Other · 2025

Dcaa in Irvine Ranch Water District, CA tap water

Detected — no federal limit

Irvine Ranch Water District, CA's 2025 report shows Dcaa detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Entry point
2.36 UG/L
Average
Distribution
2.403958333333333 UG/L
Highest single sample
Distribution
6.6 UG/L
Average
Source water
1.5 UG/L
Highest single sample
Entry point
4.56 UG/L
Highest single sample
Source water
1.5 UG/L

Verbatim from Irvine Ranch Water District, CA's 2025 Consumer Confidence Report — source document ↗

How Irvine Ranch Water District, CA compares

Nearby systems also reporting Dcaa:

People also ask

+Is there Dcaa in Irvine Ranch Water District, CA tap water?

Yes — Irvine Ranch Water District, CA's 2025 Consumer Confidence Report lists Dcaa at 2.403958333333333 UG/L. Irvine Ranch Water District, CA's 2025 report shows Dcaa detected, but the EPA has not set an enforceable federal limit for it.

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

The EPA has not set an enforceable federal limit for Dcaa. Utilities still report any measured levels in their annual Consumer Confidence Report.

+Where does this Dcaa measurement come from?

This page reproduces the Dcaa entry from the 2025 Consumer Confidence Report published by the Irvine Ranch 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/irvine-ranch-water-district/2025/source.

Full report
All Irvine Ranch Water District, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
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Every public water system measuring Dcaa, ranked.