SONOMA, CITY OF
PWSID: CA4910012 · SONOMA, CA · Serving 11,725 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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Upgrade to ProExceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
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
40 ppt
Highest single detection
2023-07-19
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 378 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFMPA | ND | — | Below MRL | 2024-01-16 |
| 8:2 FTS | ND | — | Below MRL | 2023-07-19 |
| PFBA | ND | — | Below MRL | 2023-07-19 |
| PFMPA | ND | — | Below MRL | 2023-07-19 |
| PFPeA | ND | — | Below MRL | 2023-07-19 |