PFAS ("forever chemicals") · 2024

Perfluorobutanesulfonic acid in Gilbert, AZ tap water

Detected — no federal limit

Gilbert, AZ's 2024 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
System-wide
3.6 ng/L
Reported level
System-wide
18.1 ng/L
Reported level
System-wide
15.3 ng/L
Reported level
System-wide
13.2 ng/L
Reported level
System-wide
12.9 ng/L
Reported level
Location
25
Reported level
Location
7

Verbatim from Gilbert, AZ's 2024 Consumer Confidence Report — source document ↗

About Perfluorobutanesulfonic acid

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

Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.

How Gilbert, AZ compares

Nearby systems also reporting Perfluorobutanesulfonic acid:

People also ask

+Is there Perfluorobutanesulfonic acid in Gilbert, AZ tap water?

Yes — Gilbert, AZ's 2024 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 25. Gilbert, AZ's 2024 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Perfluorobutanesulfonic acid?

Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.

+Where does this Perfluorobutanesulfonic acid measurement come from?

This page reproduces the Perfluorobutanesulfonic acid entry from the 2024 Consumer Confidence Report published by the Gilbert, AZ 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/az/gilbert/2024/source.

Full report
All Gilbert, AZ water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perfluorobutanesulfonic acid across the U.S. →
Every public water system measuring Perfluorobutanesulfonic acid, ranked.