Physical & aggregate · 2026
Hardness in Oxnard Water Dept, CA tap water
Oxnard Water Dept, CA's 2026 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 915.6756756756756 MG/L | None set |
Average Entry point | 363.92857142857144 MG/L | None set |
Highest single sample Entry point | 530 MG/L | None set |
Highest single sample Source water | 1400 MG/L | None set |
Highest single sample Distribution | 430 MG/L | None set |
Average Distribution | 343.75 MG/L | None set |
Verbatim from Oxnard Water Dept, CA's 2026 Consumer Confidence Report — source document ↗
About Hardness
A measure of dissolved calcium and magnesium minerals.
Not federally regulated for health; affects scaling, soap use, and taste.
How Oxnard Water Dept, CA compares
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People also ask
+Is there Hardness in Oxnard Water Dept, CA tap water?
Yes — Oxnard Water Dept, CA's 2026 Consumer Confidence Report lists Hardness at 915.6756756756756 MG/L. Oxnard Water Dept, CA's 2026 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Hardness in drinking water?
The EPA has not set an enforceable federal limit for Hardness. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Hardness?
A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
+Where does this Hardness measurement come from?
This page reproduces the Hardness 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.