Other · 2025
Tcaa in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2025 report shows Tcaa detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 9.4 UG/L | None set |
Average Distribution | 1.2097916666666666 UG/L | None set |
Average Entry point | 4.616666666666666 UG/L | None set |
Highest single sample Distribution | 2 UG/L | None set |
Highest single sample Source water | 9.4 UG/L | None set |
Highest single sample Entry point | 14 UG/L | None set |
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 Tcaa:
People also ask
+Is there Tcaa in Irvine Ranch Water District, CA tap water?
Yes — Irvine Ranch Water District, CA's 2025 Consumer Confidence Report lists Tcaa at 9.4 UG/L. Irvine Ranch Water District, CA's 2025 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 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.