Disinfection byproducts · 2024
Chloroform in Ontario, CA tap water
Ontario, 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 |
|---|---|---|
Average Distribution | 11.6909375 UG/L | None set |
Highest single sample Distribution | 22 UG/L | None set |
Highest single sample Source water | Not detected UG/L | None set |
Verbatim from Ontario, 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 Ontario, CA compares
Nearby systems also reporting Chloroform:
People also ask
+Is there Chloroform in Ontario, CA tap water?
Yes — Ontario, CA's 2024 Consumer Confidence Report lists Chloroform at 11.6909375 UG/L. Ontario, 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 Ontario, 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/ontario/2024/source.