PFAS ("forever chemicals") · 2023
Perfluorobutanesulfonic acid in Cal-water Service Co.-chico, CA tap water
Cal-water Service Co.-chico, CA's 2023 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | 3.8 ng/L | None set |
Verbatim from Cal-water Service Co.-chico, 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 Cal-water Service Co.-chico, CA 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 Cal-water Service Co.-chico, CA tap water?
Yes — Cal-water Service Co.-chico, CA's 2023 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 3.8 ng/L. Cal-water Service Co.-chico, 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.
+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 2023 Consumer Confidence Report published by the Cal-water Service Co.-chico, 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-water-service-co-chico/2023/source.