Metals · 2023
Boron in Irvine, CA tap water
Irvine, CA's 2023 Boron measurement is below the federal limit of 1 mg/L (NL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Local Treated Groundwater | 0.15 mg/L | 1 mg/L NL |
Average Local Treated Surface Water | 0.14 mg/L | 1 mg/L NL |
Average Imported MWD Treated Water | 0.13 mg/L | 1 mg/L NL |
Range System-wide | 0–0.24 mg/L | 1 mg/L NL |
Verbatim from Irvine, CA's 2023 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 Irvine, 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 Irvine, CA tap water?
Yes — Irvine, CA's 2023 Consumer Confidence Report lists Boron at 0.15 mg/L. Irvine, CA's 2023 Boron measurement is below the federal limit of 1 mg/L (NL).
+What's the federal limit for Boron in drinking water?
The federal NL for Boron is 1 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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 2023 Consumer Confidence Report published by the Irvine, 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/irvine/2023/source.