PFAS ("forever chemicals") · 2024
Hexafluoropropylene oxide dimer acid in City of Baltimore, MD tap water
City of Baltimore, MD's 2024 Hexafluoropropylene oxide dimer acid measurement is below the federal limit of 10 ng/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Ashburton Plant | 0.25 ng/L | 10 ng/L MCL |
Maximum Montebello Plants | 0.0008 ng/L | 10 ng/L MCL |
Maximum Ashburton Plant | Not detected ng/L | None set |
Maximum Montebello Plants | Not detected ng/L | None set |
Verbatim from City of Baltimore, 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 City of Baltimore, MD compares
3 of the 7 MD 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 City of Baltimore, MD tap water?
Yes — City of Baltimore, MD's 2024 Consumer Confidence Report lists Hexafluoropropylene oxide dimer acid at 0.25 ng/L. City of Baltimore, MD's 2024 Hexafluoropropylene oxide dimer acid measurement is below the federal limit of 10 ng/L (MCL).
+What's the federal limit for Hexafluoropropylene oxide dimer acid in drinking water?
The federal MCL for Hexafluoropropylene oxide dimer acid is 10 ng/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?
3 of the 7 MD systems on The Water Map measuring Hexafluoropropylene oxide dimer acid report it at or above the federal limit. Examples include Backbone Mountain Boys Camp, MD, Cheltenham Youth Facility, MD, Town of Accident, MD.
+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 City of Baltimore, 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/baltimore/2024/source.