PFAS ("forever chemicals") · 2025

Perfluorodecanoic acid (PFDA) in City of San Jose - Evg/edv/coy, CA tap water

Detected — no federal limit

City of San Jose - Evg/edv/coy, CA's 2025 report shows Perfluorodecanoic acid (PFDA) detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
1.6117647058823528 NG/L
Highest single sample
Source water
13 NG/L

Verbatim from City of San Jose - Evg/edv/coy, CA's 2025 Consumer Confidence Report — source document ↗

About Perfluorodecanoic acid (PFDA)

Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.'

Monitored under EPA rules; persistent and bioaccumulative.

How City of San Jose - Evg/edv/coy, CA compares

Nearby systems also reporting Perfluorodecanoic acid (PFDA):

People also ask

+Is there Perfluorodecanoic acid (PFDA) in City of San Jose - Evg/edv/coy, CA tap water?

Yes — City of San Jose - Evg/edv/coy, CA's 2025 Consumer Confidence Report lists Perfluorodecanoic acid (PFDA) at 1.6117647058823528 NG/L. City of San Jose - Evg/edv/coy, CA's 2025 report shows Perfluorodecanoic acid (PFDA) detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Perfluorodecanoic acid (PFDA) in drinking water?

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

+What is Perfluorodecanoic acid (PFDA)?

Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent and bioaccumulative.

+Where does this Perfluorodecanoic acid (PFDA) measurement come from?

This page reproduces the Perfluorodecanoic acid (PFDA) entry from the 2025 Consumer Confidence Report published by the City of San Jose - Evg/edv/coy, 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/san-jose-evg-edv-coy/2025/source.

Full report
All City of San Jose - Evg/edv/coy, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Perfluorodecanoic acid (PFDA) across the U.S. →
Every public water system measuring Perfluorodecanoic acid (PFDA), ranked.