PFAS ("forever chemicals") · 2023
Perfluorobutanesulfonic acid in Liberty Utilities - Bellflower-norwalk — Downey, Ca, CA tap water
Liberty Utilities - Bellflower-norwalk — Downey, Ca, 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 |
|---|---|---|
Range LU Sources | 0–2.1 ng/L | None set |
Range MWD | Not detected ng/L | None set |
Average LU Sources | 1 ng/L | None set |
Average MWD | Not detected ng/L | None set |
Verbatim from Liberty Utilities - Bellflower-norwalk — Downey, 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 Liberty Utilities - Bellflower-norwalk — Downey, Ca, CA compares
Nearby systems also reporting Perfluorobutanesulfonic acid:
People also ask
+Is there Perfluorobutanesulfonic acid in Liberty Utilities - Bellflower-norwalk — Downey, Ca, CA tap water?
Yes — Liberty Utilities - Bellflower-norwalk — Downey, Ca, CA's 2023 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 1 ng/L. Liberty Utilities - Bellflower-norwalk — Downey, 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 Liberty Utilities - Bellflower-norwalk — Downey, 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/liberty-utilities-bellflower-norwalk-downey-ca/2023/source.