PFAS ("forever chemicals") · 2024

Hexafluoropropylene oxide dimer acid in Wilmington, NC tap water

Detected — no federal limit

Wilmington, NC's 2024 report shows Hexafluoropropylene oxide dimer acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
System-wide
Not detected ng/L
Range
System-wide
Not detected ng/L
Range
System-wide
Not detected ng/L
Average
System-wide
0.09 ng/L
Range
System-wide
Not detected ng/L
Average
System-wide
Not detected ng/L
Range
System-wide
0–0.892 ng/L
Range
System-wide
0–0.766 ng/L
Average
System-wide
Not detected ng/L
Average
System-wide
0.0395 ng/L

Verbatim from Wilmington, NC'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 Wilmington, NC compares

2 of the 61 systems measuring Hexafluoropropylene oxide dimer acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Hexafluoropropylene oxide dimer acid:

People also ask

+Is there Hexafluoropropylene oxide dimer acid in Wilmington, NC tap water?

Yes — Wilmington, NC's 2024 Consumer Confidence Report lists Hexafluoropropylene oxide dimer acid at 0.09 ng/L. Wilmington, NC's 2024 report shows Hexafluoropropylene oxide dimer acid detected, but the EPA has not set an enforceable federal limit for it.

+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.

+Which other U.S. cities have Hexafluoropropylene oxide dimer acid over the federal limit?

2 of the 61 systems on The Water Map measuring Hexafluoropropylene oxide dimer acid report it at or above the federal limit. Examples include Boonsboro Keedysville, MD, Pomona, CA.

+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 Wilmington, NC 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/nc/wilmington/2024/source.

Full report
All Wilmington, NC water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Hexafluoropropylene oxide dimer acid across the U.S. →
Every public water system measuring Hexafluoropropylene oxide dimer acid, ranked.