Metals · 2024

Calcium in Riverside, CA tap water

Detected — no federal limit

Riverside, CA's 2024 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Entry point
97 MG/L
Highest single sample
Source water
110 MG/L
Highest single sample
Distribution
67 MG/L
Average
Source water
32.76851851851852 MG/L
Average
Distribution
29.875 MG/L
Average
Entry point
35.103658536585364 MG/L

Verbatim from Riverside, CA's 2024 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 Riverside, CA compares

Nearby systems also reporting Calcium:

People also ask

+Is there Calcium in Riverside, CA tap water?

Yes — Riverside, CA's 2024 Consumer Confidence Report lists Calcium at 35.103658536585364 MG/L. Riverside, CA's 2024 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 2024 Consumer Confidence Report published by the Riverside, 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/riverside/2024/source.

Full report
All Riverside, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Calcium across the U.S. →
Every public water system measuring Calcium, ranked.