Physical & aggregate · 2025
Hardness in Oxnard Water Dept, CA tap water
Oxnard Water Dept, CA's 2025 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 | 880.5510204081633 MG/L | None set |
Average Entry point | 419.5247524752475 MG/L | None set |
Highest single sample Distribution | 522 MG/L | None set |
Highest single sample Source water | 1410 MG/L | None set |
Average Distribution | 419.4660194174757 MG/L | None set |
Highest single sample Entry point | 930 MG/L | None set |
Verbatim from Oxnard Water Dept, CA's 2025 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
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Oxnard Water Dept, CA tap water?
Yes — Oxnard Water Dept, CA's 2025 Consumer Confidence Report lists Hardness at 880.5510204081633 MG/L. Oxnard Water Dept, CA's 2025 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 2025 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/2025/source.