PFAS ("forever chemicals") · 2024

Perfluoropentanesulfonic acid (PFPeS) in Boonsboro Keedysville, MD tap water

Over the federal limit· 1.0× the limit

Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows Perfluoropentanesulfonic acid (PFPeS) at or above the federal limit (4 ng/L MCL). Measured value is 1.0× the threshold.

The measurement

StatisticValue
Reported level
System-wide
Not detected ng/L
Reported level
Casrn
2706–4
Reported level
System-wide
Not detected ug/L

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

About Perfluoropentanesulfonic acid (PFPeS)

Perfluoropentanesulfonic acid, a PFAS 'forever chemical.'

Monitored under EPA rules; persistent in the environment.

How Boonsboro Keedysville, MD compares

1 of the 37 systems measuring Perfluoropentanesulfonic acid (PFPeS) on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluoropentanesulfonic acid (PFPeS):

People also ask

+Is there Perfluoropentanesulfonic acid (PFPeS) in Boonsboro Keedysville, MD tap water?

Yes — Boonsboro Keedysville, MD's 2024 Consumer Confidence Report lists Perfluoropentanesulfonic acid (PFPeS) at 2706–4. Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows Perfluoropentanesulfonic acid (PFPeS) at or above the federal limit (4 ng/L MCL). Measured value is 1.0× the threshold.

+What's the federal limit for Perfluoropentanesulfonic acid (PFPeS) in drinking water?

The federal MCL for Perfluoropentanesulfonic acid (PFPeS) is 4 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Perfluoropentanesulfonic acid (PFPeS)?

Perfluoropentanesulfonic acid, a PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.

+Which other U.S. cities have Perfluoropentanesulfonic acid (PFPeS) over the federal limit?

1 of the 37 systems on The Water Map measuring Perfluoropentanesulfonic acid (PFPeS) report it at or above the federal limit. Examples include Burbank, CA.

+Where does this Perfluoropentanesulfonic acid (PFPeS) measurement come from?

This page reproduces the Perfluoropentanesulfonic acid (PFPeS) 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
All Boonsboro Keedysville, MD water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perfluoropentanesulfonic acid (PFPeS) across the U.S. →
Every public water system measuring Perfluoropentanesulfonic acid (PFPeS), ranked.