Metals · 2024

Magnesium in Rialto, CA tap water

Detected — no federal limit

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

The measurement

StatisticValue
Reported level
City Of Rialto
7.4 mg/L
Reported level
Sbvmwd (Blf)
13 mg/L
Reported level
Wvwd
7.8 mg/L

Verbatim from Rialto, CA's 2024 Consumer Confidence Report — source document ↗

About Magnesium

A naturally occurring mineral that contributes to water hardness.

Not federally regulated for health; affects scaling and taste.

How Rialto, CA compares

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People also ask

+Is there Magnesium in Rialto, CA tap water?

Yes — Rialto, CA's 2024 Consumer Confidence Report lists Magnesium at 13 mg/L. Rialto, CA's 2024 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Magnesium?

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

+Where does this Magnesium measurement come from?

This page reproduces the Magnesium entry from the 2024 Consumer Confidence Report published by the Rialto, 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/rialto/2024/source.

Full report
All Rialto, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
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Every public water system measuring Magnesium, ranked.