Metals · 2022

Magnesium in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water

Detected — no federal limit

Hawthorne-city Water Dept. — San Jose, Ca, CA's 2022 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Range
Groundwater Range/
20–24 mg/L
Average
West Basin MWD
10.5 mg/L
Range
West Basin MWD
7.8–13 mg/L
Average
Groundwater
23 mg/L

Verbatim from Hawthorne-city Water Dept. — San Jose, Ca, CA's 2022 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 Hawthorne-city Water Dept. — San Jose, Ca, CA compares

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People also ask

+Is there Magnesium in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water?

Yes — Hawthorne-city Water Dept. — San Jose, Ca, CA's 2022 Consumer Confidence Report lists Magnesium at 23 mg/L. Hawthorne-city Water Dept. — San Jose, Ca, CA's 2022 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 2022 Consumer Confidence Report published by the Hawthorne-city Water Dept. — San Jose, Ca, 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/hawthorne-city-water-dept-san-jose-ca/2022/source.

Full report
All Hawthorne-city Water Dept. — San Jose, Ca, CA water-quality data →
Every contaminant measured in the 2022 report.
Contaminant pillar
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Every public water system measuring Magnesium, ranked.