PFAS ("forever chemicals") · 2025

PFBA in City of Fullerton, CA tap water

Detected — no federal limit

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

The measurement

StatisticValue
Average
Entry point
4.3 NG/L
Highest single sample
Entry point
6.9 NG/L
Highest single sample
Source water
7.1 NG/L
Highest single sample
Entry point
5.8999999999999995 ng/L
Average
Source water
4.304166666666666 NG/L

Verbatim from City of Fullerton, CA's 2025 Consumer Confidence Report — source document ↗

About PFBA

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

Monitored under EPA rules; persistent in the environment and the human body.

How City of Fullerton, CA compares

5 of the 219 systems measuring PFBA on The Water Map have it at or above the federal limit:

Nearby systems also reporting PFBA:

People also ask

+Is there PFBA in City of Fullerton, CA tap water?

Yes — City of Fullerton, CA's 2025 Consumer Confidence Report lists PFBA at 4.304166666666666 NG/L. City of Fullerton, CA's 2025 report shows PFBA detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is PFBA?

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

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

5 of the 219 systems on The Water Map measuring PFBA report it at or above the federal limit. Examples include City of Hampton, VA, City of Poquoson, VA, Hampton, VA.

+Where does this PFBA measurement come from?

This page reproduces the PFBA entry from the 2025 Consumer Confidence Report published by the City of Fullerton, 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/fullerton/2025/source.

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