Gswc-San Dimas
PWSID CA1910142 · San Dimas, California · serves 56,564 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 20 ppt | — | 8/27/2025 |
| PFBA | 13 ppt | — | 8/27/2025 |
| PFBA | 11 ppt | — | 8/27/2025 |
| PFOS | 4.6 ppt | 4 ppt | 5/14/2025 |
| PFOS | 4.5 ppt | 4 ppt | 11/18/2024 |
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. 🎉