PFAS ("forever chemicals") · 2025
Perfluorobutanesulfonic acid in Catoosa Utility District Authority, TN tap water
Catoosa Utility District Authority, TN's 2025 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Citico Treatment Plant Eff | 6.8 ng/L | None set |
Range Citico Treatment Plant Eff | 3.9 ng/L | None set |
Verbatim from Catoosa Utility District Authority, TN's 2025 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 Catoosa Utility District Authority, TN compares
Nearby systems also reporting Perfluorobutanesulfonic acid:
People also ask
+Is there Perfluorobutanesulfonic acid in Catoosa Utility District Authority, TN tap water?
Yes — Catoosa Utility District Authority, TN's 2025 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 6.8 ng/L. Catoosa Utility District Authority, TN's 2025 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 2025 Consumer Confidence Report published by the Catoosa Utility District Authority, TN 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/tn/catoosa-utility-district-authority/2025/source.