Physical & aggregate · 2024
Hardness in Stockton, CA tap water
Stockton, CA's 2024 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Groundwater | 23–290 mg/L | None set |
Average Groundwater | 150 mg/L | None set |
Reported level Sewd | 27.3 mg/L | None set |
Verbatim from Stockton, CA's 2024 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 Stockton, CA compares
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People also ask
+Is there Hardness in Stockton, CA tap water?
Yes — Stockton, CA's 2024 Consumer Confidence Report lists Hardness at 150 mg/L. Stockton, CA's 2024 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 2024 Consumer Confidence Report published by the Stockton, 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/stockton/2024/source.