PFAS ("forever chemicals") · 2023

Perfluorobutanesulfonic acid in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water

Not detected

Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report tested for Perfluorobutanesulfonic acid and reported no detectable amount.

The measurement

StatisticValue
Reported level
Lake Perris
Not detected ng/L
Reported level
Lake Skinner
Not detected ng/L
Reported level
Diemer Plant
Not detected ng/L
Reported level
Mills Plant
Not detected ng/L
Reported level
Jensen Plant
Not detected ng/L
Reported level
Weymouth Plant
Not detected ng/L
Reported level
Diamond Valley Lake
Not detected ng/L
Reported level
Silverwood Lake
Not detected ng/L
Reported level
Castaic Lake
Not detected ng/L
Reported level
Skinner Plant
Not detected ng/L
Reported level
Lake Mathews
Not detected ng/L
Reported level
Lake Havasu
Not detected ng/L

Verbatim from Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 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 Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA compares

Nearby systems also reporting Perfluorobutanesulfonic acid:

People also ask

+Is there Perfluorobutanesulfonic acid in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water?

Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report tested for Perfluorobutanesulfonic acid and found no detectable amount.

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

The federal NL for Perfluorobutanesulfonic acid is 500 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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 2023 Consumer Confidence Report published by the Foothill Municipal Water Dist. — La Canada Flintridge, 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/foothill-municipal-water-dist-la-canada-flintridge-ca/2023/source.

Full report
All Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
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Perfluorobutanesulfonic acid across the U.S. →
Every public water system measuring Perfluorobutanesulfonic acid, ranked.