Physical & aggregate · 2023
Hardness in City of Stockton, CA tap water
City of Stockton, 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 |
|---|---|---|
Average Source water | 182.8 MG/L | None set |
Average Entry point | 14 MG/L | None set |
Highest single sample Source water | 351 MG/L | None set |
Highest single sample Entry point | 14 MG/L | None set |
Verbatim from City of Stockton, 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 City of Stockton, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in City of Stockton, CA tap water?
Yes — City of Stockton, CA's 2023 Consumer Confidence Report lists Hardness at 182.8 MG/L. City of Stockton, 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 City of 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/2023/source.