Tempe City Of
PWSID AZ0407100 · Tempe, Arizona · serves 165,000 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 70.5 ppt | 10 ppt | 7/9/2024 |
| PFHxS | 65 ppt | 10 ppt | 1/14/2025 |
| PFOS | 55.8 ppt | 4 ppt | 1/14/2025 |
| PFOS | 54.5 ppt | 4 ppt | 7/9/2024 |
| PFOA | 38.7 ppt | 4 ppt | 1/14/2025 |
| PFOA | 37.2 ppt | 4 ppt | 7/9/2024 |
| PFOS | 29.2 ppt | 4 ppt | 1/15/2025 |
| PFOS | 26.7 ppt | 4 ppt | 1/14/2025 |
| PFBS | 25.7 ppt | — | 7/9/2024 |
| PFBS | 25 ppt | — | 1/14/2025 |
| PFOS | 24.2 ppt | 4 ppt | 7/9/2024 |
| PFHxA | 22.5 ppt | — | 7/9/2024 |
| PFHxA | 21.4 ppt | — | 1/14/2025 |
| PFOS | 20 ppt | 4 ppt | 7/11/2024 |
| PFBS | 16.8 ppt | — | 10/25/2023 |
| PFHxS | 16 ppt | 10 ppt | 1/15/2025 |
| PFPeA | 14.4 ppt | — | 7/9/2024 |
| PFPeA | 14.4 ppt | — | 1/14/2025 |
| PFHxA | 13.5 ppt | — | 1/15/2025 |
| PFOA | 13.1 ppt | 4 ppt | 1/15/2025 |
| PFBS | 11.7 ppt | — | 2/26/2024 |
| PFPeA | 11.5 ppt | — | 1/15/2025 |
| PFHxS | 11.4 ppt | 10 ppt | 7/11/2024 |
| PFBS | 10.2 ppt | — | 1/15/2025 |
| PFBS | 10 ppt | — | 8/7/2023 |
| PFBA | 9.9 ppt | — | 1/14/2025 |
| PFOA | 9.9 ppt | 4 ppt | 1/14/2025 |
| PFBA | 9.8 ppt | — | 7/9/2024 |
| PFOA | 9.5 ppt | 4 ppt | 7/11/2024 |
| PFOS | 9.3 ppt | 4 ppt | 3/18/2025 |
| PFHxA | 9 ppt | — | 7/11/2024 |
| PFBS | 8.3 ppt | — | 1/2/2024 |
| PFBS | 8 ppt | — | 7/13/2023 |
| PFPeS | 8 ppt | — | 7/9/2024 |
| PFOA | 8 ppt | 4 ppt | 7/9/2024 |
| PFBS | 7.6 ppt | — | 7/11/2024 |
| PFPeA | 7.5 ppt | — | 7/11/2024 |
| PFPeS | 7.1 ppt | — | 1/14/2025 |
| PFHpA | 7 ppt | — | 7/9/2024 |
| PFOS | 7 ppt | 4 ppt | 7/10/2024 |
| PFBS | 6.8 ppt | — | 4/2/2024 |
| PFHxS | 6.8 ppt | 10 ppt | 1/14/2025 |
| PFBS | 6.5 ppt | — | 4/2/2024 |
| PFHpA | 6.3 ppt | — | 1/15/2025 |
| PFHpA | 6.1 ppt | — | 1/14/2025 |
| PFHxS | 6 ppt | 10 ppt | 7/9/2024 |
| PFBA | 5.9 ppt | — | 1/15/2025 |
| PFBS | 5.9 ppt | — | 1/16/2025 |
| PFHxS | 5.8 ppt | 10 ppt | 3/18/2025 |
| PFOS | 5.6 ppt | 4 ppt | 1/16/2025 |
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. 🎉