Metals · 2023

Magnesium in California Water Service Co. - Herm/redo — San Jose, Ca, CA tap water

Detected — no federal limit

California Water Service Co. - Herm/redo — San Jose, Ca, CA's 2023 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Groundwater
38 mg/L
Average
Mills Plant
9.7 mg/L
Range
Diemer Plant
22–29 mg/L
Average
Skinner Plant
22 mg/L
Range
Jensen Plant
13–14 mg/L
Range
Weymouth Plant
23–29 mg/L
Average
Weymouth Plant
26 mg/L
Average
Jensen Plant
14 mg/L
Range
Skinner Plant
22–23 mg/L
Range
Mills Plant
8.4–11 mg/L
Average
Diemer Plant
26 mg/L
Range
Groundwater Range/
37–40 mg/L

Verbatim from California Water Service Co. - Herm/redo — San Jose, Ca, CA's 2023 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 California Water Service Co. - Herm/redo — San Jose, Ca, CA compares

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People also ask

+Is there Magnesium in California Water Service Co. - Herm/redo — San Jose, Ca, CA tap water?

Yes — California Water Service Co. - Herm/redo — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Magnesium at 38 mg/L. California Water Service Co. - Herm/redo — San Jose, Ca, CA's 2023 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 2023 Consumer Confidence Report published by the California Water Service Co. - Herm/redo — 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/california-water-service-co-herm-redo-san-jose-ca/2023/source.

Full report
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