Disinfection byproducts · 2025

Bromodichloromethane in Irvine Ranch Water District, CA tap water

Detected — no federal limit

Irvine Ranch Water District, CA's 2025 report shows Bromodichloromethane detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Source water
0.8 UG/L
Highest single sample
Distribution
10.9 UG/L
Average
Entry point
6.0616666666666665 UG/L
Average
Source water
0.2648648648648649 UG/L
Average
Distribution
6.230571428571428 UG/L
Highest single sample
Entry point
12 UG/L

Verbatim from Irvine Ranch Water District, CA's 2025 Consumer Confidence Report — source document ↗

About Bromodichloromethane

A trihalomethane disinfection byproduct.

Counted within regulated total trihalomethanes; long-term exposure is associated with cancer and reproductive effects.

How Irvine Ranch Water District, CA compares

Nearby systems also reporting Bromodichloromethane:

People also ask

+Is there Bromodichloromethane in Irvine Ranch Water District, CA tap water?

Yes — Irvine Ranch Water District, CA's 2025 Consumer Confidence Report lists Bromodichloromethane at 6.230571428571428 UG/L. Irvine Ranch Water District, CA's 2025 report shows Bromodichloromethane detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Bromodichloromethane in drinking water?

The EPA has not set an enforceable federal limit for Bromodichloromethane. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Bromodichloromethane?

A trihalomethane disinfection byproduct. Counted within regulated total trihalomethanes; long-term exposure is associated with cancer and reproductive effects.

+Where does this Bromodichloromethane measurement come from?

This page reproduces the Bromodichloromethane entry from the 2025 Consumer Confidence Report published by the Irvine Ranch Water District, 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-ranch-water-district/2025/source.

Full report
All Irvine Ranch Water District, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Bromodichloromethane across the U.S. →
Every public water system measuring Bromodichloromethane, ranked.