Physical & aggregate · 2026
Alkalinity in City of Antioch, CA tap water
City of Antioch, 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 Entry point | 48.800000000000004 MG/L | None set |
Highest single sample Entry point | 76 MG/L | None set |
Verbatim from City of Antioch, 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 City of Antioch, CA compares
Nearby systems also reporting Alkalinity:
People also ask
+Is there Alkalinity in City of Antioch, CA tap water?
Yes — City of Antioch, CA's 2026 Consumer Confidence Report lists Alkalinity at 48.800000000000004 MG/L. City of Antioch, 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 City of Antioch, 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/antioch/2026/source.