PFAS ("forever chemicals") · 2024
Perfluorohexanesulfonic acid in Charleston, SC tap water
Charleston, SC's 2024 Perfluorohexanesulfonic acid measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Aug 2018 | 3.3 ng/L | None set |
Reported level Nov 2018 | 2.8 ng/L | None set |
Reported level Feb 2019 | 2.1 ng/L | None set |
Reported level May 2019 | 2.2 ng/L | None set |
Reported level Oct 2020 | 2.7 ng/L | None set |
Reported level Nov 2021 | 2.2 ng/L | None set |
Reported level Feb 2022 | 2.2 ng/L | None set |
Reported level Jan 2024 | 2.2 ng/L | None set |
Verbatim from Charleston, SC's 2024 Consumer Confidence Report — source document ↗
About Perfluorohexanesulfonic acid
Perfluorohexanesulfonic acid, a PFAS 'forever chemical.'
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
How Charleston, SC compares
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People also ask
+Is there Perfluorohexanesulfonic acid in Charleston, SC tap water?
Yes — Charleston, SC's 2024 Consumer Confidence Report lists Perfluorohexanesulfonic acid at 3.3 ng/L. Charleston, SC's 2024 Perfluorohexanesulfonic acid measurement is below the federal limit.
+What's the federal limit for Perfluorohexanesulfonic acid in drinking water?
The EPA has not set an enforceable federal limit for Perfluorohexanesulfonic acid. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Perfluorohexanesulfonic acid?
Perfluorohexanesulfonic acid, a PFAS 'forever chemical.' Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
+Where does this Perfluorohexanesulfonic acid measurement come from?
This page reproduces the Perfluorohexanesulfonic acid entry from the 2024 Consumer Confidence Report published by the Charleston, SC 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/sc/charleston/2024/source.