Physical & aggregate · 2021
Hardness in Serrano Water District — Villa Park, Ca, CA tap water
Serrano Water District — Villa Park, Ca, CA's 2021 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Santiago Reservoir | 300–370 mg/L | None set |
Average Santiago Reservoir | 330 mg/L | None set |
Verbatim from Serrano Water District — Villa Park, Ca, CA's 2021 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 Serrano Water District — Villa Park, Ca, CA compares
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People also ask
+Is there Hardness in Serrano Water District — Villa Park, Ca, CA tap water?
Yes — Serrano Water District — Villa Park, Ca, CA's 2021 Consumer Confidence Report lists Hardness at 330 mg/L. Serrano Water District — Villa Park, Ca, CA's 2021 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 2021 Consumer Confidence Report published by the Serrano Water District — Villa Park, Ca, 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/serrano-water-district-villa-park-ca/2021/source.