PFAS ("forever chemicals") · 2022

Perfluorobutanesulfonic acid in Cal-am Water Company - Duarte — Rosemead, Ca, CA tap water

Detected — no federal limit

Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
System-wide
1.3 ng/L
Range
Range Detected
9.5 ng/L

Verbatim from Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 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 Cal-am Water Company - Duarte — Rosemead, Ca, CA compares

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People also ask

+Is there Perfluorobutanesulfonic acid in Cal-am Water Company - Duarte — Rosemead, Ca, CA tap water?

Yes — Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 1.3 ng/L. Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 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 2022 Consumer Confidence Report published by the Cal-am Water Company - Duarte — Rosemead, Ca, 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/cal-am-water-company-duarte-rosemead-ca/2022/source.

Full report
All Cal-am Water Company - Duarte — Rosemead, Ca, CA water-quality data →
Every contaminant measured in the 2022 report.
Contaminant pillar
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Every public water system measuring Perfluorobutanesulfonic acid, ranked.