Disinfection byproducts · 2025
Chloroform in Pasadena Water and Power, CA tap water
Pasadena Water and Power, 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 | 9.786375 UG/L | None set |
Highest single sample Entry point | 5.93 UG/L | None set |
Average Source water | 0.9568098159509203 UG/L | None set |
Highest single sample Distribution | 44.23 UG/L | None set |
Highest single sample Source water | 2.52 UG/L | None set |
Average Entry point | 1.05247311827957 UG/L | None set |
Verbatim from Pasadena Water and 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 Pasadena Water and Power, CA compares
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People also ask
+Is there Chloroform in Pasadena Water and Power, CA tap water?
Yes — Pasadena Water and Power, CA's 2025 Consumer Confidence Report lists Chloroform at 9.786375 UG/L. Pasadena Water and 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 Pasadena Water and 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/pasadena-water-and-power/2025/source.