Disinfection byproducts · 2025

Chloroform in Los Angeles-city, Dept. of Water & Power, CA tap water

Detected — no federal limit

Los Angeles-city, Dept. of Water & Power, CA's 2025 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Distribution
5.210475308641975 UG/L
Highest single sample
Source water
Not detected UG/L
Highest single sample
Entry point
Not detected UG/L
Highest single sample
Distribution
20.3 UG/L

Verbatim from Los Angeles-city, Dept. of Water & Power, CA's 2025 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 Los Angeles-city, Dept. of Water & Power, CA compares

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People also ask

+Is there Chloroform in Los Angeles-city, Dept. of Water & Power, CA tap water?

Yes — Los Angeles-city, Dept. of Water & Power, CA's 2025 Consumer Confidence Report lists Chloroform at 5.210475308641975 UG/L. Los Angeles-city, Dept. of Water & Power, CA's 2025 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 2025 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/2025/source.

Full report
All Los Angeles-city, Dept. of Water & Power, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Chloroform across the U.S. →
Every public water system measuring Chloroform, ranked.