CALIFORNIA WATER SERVICE CO. - HERM/REDO
PWSID: CA1910134 · SAN JOSE, CA · Serving 96,853 people
Type: CWSOwner: PSource: SW
Compliant
All PFAS compounds below EPA Maximum Contaminant Levels.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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N/A ppt
Highest single detection
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 405 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 9Cl-PF3ONS | ND | — | Below MRL | 2025-07-22 |
| PFOS | ND | 4 | Below MRL | 2025-07-22 |
| PFUnA | ND | — | Below MRL | 2025-07-22 |
| PFHxA | ND | — | Below MRL | 2025-07-22 |
| PFDA | ND | — | Below MRL | 2025-07-22 |