Metals · 2023
Magnesium in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water
Hawthorne-city Water Dept. — San Jose, Ca, CA's 2023 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Mills Plant | 8.4–11 mg/L | None set |
Average Diemer Plant | 26 mg/L | None set |
Average Weymouth Plant | 26 mg/L | None set |
Range Jensen Plant | 13–14 mg/L | None set |
Average Jensen Plant | 14 mg/L | None set |
Average Mills Plant | 9.7 mg/L | None set |
Range Groundwater Range/ | 23–24 mg/L | None set |
Average Skinner Plant | 22 mg/L | None set |
Range Skinner Plant | 22–23 mg/L | None set |
Range Diemer Plant | 22–29 mg/L | None set |
Average Groundwater | 23 mg/L | None set |
Range Weymouth Plant | 23–29 mg/L | None set |
Verbatim from Hawthorne-city Water Dept. — 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 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 2023 Consumer Confidence Report lists Magnesium at 26 mg/L. Hawthorne-city Water Dept. — 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 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/2023/source.