Physical & aggregate · 2021

Hardness in California Water Service Co-leona Valley — San Jose, Ca, CA tap water

Detected — no federal limit

California Water Service Co-leona Valley — San Jose, Ca, CA's 2021 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Groundwater
284 mg/L
Range
Groundwater
200–420 mg/L
Average
Avek
80 mg/L

Verbatim from California Water Service Co-leona Valley — San Jose, 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 California Water Service Co-leona Valley — San Jose, Ca, CA compares

Nearby systems also reporting Hardness:

People also ask

+Is there Hardness in California Water Service Co-leona Valley — San Jose, Ca, CA tap water?

Yes — California Water Service Co-leona Valley — San Jose, Ca, CA's 2021 Consumer Confidence Report lists Hardness at 284 mg/L. California Water Service Co-leona Valley — San Jose, 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 California Water Service Co-leona Valley — San Jose, 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/california-water-service-co-leona-valley-san-jose-ca/2021/source.

Full report
All California Water Service Co-leona Valley — San Jose, Ca, CA water-quality data →
Every contaminant measured in the 2021 report.
Contaminant pillar
Hardness across the U.S. →
Every public water system measuring Hardness, ranked.