Metals · 2024

Magnesium in Fairfield, CA tap water

Detected — no federal limit

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

The measurement

StatisticValue
Highest single sample
Source water
34 MG/L
Average
Source water
26.21666666666667 MG/L
Highest single sample
Entry point
37 MG/L
Average
Entry point
29.5 MG/L

Verbatim from Fairfield, 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 Fairfield, CA compares

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People also ask

+Is there Magnesium in Fairfield, CA tap water?

Yes — Fairfield, CA's 2024 Consumer Confidence Report lists Magnesium at 29.5 MG/L. Fairfield, 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 Fairfield, 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/fairfield/2024/source.

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