GOLDEN STATE WATER COMPANY - LOS OSOS
PWSID: CA4010017 · HAWTHORNE, CA · Serving 5,924 people
Type: CWSOwner: PSource: GW
Settlement eligible
Settlement details
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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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Upgrade to ProDetection summary
9.6 ppt
Highest single detection
2023-08-09
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 416 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| NEtFOSAA | ND | — | Below MRL | 2023-08-09 |
| PFUnA | ND | — | Below MRL | 2023-02-06 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2023-02-06 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2023-02-06 |
| ADONA | ND | — | Below MRL | 2023-02-06 |