Physical & aggregate · 2025
Hardness in City of Clovis, CA tap water
City of Clovis, 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 | 280 MG/L | None set |
Average Source water | 117.72222222222223 MG/L | None set |
Verbatim from City of Clovis, 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 City of Clovis, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in City of Clovis, CA tap water?
Yes — City of Clovis, CA's 2025 Consumer Confidence Report lists Hardness at 117.72222222222223 MG/L. City of Clovis, 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 City of Clovis, 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/clovis/2025/source.