Metals · 2026
Calcium in Cal-water Service Co.-chico, CA tap water
Cal-water Service Co.-chico, CA's 2026 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 34 MG/L | None set |
Average Source water | 13.555555555555555 MG/L | None set |
Verbatim from Cal-water Service Co.-chico, 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 Cal-water Service Co.-chico, CA compares
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People also ask
+Is there Calcium in Cal-water Service Co.-chico, CA tap water?
Yes — Cal-water Service Co.-chico, CA's 2026 Consumer Confidence Report lists Calcium at 13.555555555555555 MG/L. Cal-water Service Co.-chico, 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 Cal-water Service Co.-chico, 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/cal-water-service-co-chico/2026/source.