Inorganic chemicals · 2025

Asbestos in Contra Costa Water District, CA tap water

Not detected

Contra Costa Water District, CA's 2025 Consumer Confidence Report tested for Asbestos and reported no detectable amount.

The measurement

StatisticValue
Highest single sample
Source water
Not detected MFL
Highest single sample
Distribution
Not detected MFL
Highest single sample
Entry point
Not detected MFL

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 Asbestos in Contra Costa Water District, CA tap water?

Contra Costa Water District, CA's 2025 Consumer Confidence Report tested for Asbestos and found no detectable amount.

+What's the federal limit for Asbestos in drinking water?

The federal MCL for Asbestos is 7 MFL. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+Where does this Asbestos measurement come from?

This page reproduces the Asbestos 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.

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