Other · 2026
Dbaa in California Water Service - San Mateo, CA tap water
California Water Service - San Mateo, CA's 2026 report shows Dbaa detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 1.2125 UG/L | None set |
Highest single sample Distribution | 1.9 UG/L | None set |
Verbatim from California Water Service - San Mateo, CA's 2026 Consumer Confidence Report — source document ↗
How California Water Service - San Mateo, CA compares
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People also ask
+Is there Dbaa in California Water Service - San Mateo, CA tap water?
Yes — California Water Service - San Mateo, CA's 2026 Consumer Confidence Report lists Dbaa at 1.2125 UG/L. California Water Service - San Mateo, CA's 2026 report shows Dbaa detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Dbaa in drinking water?
The EPA has not set an enforceable federal limit for Dbaa. Utilities still report any measured levels in their annual Consumer Confidence Report.
+Where does this Dbaa measurement come from?
This page reproduces the Dbaa entry from the 2026 Consumer Confidence Report published by the California Water Service - San Mateo, 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/california-water-service-san-mateo/2026/source.