Physical & aggregate · 2026

Hardness in Cws - Visalia, CA tap water

Detected — no federal limit

Cws - Visalia, CA's 2026 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
66.25 MG/L
Highest single sample
Source water
91 MG/L

Verbatim from Cws - Visalia, 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 Cws - Visalia, CA compares

Nearby systems also reporting Hardness:

People also ask

+Is there Hardness in Cws - Visalia, CA tap water?

Yes — Cws - Visalia, CA's 2026 Consumer Confidence Report lists Hardness at 66.25 MG/L. Cws - Visalia, 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 Cws - Visalia, 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/cws-visalia/2026/source.

Full report
All Cws - Visalia, CA water-quality data →
Every contaminant measured in the 2026 report.
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