Other · 2025
Mcaa in Contra Costa Water District, CA tap water
Contra Costa Water District, CA's 2025 report shows Mcaa detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | Not detected UG/L | None set |
Average Distribution | 0.7915 UG/L | None set |
Highest single sample Distribution | 1.7 UG/L | None set |
Verbatim from Contra Costa Water District, CA's 2025 Consumer Confidence Report — source document ↗
How Contra Costa Water District, CA compares
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People also ask
+Is there Mcaa in Contra Costa Water District, CA tap water?
Yes — Contra Costa Water District, CA's 2025 Consumer Confidence Report lists Mcaa at 0.7915 UG/L. Contra Costa Water District, CA's 2025 report shows Mcaa detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Mcaa in drinking water?
The EPA has not set an enforceable federal limit for Mcaa. Utilities still report any measured levels in their annual Consumer Confidence Report.
+Where does this Mcaa measurement come from?
This page reproduces the Mcaa 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.