Physical & aggregate · 2024
Hardness in City of Martinez, CA tap water
City of Martinez, 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 |
|---|---|---|
Average Source water | 75.42 MG/L | None set |
Highest single sample Other | 58.7 MG/L | None set |
Average Other | 58.7 MG/L | None set |
Highest single sample Entry point | 89 MG/L | None set |
Average Entry point | 89 MG/L | None set |
Highest single sample Source water | 131 MG/L | None set |
Verbatim from City of Martinez, 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 City of Martinez, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in City of Martinez, CA tap water?
Yes — City of Martinez, CA's 2024 Consumer Confidence Report lists Hardness at 89 MG/L. City of Martinez, 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 City of Martinez, 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/martinez/2024/source.