Disinfection byproducts · 2024
Chloroform in San Mateo, CA tap water
San Mateo, CA's 2024 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Distribution | 48 UG/L | None set |
Average Distribution | 31.9375 UG/L | None set |
Verbatim from San Mateo, CA's 2024 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 San Mateo, CA compares
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People also ask
+Is there Chloroform in San Mateo, CA tap water?
Yes — San Mateo, CA's 2024 Consumer Confidence Report lists Chloroform at 31.9375 UG/L. San Mateo, CA's 2024 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 2024 Consumer Confidence Report published by the San Mateo, 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/san-mateo/2024/source.