Physical & aggregate · 2025

Alkalinity in Riverside, City of, CA tap water

Detected — no federal limit

Riverside, City of, CA's 2025 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Entry point
210 MG/L
Average
Entry point
113.1140350877193 MG/L
Highest single sample
Distribution
240 MG/L
Average
Source water
108.80081300813008 MG/L
Highest single sample
Source water
270 MG/L
Average
Distribution
103.74358974358974 MG/L

Verbatim from Riverside, City of, CA's 2025 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 2025 Consumer Confidence Report lists Alkalinity at 113.1140350877193 MG/L. Riverside, City of, CA's 2025 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 2025 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/2025/source.

Full report
All Riverside, City of, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Alkalinity across the U.S. →
Every public water system measuring Alkalinity, ranked.