Metals · 2024
Boron in Costa Mesa, CA tap water
Costa Mesa, CA's 2024 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Average Amount | 0.2 mg/L | None set |
Range System-wide | 0.14 mg/L | None set |
Range System-wide | 0–0.51 mg/L | None set |
Average Diemer | 0.14 mg/L | None set |
Average Weymouth | 0.14 mg/L | None set |
Verbatim from Costa Mesa, CA's 2024 Consumer Confidence Report — source document ↗
About Boron
A naturally occurring element from rock and soil.
No enforceable federal limit; the EPA has issued a health advisory level.
How Costa Mesa, CA compares
5 of the 57 systems measuring Boron on The Water Map have it at or above the federal limit:
Nearby systems also reporting Boron:
People also ask
+Is there Boron in Costa Mesa, CA tap water?
Yes — Costa Mesa, CA's 2024 Consumer Confidence Report lists Boron at 0.2 mg/L. Costa Mesa, CA's 2024 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Boron in drinking water?
The EPA has not set an enforceable federal limit for Boron. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Boron?
A naturally occurring element from rock and soil. No enforceable federal limit; the EPA has issued a health advisory level.
+Which other U.S. cities have Boron over the federal limit?
5 of the 57 systems on The Water Map measuring Boron report it at or above the federal limit. Examples include Oxnard, CA, Burbank, CA, Inglewood, CA.
+Where does this Boron measurement come from?
This page reproduces the Boron entry from the 2024 Consumer Confidence Report published by the Costa Mesa, 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/costa-mesa/2024/source.