Metals · 2026

Calcium in Western MWD - Murrieta Division, CA tap water

Detected — no federal limit

Western MWD - Murrieta Division, CA's 2026 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Entry point
81 MG/L
Average
Source water
20.25 MG/L
Average
Entry point
41.75 MG/L
Highest single sample
Source water
84 MG/L

Verbatim from Western MWD - Murrieta Division, CA's 2026 Consumer Confidence Report — source document ↗

About Calcium

A naturally occurring mineral that contributes to water hardness.

Not federally regulated for health; affects scaling and taste.

How Western MWD - Murrieta Division, CA compares

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People also ask

+Is there Calcium in Western MWD - Murrieta Division, CA tap water?

Yes — Western MWD - Murrieta Division, CA's 2026 Consumer Confidence Report lists Calcium at 41.75 MG/L. Western MWD - Murrieta Division, CA's 2026 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Calcium in drinking water?

The EPA has not set an enforceable federal limit for Calcium. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Calcium?

A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.

+Where does this Calcium measurement come from?

This page reproduces the Calcium 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.

Full report
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