Physical & aggregate · 2021
Hardness in Del Rio Mutual — El Monte, Ca, CA tap water
Del Rio Mutual — El Monte, 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 |
|---|---|---|
Average System-wide | 304.5 mg/L | None set |
Range System-wide | 300–309 mg/L | None set |
Verbatim from Del Rio Mutual — El Monte, 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 Del Rio Mutual — El Monte, Ca, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Del Rio Mutual — El Monte, Ca, CA tap water?
Yes — Del Rio Mutual — El Monte, Ca, CA's 2021 Consumer Confidence Report lists Hardness at 304.5 mg/L. Del Rio Mutual — El Monte, 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 Del Rio Mutual — El Monte, 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/del-rio-mutual-el-monte-ca/2021/source.