PWSID: CA4010002 · ATASCADERO, CA · Serving 30,618 people
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. This is not a current violation — the federal compliance deadline is April 2029 (a proposed extension to 2031 is not final). Detections above the MCL do define eligibility for open PFAS settlement funds.
Source: EPA UCMR5 (UCMR5) · 1000 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|---|---|---|---|
| 6:2 FTS | ND | — | Below MRL | 2023-04-19 |
| PFMBA | ND | — | Below MRL | 2023-10-11 |
| NEtFOSAA | ND | — | Below MRL | 2023-10-11 |
| PFTrDA | ND | — | Below MRL | 2023-04-19 |
| PFNA | ND | 10 | Below MRL | 2023-04-19 |
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