PFAS ("forever chemicals") · 2024

Perfluorobutanesulfonic acid in Richardson, TX tap water

Detected — no federal limit

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

The measurement

StatisticValue
Highest single sample
Entry point
4.5 ng/L

Verbatim from Richardson, TX'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 Richardson, TX compares

3 of the 119 systems measuring Perfluorobutanesulfonic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluorobutanesulfonic acid:

People also ask

+Is there Perfluorobutanesulfonic acid in Richardson, TX tap water?

Yes — Richardson, TX's 2024 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 4.5 ng/L. Richardson, TX'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.

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

3 of the 119 systems on The Water Map measuring Perfluorobutanesulfonic acid report it at or above the federal limit. Examples include Chula Vista Sweetwater, CA, Boonsboro Keedysville, MD, Kent, WA.

+Where does this Perfluorobutanesulfonic acid measurement come from?

This page reproduces the Perfluorobutanesulfonic acid entry from the 2024 Consumer Confidence Report published by the Richardson, TX 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/tx/richardson/2024/source.

Full report
All Richardson, TX 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.