City Of Tustin
PWSID CA3010046 · Tustin, California · serves 65,143 people · surface water source
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Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 4.2 ppt | 4 ppt | 4/22/2025 |
| PFPeA | 3.7 ppt | — | 11/20/2025 |
| PFHxS | 3.5 ppt | 10 ppt | 4/22/2025 |
| PFHxS | 3.2 ppt | 10 ppt | 10/8/2024 |
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. 🎉