Other · 2026
Trans Dichloroethylene 12 in Contra Costa Water District, CA tap water
Contra Costa Water District, CA's 2026 Consumer Confidence Report tested for Trans Dichloroethylene 12 and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | Not detected UG/L | 10 UG/L MCL |
Verbatim from Contra Costa Water District, CA's 2026 Consumer Confidence Report — source document ↗
How Contra Costa Water District, CA compares
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People also ask
+Is there Trans Dichloroethylene 12 in Contra Costa Water District, CA tap water?
Contra Costa Water District, CA's 2026 Consumer Confidence Report tested for Trans Dichloroethylene 12 and found no detectable amount.
+What's the federal limit for Trans Dichloroethylene 12 in drinking water?
The federal MCL for Trans Dichloroethylene 12 is 10 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+Where does this Trans Dichloroethylene 12 measurement come from?
This page reproduces the Trans Dichloroethylene 12 entry from the 2026 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/2026/source.