Physical & aggregate · 2026

Alkalinity in Riverside, City of, CA tap water

Detected — no federal limit

Riverside, City of, CA's 2026 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Entry point
104.53703703703704 MG/L
Highest single sample
Source water
190 MG/L
Average
Distribution
95.5 MG/L
Highest single sample
Distribution
160 MG/L
Highest single sample
Entry point
190 MG/L
Average
Source water
103.33333333333333 MG/L

Verbatim from Riverside, 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 Riverside, City of, CA compares

Nearby systems also reporting Alkalinity:

People also ask

+Is there Alkalinity in Riverside, City of, CA tap water?

Yes — Riverside, City of, CA's 2026 Consumer Confidence Report lists Alkalinity at 104.53703703703704 MG/L. Riverside, 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 Riverside, 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/riverside/2026/source.

Full report
All Riverside, City of, CA water-quality data →
Every contaminant measured in the 2026 report.
Contaminant pillar
Alkalinity across the U.S. →
Every public water system measuring Alkalinity, ranked.