PFAS ("forever chemicals") · 2024
Perfluorononanoic acid in Boonsboro Keedysville, MD tap water
Boonsboro Keedysville, MD's 2024 Perfluorononanoic acid measurement is below the federal limit of 4 (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Casrn | 375–1 | 4 MCL |
Reported level System-wide | Not detected ng/L | 4 ng/L MCL |
Reported level System-wide | Not detected ug/L | 10 ug/L MCL |
Reported level System-wide | Not detected ug/L | 4 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 Perfluorononanoic acid
Perfluorononanoic acid, a PFAS 'forever chemical.'
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
How Boonsboro Keedysville, MD compares
1 of the 68 systems measuring Perfluorononanoic acid on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluorononanoic acid:
People also ask
+Is there Perfluorononanoic acid in Boonsboro Keedysville, MD tap water?
Yes — Boonsboro Keedysville, MD's 2024 Consumer Confidence Report lists Perfluorononanoic acid at 375–1. Boonsboro Keedysville, MD's 2024 Perfluorononanoic acid measurement is below the federal limit of 4 (MCL).
+What's the federal limit for Perfluorononanoic acid in drinking water?
The federal MCL for Perfluorononanoic acid is 4 . The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Perfluorononanoic acid?
Perfluorononanoic 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 Perfluorononanoic acid over the federal limit?
1 of the 68 systems on The Water Map measuring Perfluorononanoic acid report it at or above the federal limit. Examples include Pomona, CA.
+Where does this Perfluorononanoic acid measurement come from?
This page reproduces the Perfluorononanoic 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.