Physical & aggregate · 2025
Hardness in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 565 MG/L | None set |
Average Source water | 171.43333333333334 MG/L | None set |
Highest single sample Entry point | 354 MG/L | None set |
Highest single sample Other | 210 MG/L | None set |
Average Entry point | 197.647525 MG/L | None set |
Average Other | 210 MG/L | None set |
Verbatim from Irvine Ranch Water District, CA's 2025 Consumer Confidence Report — source document ↗
About Hardness
A measure of dissolved calcium and magnesium minerals.
Not federally regulated for health; affects scaling, soap use, and taste.
How Irvine Ranch Water District, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Irvine Ranch Water District, CA tap water?
Yes — Irvine Ranch Water District, CA's 2025 Consumer Confidence Report lists Hardness at 210 MG/L. Irvine Ranch Water District, CA's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Hardness in drinking water?
The EPA has not set an enforceable federal limit for Hardness. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Hardness?
A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
+Where does this Hardness measurement come from?
This page reproduces the Hardness 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.