Metals · 2026
Magnesium in Oxnard Water Dept, CA tap water
Oxnard Water Dept, CA's 2026 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 31.142857142857142 MG/L | None set |
Highest single sample Distribution | 38 MG/L | None set |
Average Entry point | 32.714285714285715 MG/L | None set |
Average Source water | 81.35135135135135 MG/L | None set |
Highest single sample Entry point | 46 MG/L | None set |
Highest single sample Source water | 130 MG/L | None set |
Verbatim from Oxnard Water Dept, CA's 2026 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 Oxnard Water Dept, CA compares
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People also ask
+Is there Magnesium in Oxnard Water Dept, CA tap water?
Yes — Oxnard Water Dept, CA's 2026 Consumer Confidence Report lists Magnesium at 81.35135135135135 MG/L. Oxnard Water Dept, CA's 2026 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 2026 Consumer Confidence Report published by the Oxnard Water Dept, 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/oxnard-water-dept/2026/source.