Physical & aggregate · 2026
Alkalinity in Rialto, City of, CA tap water
Rialto, 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 |
|---|---|---|
Highest single sample Entry point | 160 MG/L | None set |
Average Entry point | 150.66666666666666 MG/L | None set |
Highest single sample Source water | 220 MG/L | None set |
Average Source water | 130.72033898305085 MG/L | None set |
Verbatim from Rialto, 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 Rialto, City of, CA compares
Nearby systems also reporting Alkalinity:
People also ask
+Is there Alkalinity in Rialto, City of, CA tap water?
Yes — Rialto, City of, CA's 2026 Consumer Confidence Report lists Alkalinity at 150.66666666666666 MG/L. Rialto, 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 Rialto, 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/rialto/2026/source.