Other · 2026
Tcaa in Santa Rosa, City of, CA tap water
Santa Rosa, City of, CA's 2026 report shows Tcaa detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 4.699999999999999 UG/L | None set |
Highest single sample Distribution | 5.3 UG/L | None set |
Verbatim from Santa Rosa, City of, CA's 2026 Consumer Confidence Report — source document ↗
How Santa Rosa, City of, CA compares
Nearby systems also reporting Tcaa:
People also ask
+Is there Tcaa in Santa Rosa, City of, CA tap water?
Yes — Santa Rosa, City of, CA's 2026 Consumer Confidence Report lists Tcaa at 4.699999999999999 UG/L. Santa Rosa, City of, CA's 2026 report shows Tcaa detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Tcaa in drinking water?
The EPA has not set an enforceable federal limit for Tcaa. Utilities still report any measured levels in their annual Consumer Confidence Report.
+Where does this Tcaa measurement come from?
This page reproduces the Tcaa entry from the 2026 Consumer Confidence Report published by the Santa Rosa, City of, 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/santa-rosa/2026/source.