Physical & aggregate · 2026
Hardness in East Bay Mud, CA tap water
East Bay Mud, CA's 2026 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | 150 MG/L | None set |
Average Entry point | 51.285714285714285 MG/L | None set |
Verbatim from East Bay Mud, CA's 2026 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 East Bay Mud, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in East Bay Mud, CA tap water?
Yes — East Bay Mud, CA's 2026 Consumer Confidence Report lists Hardness at 51.285714285714285 MG/L. East Bay Mud, CA's 2026 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 2026 Consumer Confidence Report published by the East Bay Mud, 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/east-bay-mud/2026/source.