Disinfection byproducts · 2025
Bromoform in Contra Costa Water District, CA tap water
Contra Costa Water District, CA's 2025 report shows Bromoform detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Distribution | 6.8 UG/L | None set |
Highest single sample Entry point | 1 UG/L | None set |
Average Entry point | 0.9066666666666667 UG/L | None set |
Average Distribution | 1.986 UG/L | None set |
Verbatim from Contra Costa Water District, CA's 2025 Consumer Confidence Report — source document ↗
About Bromoform
A trihalomethane disinfection byproduct.
Counted within regulated total trihalomethanes; long-term exposure is associated with liver and kidney effects.
How Contra Costa Water District, CA compares
Nearby systems also reporting Bromoform:
People also ask
+Is there Bromoform in Contra Costa Water District, CA tap water?
Yes — Contra Costa Water District, CA's 2025 Consumer Confidence Report lists Bromoform at 1.986 UG/L. Contra Costa Water District, CA's 2025 report shows Bromoform detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Bromoform in drinking water?
The EPA has not set an enforceable federal limit for Bromoform. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Bromoform?
A trihalomethane disinfection byproduct. Counted within regulated total trihalomethanes; long-term exposure is associated with liver and kidney effects.
+Where does this Bromoform measurement come from?
This page reproduces the Bromoform entry from the 2025 Consumer Confidence Report published by the Contra Costa 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/contra-costa-water-district/2025/source.