PFAS ("forever chemicals") · 2025
Perfluorononanoic acid in City of Clovis, CA tap water
City of Clovis, CA's 2025 report shows Perfluorononanoic acid detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 6.4 NG/L | None set |
Average Source water | 1.7916666666666667 NG/L | None set |
Verbatim from City of Clovis, CA's 2025 Consumer Confidence Report — source document ↗
About Perfluorononanoic acid
Perfluorononanoic acid, a PFAS 'forever chemical.'
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
How City of Clovis, CA compares
Nearby systems also reporting Perfluorononanoic acid:
People also ask
+Is there Perfluorononanoic acid in City of Clovis, CA tap water?
Yes — City of Clovis, CA's 2025 Consumer Confidence Report lists Perfluorononanoic acid at 1.7916666666666667 NG/L. City of Clovis, CA's 2025 report shows Perfluorononanoic acid detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Perfluorononanoic acid in drinking water?
The EPA has not set an enforceable federal limit for Perfluorononanoic acid. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Perfluorononanoic acid?
Perfluorononanoic acid, a PFAS 'forever chemical.' Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
+Where does this Perfluorononanoic acid measurement come from?
This page reproduces the Perfluorononanoic acid entry from the 2025 Consumer Confidence Report published by the City of Clovis, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/clovis/2025/source.