City Of Gilroy
PWSID CA4310004 · Gilroy, California · serves 59,426 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 9.4 ppt | — | 12/17/2024 |
| PFOA | 8 ppt | 4 ppt | 12/17/2024 |
| PFPeA | 7.8 ppt | — | 12/17/2024 |
| PFHxA | 7 ppt | — | 12/17/2024 |
| PFBS | 6 ppt | — | 6/25/2025 |
| PFOA | 6 ppt | 4 ppt | 6/25/2025 |
| PFOS | 5.8 ppt | 4 ppt | 12/17/2024 |
| PFOA | 5.5 ppt | 4 ppt | 6/25/2025 |
| PFOA | 5.5 ppt | 4 ppt | 12/17/2024 |
| PFOA | 5.3 ppt | 4 ppt | 12/17/2024 |
| PFOA | 5.1 ppt | 4 ppt | 6/25/2025 |
| PFPeA | 4.5 ppt | — | 6/25/2025 |
| PFHxA | 4.1 ppt | — | 6/25/2025 |
| PFBS | 4 ppt | — | 12/17/2024 |
| PFBS | 4 ppt | — | 6/25/2025 |
| PFPeA | 3.9 ppt | — | 12/17/2024 |
| PFHpA | 3.6 ppt | — | 12/17/2024 |
| PFHxA | 3.6 ppt | — | 12/17/2024 |
| PFHxA | 3.6 ppt | — | 6/25/2025 |
| PFHxS | 3.5 ppt | 10 ppt | 12/17/2024 |
| PFPeA | 3.3 ppt | — | 6/25/2025 |
| PFBS | 3.2 ppt | — | 6/25/2025 |
| PFPeA | 3.1 ppt | — | 12/17/2024 |
| PFHxA | 3.1 ppt | — | 12/17/2024 |
| PFHxA | 3.1 ppt | — | 6/25/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2022-06-01 | Nitrate | MCL | Yes | Resolved |