City Of Anaheim
PWSID CA3010001 · Anaheim, California · serves 350,254 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 29 ppt | 4 ppt | 11/5/2024 |
| PFOS | 25.4 ppt | 4 ppt | 11/5/2024 |
| PFOS | 18.1 ppt | 4 ppt | 5/5/2025 |
| PFOS | 17.6 ppt | 4 ppt | 11/5/2024 |
| PFBA | 16.5 ppt | — | 5/7/2025 |
| PFBA | 15.6 ppt | — | 11/6/2024 |
| PFPeA | 12.4 ppt | — | 5/7/2025 |
| PFHxS | 10.9 ppt | 10 ppt | 11/5/2024 |
| PFHxS | 10.7 ppt | 10 ppt | 5/5/2025 |
| PFPeA | 10.7 ppt | — | 5/7/2025 |
| PFBA | 10.3 ppt | — | 11/6/2024 |
| PFOA | 10.1 ppt | 4 ppt | 11/5/2024 |
| PFHxS | 10.1 ppt | 10 ppt | 11/5/2024 |
| PFPeA | 10.1 ppt | — | 11/6/2024 |
| PFBA | 9.6 ppt | — | 5/7/2025 |
| PFHxS | 9.3 ppt | 10 ppt | 11/5/2024 |
| PFOA | 9.2 ppt | 4 ppt | 5/5/2025 |
| PFOA | 8.9 ppt | 4 ppt | 11/5/2024 |
| PFPeA | 8.2 ppt | — | 11/6/2024 |
| PFPeA | 7.5 ppt | — | 11/5/2024 |
| PFPeA | 7 ppt | — | 5/14/2025 |
| PFOA | 6.8 ppt | 4 ppt | 11/5/2024 |
| PFBA | 6.7 ppt | — | 5/7/2025 |
| PFPeA | 6.5 ppt | — | 11/6/2024 |
| PFBA | 6.5 ppt | — | 5/5/2025 |
| PFBA | 6.4 ppt | — | 11/5/2024 |
| PFBA | 6.2 ppt | — | 11/6/2024 |
| PFPeA | 5.7 ppt | — | 5/7/2025 |
| PFBA | 5.7 ppt | — | 5/7/2025 |
| PFOS | 5.6 ppt | 4 ppt | 11/6/2024 |
| PFOS | 5.5 ppt | 4 ppt | 5/7/2025 |
| PFBA | 5.4 ppt | — | 11/5/2024 |
| PFPeA | 5.2 ppt | — | 5/7/2025 |
| PFPeA | 5 ppt | — | 11/5/2024 |
| PFPeA | 5 ppt | — | 5/5/2025 |
| PFBA | 5 ppt | — | 11/6/2024 |
| PFPeA | 4.8 ppt | — | 5/5/2025 |
| PFHxA | 4.7 ppt | — | 5/5/2025 |
| PFPeA | 4.7 ppt | — | 5/5/2025 |
| PFHxA | 4.4 ppt | — | 11/5/2024 |
| PFHxS | 3.7 ppt | 10 ppt | 11/6/2024 |
| PFHxA | 3.7 ppt | — | 11/5/2024 |
| PFHxA | 3.6 ppt | — | 5/7/2025 |
| PFHxS | 3.5 ppt | 10 ppt | 5/7/2025 |
| PFPeA | 3.5 ppt | — | 11/5/2024 |
| PFBS | 3.4 ppt | — | 5/5/2025 |
| PFPeA | 3.4 ppt | — | 11/5/2024 |
| PFPeA | 3.1 ppt | — | 11/5/2024 |
| PFHxA | 3 ppt | — | 11/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2022-10-01 | Revised Total Coliform Rule | Other | No | Resolved |