Physical & aggregate · 2026
Hardness in Western MWD - Murrieta Division, CA tap water
Western MWD - Murrieta Division, CA's 2026 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 Entry point | 280 MG/L | None set |
Average Entry point | 280 MG/L | None set |
Average Source water | 119 MG/L | None set |
Highest single sample Source water | 300 MG/L | None set |
Verbatim from Western MWD - Murrieta Division, CA's 2026 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 Western MWD - Murrieta Division, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Western MWD - Murrieta Division, CA tap water?
Yes — Western MWD - Murrieta Division, CA's 2026 Consumer Confidence Report lists Hardness at 280 MG/L. Western MWD - Murrieta Division, CA's 2026 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 2026 Consumer Confidence Report published by the Western MWD - Murrieta Division, 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/western-mwd-murrieta-division/2026/source.