PFAS ("forever chemicals") · 2025

Perfluoropentanoic acid in Eastern Municipal Wd, CA tap water

Detected — no federal limit

Eastern Municipal Wd, CA's 2025 report shows Perfluoropentanoic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
14.034328358208954 NG/L
Highest single sample
Source water
110 NG/L
Average
Entry point
57.36081081081081 NG/L
Highest single sample
Entry point
120 NG/L

Verbatim from Eastern Municipal Wd, CA's 2025 Consumer Confidence Report — source document ↗

About Perfluoropentanoic acid

Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'

Monitored under EPA rules; persistent in the environment.

How Eastern Municipal Wd, CA compares

5 of the 218 systems measuring Perfluoropentanoic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluoropentanoic acid:

People also ask

+Is there Perfluoropentanoic acid in Eastern Municipal Wd, CA tap water?

Yes — Eastern Municipal Wd, CA's 2025 Consumer Confidence Report lists Perfluoropentanoic acid at 57.36081081081081 NG/L. Eastern Municipal Wd, CA's 2025 report shows Perfluoropentanoic acid detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Perfluoropentanoic acid in drinking water?

The EPA has not set an enforceable federal limit for Perfluoropentanoic acid. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Perfluoropentanoic acid?

Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.

+Which other U.S. cities have Perfluoropentanoic acid over the federal limit?

5 of the 218 systems on The Water Map measuring Perfluoropentanoic acid report it at or above the federal limit. Examples include City of Poquoson, VA, Hampton, VA, York County, VA.

+Where does this Perfluoropentanoic acid measurement come from?

This page reproduces the Perfluoropentanoic acid entry from the 2025 Consumer Confidence Report published by the Eastern Municipal Wd, 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/eastern-municipal-wd/2025/source.

Full report
All Eastern Municipal Wd, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Perfluoropentanoic acid across the U.S. →
Every public water system measuring Perfluoropentanoic acid, ranked.