PFAS ("forever chemicals") · 2024
Hexafluoropropylene oxide dimer acid in Boonsboro Keedysville, MD tap water
Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows Hexafluoropropylene oxide dimer acid at or above the federal limit (10 ug/L MCL). Measured value is 1.2× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | Not detected ug/L | 10 ug/L MCL |
Reported level System-wide | Not detected ng/L | 5 ng/L MCL |
Reported level Casrn | 13252–6 | 5 MCL |
Reported level System-wide | Not detected ug/L | 5 ug/L MCL |
Reported level System-wide | Not detected ng/L | 10 ng/L MCL |
Verbatim from Boonsboro Keedysville, MD'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 Boonsboro Keedysville, MD compares
1 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 Boonsboro Keedysville, MD tap water?
Yes — Boonsboro Keedysville, MD's 2024 Consumer Confidence Report lists Hexafluoropropylene oxide dimer acid at 13252–6. Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows Hexafluoropropylene oxide dimer acid at or above the federal limit (10 ug/L MCL). Measured value is 1.2× the threshold.
+What's the federal limit for Hexafluoropropylene oxide dimer acid in drinking water?
The federal MCL for Hexafluoropropylene oxide dimer acid is 10 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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?
1 of the 61 systems on The Water Map measuring Hexafluoropropylene oxide dimer acid report it at or above the federal limit. Examples include 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 Boonsboro Keedysville, MD 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/md/boonsboro-keedysville/2024/source.