PFAS ("forever chemicals") · 2024

Perfluorononanoic acid in Stockton, CA tap water

Detected — no federal limit

Stockton, CA's 2024 report shows Perfluorononanoic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Source water
5.4 NG/L
Highest single sample
Distribution
Not detected NG/L
Average
Source water
2.9000000000000004 NG/L
Highest single sample
Entry point
Not detected NG/L

Verbatim from Stockton, CA's 2024 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 Stockton, CA compares

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People also ask

+Is there Perfluorononanoic acid in Stockton, CA tap water?

Yes — Stockton, CA's 2024 Consumer Confidence Report lists Perfluorononanoic acid at 2.9000000000000004 NG/L. Stockton, CA's 2024 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 2024 Consumer Confidence Report published by the Stockton, 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/stockton/2024/source.

Full report
All Stockton, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perfluorononanoic acid across the U.S. →
Every public water system measuring Perfluorononanoic acid, ranked.