PFAS ("forever chemicals") · 2024
Hexafluoropropylene oxide dimer acid in Columbia, SC tap water
Columbia, SC's 2024 Hexafluoropropylene oxide dimer acid level is between 80% and 100% of the federal limit — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 8.200000000000001–9.2 ng/L | None set |
Average System-wide | 8.7 ng/L | None set |
Verbatim from Columbia, SC's 2024 Consumer Confidence Report — source document ↗
About Hexafluoropropylene oxide dimer acid
HFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound.
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
How Columbia, SC compares
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People also ask
+Is there Hexafluoropropylene oxide dimer acid in Columbia, SC tap water?
Yes — Columbia, SC's 2024 Consumer Confidence Report lists Hexafluoropropylene oxide dimer acid at 8.7 ng/L. Columbia, SC's 2024 Hexafluoropropylene oxide dimer acid level is between 80% and 100% of the federal limit — measured but not in violation.
+What's the federal limit for Hexafluoropropylene oxide dimer acid in drinking water?
The EPA has not set an enforceable federal limit for Hexafluoropropylene oxide dimer acid. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Hexafluoropropylene oxide dimer acid?
HFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
+Where does this Hexafluoropropylene oxide dimer acid measurement come from?
This page reproduces the Hexafluoropropylene oxide dimer acid entry from the 2024 Consumer Confidence Report published by the Columbia, 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/columbia/2024/source.