Metals · 2023
Calcium in Irvine, CA tap water
Irvine, CA's 2023 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Local Treated Groundwater | 28.2 mg/L | None set |
Average Local Treated Surface Water | 74.7 mg/L | None set |
Average Imported MWD Treated Water | 38 mg/L | None set |
Range System-wide | 16.6–81.4 mg/L | None set |
Verbatim from Irvine, CA's 2023 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 Irvine, CA compares
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People also ask
+Is there Calcium in Irvine, CA tap water?
Yes — Irvine, CA's 2023 Consumer Confidence Report lists Calcium at 74.7 mg/L. Irvine, CA's 2023 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 2023 Consumer Confidence Report published by the Irvine, 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/2023/source.