PFAS ("forever chemicals") · 2024

4,8-Dioxa-3H-perfluorononanoic acid (ADONA) in Boonsboro Keedysville, MD tap water

Over the federal limit· 1.3× the limit

Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) at or above the federal limit (3 ug/L MCL). Measured value is 1.3× the threshold.

The measurement

StatisticValue
Reported level
System-wide
Not detected ug/L
Reported level
System-wide
Not detected ng/L
Reported level
Casrn
919005–4

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

About 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)

ADONA, a newer-generation PFAS replacement compound.

Monitored under EPA rules as part of broad PFAS surveillance.

How Boonsboro Keedysville, MD compares

Nearby systems also reporting 4,8-Dioxa-3H-perfluorononanoic acid (ADONA):

People also ask

+Is there 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) in Boonsboro Keedysville, MD tap water?

Yes — Boonsboro Keedysville, MD's 2024 Consumer Confidence Report lists 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) at 919005–4. Boonsboro Keedysville, MD's 2024 Consumer Confidence Report shows 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) at or above the federal limit (3 ug/L MCL). Measured value is 1.3× the threshold.

+What's the federal limit for 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) in drinking water?

The federal MCL for 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 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 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)?

ADONA, a newer-generation PFAS replacement compound. Monitored under EPA rules as part of broad PFAS surveillance.

+Where does this 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) measurement come from?

This page reproduces the 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 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.

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