Physical & aggregate · 2026
Alkalinity in San Diego, City of, CA tap water
San Diego, City of, CA's 2026 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 97.33333333333333 MG/L | None set |
Highest single sample Entry point | 153 MG/L | None set |
Highest single sample Other | 149 MG/L | None set |
Average Other | 73.23333333333333 MG/L | None set |
Average Entry point | 75.90370370370371 MG/L | None set |
Highest single sample Source water | 192 MG/L | None set |
Verbatim from San Diego, City of, CA's 2026 Consumer Confidence Report — source document ↗
About Alkalinity
A measure of the water's capacity to neutralize acids.
Not federally regulated for health; relevant to corrosion control and treatment.
How San Diego, City of, CA compares
Nearby systems also reporting Alkalinity:
People also ask
+Is there Alkalinity in San Diego, City of, CA tap water?
Yes — San Diego, City of, CA's 2026 Consumer Confidence Report lists Alkalinity at 97.33333333333333 MG/L. San Diego, City of, CA's 2026 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Alkalinity in drinking water?
The EPA has not set an enforceable federal limit for Alkalinity. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Alkalinity?
A measure of the water's capacity to neutralize acids. Not federally regulated for health; relevant to corrosion control and treatment.
+Where does this Alkalinity measurement come from?
This page reproduces the Alkalinity entry from the 2026 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/2026/source.