Physical & aggregate · 2024
Hardness in San Diego, City of, CA tap water
San Diego, City of, 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 |
|---|---|---|
Highest single sample Entry point | 254 MG/L | None set |
Average Source water | 249.825 MG/L | None set |
Highest single sample Other | 255 MG/L | None set |
Highest single sample Source water | 625 MG/L | None set |
Average Entry point | 226.28787878787878 MG/L | None set |
Average Other | 224.16129032258064 MG/L | None set |
Verbatim from San Diego, City of, 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 San Diego, City of, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in San Diego, City of, CA tap water?
Yes — San Diego, City of, CA's 2024 Consumer Confidence Report lists Hardness at 249.825 MG/L. San Diego, City of, 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 San Diego, City of, 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/san-diego/2024/source.