Physical & aggregate · 2023
Hardness in Cws - North Garden — San Jose, Ca, CA tap water
Cws - North Garden — San Jose, Ca, CA's 2023 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Groundwater | 38–230 mg/L | None set |
Average Groundwater | 104 mg/L | None set |
Average Kcwa | 61.9 mg/L | None set |
Range Surface Water | 38–59 mg/L | None set |
Average Surface Water | 45 mg/L | None set |
Range Kcwa | 35.5–117 mg/L | None set |
Verbatim from Cws - North Garden — San Jose, Ca, CA's 2023 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 - North Garden — San Jose, Ca, CA compares
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People also ask
+Is there Hardness in Cws - North Garden — San Jose, Ca, CA tap water?
Yes — Cws - North Garden — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Hardness at 104 mg/L. Cws - North Garden — San Jose, Ca, CA's 2023 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 2023 Consumer Confidence Report published by the Cws - North Garden — 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/cws-north-garden-san-jose-ca/2023/source.