Physical & aggregate · 2025
Hardness in Ventura Wwd No. 8 - Simi Valley, CA tap water
Ventura Wwd No. 8 - Simi Valley, 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 |
|---|---|---|
Highest single sample Source water | 558 MG/L | None set |
Average Source water | 503.6666666666667 MG/L | None set |
Average Entry point | 198.0888888888889 MG/L | None set |
Highest single sample Entry point | 547 MG/L | None set |
Verbatim from Ventura Wwd No. 8 - Simi Valley, 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 Ventura Wwd No. 8 - Simi Valley, CA compares
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People also ask
+Is there Hardness in Ventura Wwd No. 8 - Simi Valley, CA tap water?
Yes — Ventura Wwd No. 8 - Simi Valley, CA's 2025 Consumer Confidence Report lists Hardness at 503.6666666666667 MG/L. Ventura Wwd No. 8 - Simi Valley, 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 Ventura Wwd No. 8 - Simi Valley, 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/ventura-wwd-no-8-simi-valley/2025/source.