PFAS ("forever chemicals") · 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) in Los Angeles-city, Dept. of Water & Power, CA tap water
Los Angeles-city, Dept. of Water & Power, CA's 2026 Consumer Confidence Report tested for 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | Not detected NG/L | None set |
Highest single sample Source water | Not detected NG/L | None set |
Verbatim from Los Angeles-city, Dept. of Water & Power, CA's 2026 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 Los Angeles-city, Dept. of Water & Power, CA compares
1 of the 161 systems measuring 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) on The Water Map have it at or above the federal limit:
Nearby systems also reporting 4,8-Dioxa-3H-perfluorononanoic acid (ADONA):
People also ask
+Is there 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) in Los Angeles-city, Dept. of Water & Power, CA tap water?
Los Angeles-city, Dept. of Water & Power, CA's 2026 Consumer Confidence Report tested for 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) and found no detectable amount.
+What's the federal limit for 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) in drinking water?
The EPA has not set an enforceable federal limit for 4,8-Dioxa-3H-perfluorononanoic acid (ADONA). Utilities still report any measured levels in their annual Consumer Confidence Report.
+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.
+Which other U.S. cities have 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) over the federal limit?
1 of the 161 systems on The Water Map measuring 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) report it at or above the federal limit. Examples include Boonsboro Keedysville, MD.
+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 2026 Consumer Confidence Report published by the Los Angeles-city, Dept. of Water & Power, CA 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/ca/los-angeles-city-dept-of-water-power/2026/source.