Disinfection byproducts · 2025
Chloroform in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2025 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 4.4954285714285716 UG/L | None set |
Highest single sample Distribution | 8.42 UG/L | None set |
Average Entry point | 5.33 UG/L | None set |
Highest single sample Source water | 1.6 UG/L | None set |
Average Source water | 0.3783783783783784 UG/L | None set |
Highest single sample Entry point | 12.8 UG/L | None set |
Verbatim from Irvine Ranch Water District, 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 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 2025 Consumer Confidence Report lists Chloroform at 5.33 UG/L. Irvine Ranch Water District, 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 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.