Disinfection byproducts · 2026

Chloroform in Irvine Ranch Water District, CA tap water

Detected — no federal limit

Irvine Ranch Water District, CA's 2026 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Source water
Not detected UG/L
Highest single sample
Distribution
9.2 UG/L
Average
Distribution
4.8945454545454545 UG/L

Verbatim from Irvine Ranch Water District, CA's 2026 Consumer Confidence Report — source document ↗

About Chloroform

A trihalomethane formed when chlorine reacts with organic matter in water.

A component of regulated total trihalomethanes; long-term exposure is linked to liver and kidney effects.

How Irvine Ranch Water District, CA compares

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People also ask

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

Yes — Irvine Ranch Water District, CA's 2026 Consumer Confidence Report lists Chloroform at 4.8945454545454545 UG/L. Irvine Ranch Water District, CA's 2026 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Chloroform?

A trihalomethane formed when chlorine reacts with organic matter in water. A component of regulated total trihalomethanes; long-term exposure is linked to liver and kidney effects.

+Where does this Chloroform measurement come from?

This page reproduces the Chloroform entry from the 2026 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/2026/source.

Full report
All Irvine Ranch Water District, CA water-quality data →
Every contaminant measured in the 2026 report.
Contaminant pillar
Chloroform across the U.S. →
Every public water system measuring Chloroform, ranked.