Other · 2025
Dcaa in City of Hayward, CA tap water
City of Hayward, CA's 2025 report shows Dcaa detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 16.375 UG/L | None set |
Highest single sample Distribution | 26.2 UG/L | None set |
Verbatim from City of Hayward, CA's 2025 Consumer Confidence Report — source document ↗
How City of Hayward, CA compares
Nearby systems also reporting Dcaa:
People also ask
+Is there Dcaa in City of Hayward, CA tap water?
Yes — City of Hayward, CA's 2025 Consumer Confidence Report lists Dcaa at 16.375 UG/L. City of Hayward, 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 City of Hayward, 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/hayward/2025/source.