PFAS ("forever chemicals") · 2020

Perfluorobutanesulfonic acid in Whittier-city, Water Dept. — Whittier, Ca, CA tap water

Detected — no federal limit

Whittier-city, Water Dept. — Whittier, Ca, CA's 2020 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Range
Source water
3.3–9 ng/L
Reported level
Source water
5.5 ng/L

Verbatim from Whittier-city, Water Dept. — Whittier, Ca, CA's 2020 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 Whittier-city, Water Dept. — Whittier, Ca, CA compares

Nearby systems also reporting Perfluorobutanesulfonic acid:

People also ask

+Is there Perfluorobutanesulfonic acid in Whittier-city, Water Dept. — Whittier, Ca, CA tap water?

Yes — Whittier-city, Water Dept. — Whittier, Ca, CA's 2020 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 3.3–9 ng/L. Whittier-city, Water Dept. — Whittier, Ca, CA's 2020 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 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 2020 Consumer Confidence Report published by the Whittier-city, Water Dept. — Whittier, 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/whittier-city-water-dept-whittier-ca/2020/source.

Full report
All Whittier-city, Water Dept. — Whittier, Ca, CA water-quality data →
Every contaminant measured in the 2020 report.
Contaminant pillar
Perfluorobutanesulfonic acid across the U.S. →
Every public water system measuring Perfluorobutanesulfonic acid, ranked.