PFAS ("forever chemicals") · 2024
Perfluorohexanesulfonic acid in Poolesville, MD tap water
Poolesville, MD's 2024 Consumer Confidence Report shows Perfluorohexanesulfonic acid at or above the federal limit. Measured value is 91.3× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 913 ng/L | None set |
Range of Level Detected | 0–6.9 ng/L | None set |
Verbatim from Poolesville, MD'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 Poolesville, MD compares
3 of the 11 MD systems measuring Perfluorohexanesulfonic acid on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluorohexanesulfonic acid:
People also ask
+Is there Perfluorohexanesulfonic acid in Poolesville, MD tap water?
Yes — Poolesville, MD's 2024 Consumer Confidence Report lists Perfluorohexanesulfonic acid at 913 ng/L. Poolesville, MD's 2024 Consumer Confidence Report shows Perfluorohexanesulfonic acid at or above the federal limit. Measured value is 91.3× the threshold.
+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.
+Which other U.S. cities have Perfluorohexanesulfonic acid over the federal limit?
3 of the 11 MD systems on The Water Map measuring Perfluorohexanesulfonic 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 Perfluorohexanesulfonic acid measurement come from?
This page reproduces the Perfluorohexanesulfonic acid entry from the 2024 Consumer Confidence Report published by the Poolesville, 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/poolesville/2024/source.