PFAS ("forever chemicals") · 2024

Perfluorohexanoic acid in Boonsboro Keedysville, MD tap water

Over the federal limit· 2.5× the limit

Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows Perfluorohexanoic acid at or above the federal limit (3 ug/L MCL). Measured value is 2.5× the threshold.

The measurement

StatisticValue
Reported level
System-wide
0.0074 ug/L
Reported level
Casrn
307–4
Reported level
System-wide
7.4 ng/L

Verbatim from Boonsboro Keedysville, MD's 2024 Consumer Confidence Report — source document ↗

About Perfluorohexanoic acid

Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'

Monitored under EPA rules; persistent and widely detected.

How Boonsboro Keedysville, MD compares

5 of the 134 systems measuring Perfluorohexanoic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluorohexanoic acid:

People also ask

+Is there Perfluorohexanoic acid in Boonsboro Keedysville, MD tap water?

Yes — Boonsboro Keedysville, MD's 2024 Consumer Confidence Report lists Perfluorohexanoic acid at 7.4 ng/L. Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows Perfluorohexanoic acid at or above the federal limit (3 ug/L MCL). Measured value is 2.5× the threshold.

+What's the federal limit for Perfluorohexanoic acid in drinking water?

The federal MCL for Perfluorohexanoic acid is 3 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Perfluorohexanoic acid?

Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent and widely detected.

+Which other U.S. cities have Perfluorohexanoic acid over the federal limit?

5 of the 134 systems on The Water Map measuring Perfluorohexanoic acid report it at or above the federal limit. Examples include New Braunfels, TX, Burbank, CA, Pomona, CA.

+Where does this Perfluorohexanoic acid measurement come from?

This page reproduces the Perfluorohexanoic 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.

Full report
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Every contaminant measured in the 2024 report.
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Perfluorohexanoic acid across the U.S. →
Every public water system measuring Perfluorohexanoic acid, ranked.