Metals · 2026

Calcium in Escondido, City of, CA tap water

Detected — no federal limit

Escondido, City of, 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
41 MG/L
Average
Source water
20.75 MG/L
Average
Entry point
21.75 MG/L
Highest single sample
Source water
41 MG/L

Verbatim from Escondido, City of, 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 Escondido, City of, CA compares

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People also ask

+Is there Calcium in Escondido, City of, CA tap water?

Yes — Escondido, City of, CA's 2026 Consumer Confidence Report lists Calcium at 21.75 MG/L. Escondido, City of, 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 Escondido, City of, 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/escondido/2026/source.

Full report
All Escondido, City of, CA water-quality data →
Every contaminant measured in the 2026 report.
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