PFAS ("forever chemicals") · 2025

Perfluorononanoic acid in Bakersfield, City of, CA tap water

Detected — no federal limit

Bakersfield, City of, CA's 2025 report shows Perfluorononanoic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
1.1487046632124351 NG/L
Highest single sample
Entry point
4.7 ng/L
Highest single sample
Entry point
Not detected NG/L
Highest single sample
Source water
10 NG/L

Verbatim from Bakersfield, City of, 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 Bakersfield, City of, CA compares

Nearby systems also reporting Perfluorononanoic acid:

People also ask

+Is there Perfluorononanoic acid in Bakersfield, City of, CA tap water?

Yes — Bakersfield, City of, CA's 2025 Consumer Confidence Report lists Perfluorononanoic acid at 1.1487046632124351 NG/L. Bakersfield, City of, 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 federal MCL for Perfluorononanoic acid is 10 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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 Bakersfield, City of, 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/bakersfield/2025/source.

Full report
All Bakersfield, City of, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Perfluorononanoic acid across the U.S. →
Every public water system measuring Perfluorononanoic acid, ranked.