PFAS ("forever chemicals") · 2023

Perfluorobutanesulfonic acid in Valley of the Moon Water District — El Verano, Ca, CA tap water

Detected — no federal limit

Valley of the Moon Water District — El Verano, Ca, CA's 2023 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
Sonoma County Water Agency
0.21 ug/L
Reported level
Valley of the Moon Water District
0.0005 ug/L
Range
Valley of the Moon Water District
0–0.0037 ug/L
Range
Sonoma County Water Agency
0–1 ug/L

Verbatim from Valley of the Moon Water District — El Verano, 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 Valley of the Moon Water District — El Verano, Ca, CA compares

Nearby systems also reporting Perfluorobutanesulfonic acid:

People also ask

+Is there Perfluorobutanesulfonic acid in Valley of the Moon Water District — El Verano, Ca, CA tap water?

Yes — Valley of the Moon Water District — El Verano, Ca, CA's 2023 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 0–1 ug/L. Valley of the Moon Water District — El Verano, Ca, CA's 2023 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 2023 Consumer Confidence Report published by the Valley of the Moon Water District — El Verano, 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/valley-of-the-moon-water-district-el-verano-ca/2023/source.

Full report
All Valley of the Moon Water District — El Verano, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Perfluorobutanesulfonic acid across the U.S. →
Every public water system measuring Perfluorobutanesulfonic acid, ranked.