Metals · 2025
Strontium in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2025 report shows Strontium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Entry point | 574.6666666666666 UG/L | None set |
Highest single sample Entry point | 1100 UG/L | None set |
Highest single sample Source water | 810 UG/L | None set |
Average Source water | 810 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
4 of the 49 systems measuring Strontium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Strontium:
People also ask
+Is there Strontium in Irvine Ranch Water District, CA tap water?
Yes — Irvine Ranch Water District, CA's 2025 Consumer Confidence Report lists Strontium at 810 UG/L. Irvine Ranch Water District, CA's 2025 report shows Strontium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Strontium in drinking water?
The EPA has not set an enforceable federal limit for Strontium. Utilities still report any measured levels in their annual Consumer Confidence Report.
+Which other U.S. cities have Strontium over the federal limit?
4 of the 49 systems on The Water Map measuring Strontium report it at or above the federal limit. Examples include Burbank, CA, Cal-water Service Co.-chico, CA, North Charleston, SC.
+Where does this Strontium measurement come from?
This page reproduces the Strontium 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.