Disinfection byproducts · 2025
Chloroform in San Diego, City of, CA tap water
San Diego, City of, 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 |
|---|---|---|
Highest single sample Source water | 1.25 UG/L | None set |
Highest single sample Other | 6.1 UG/L | None set |
Average Other | 2.9683333333333333 UG/L | None set |
Highest single sample Distribution | 19.8 UG/L | None set |
Average Source water | 0.6966666666666667 UG/L | None set |
Highest single sample Entry point | 14.2 UG/L | None set |
Average Entry point | 5.2171111111111115 UG/L | None set |
Average Distribution | 5.6471875 UG/L | None set |
Verbatim from San Diego, City of, 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 San Diego, City of, CA compares
Nearby systems also reporting Chloroform:
People also ask
+Is there Chloroform in San Diego, City of, CA tap water?
Yes — San Diego, City of, CA's 2025 Consumer Confidence Report lists Chloroform at 5.6471875 UG/L. San Diego, City of, 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 San Diego, City of, 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-diego/2025/source.