PFAS ("forever chemicals") · 2023

Perfluorononanoic acid in City of Clovis, CA tap water

Detected — no federal limit

City of Clovis, CA's 2023 report shows Perfluorononanoic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
1.4564102564102563 NG/L
Highest single sample
Entry point
6.8999999999999995 ng/L
Highest single sample
Source water
6 NG/L

Verbatim from City of Clovis, CA's 2023 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 2023 Consumer Confidence Report lists Perfluorononanoic acid at 1.4564102564102563 NG/L. City of Clovis, CA's 2023 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 2023 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/2023/source.

Full report
All City of Clovis, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Perfluorononanoic acid across the U.S. →
Every public water system measuring Perfluorononanoic acid, ranked.