFHxS | 3.2 ppt | 10 ppt | 10/31/2023 |
| PFBS | 3.1 ppt | — | 10/31/2023 |
| PFHpA | 3.1 ppt | — | 10/31/2023 |
| PFPeA | 3.1 ppt | — | 5/7/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉