Physical & aggregate · 2024

Hardness in Riverside, CA tap water

Detected — no federal limit

Riverside, CA's 2024 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
195 MG/L
Average
Entry point
210.97560975609755 MG/L
Highest single sample
Distribution
210 MG/L
Average
Distribution
175.83333333333334 MG/L
Highest single sample
Entry point
310 MG/L
Highest single sample
Source water
360 MG/L

Verbatim from Riverside, CA's 2024 Consumer Confidence Report — source document ↗

About Hardness

A measure of dissolved calcium and magnesium minerals.

Not federally regulated for health; affects scaling, soap use, and taste.

How Riverside, CA compares

Nearby systems also reporting Hardness:

People also ask

+Is there Hardness in Riverside, CA tap water?

Yes — Riverside, CA's 2024 Consumer Confidence Report lists Hardness at 210.97560975609755 MG/L. Riverside, CA's 2024 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Hardness in drinking water?

The EPA has not set an enforceable federal limit for Hardness. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Hardness?

A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.

+Where does this Hardness measurement come from?

This page reproduces the Hardness entry from the 2024 Consumer Confidence Report published by the Riverside, 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/2024/source.

Full report
All Riverside, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Hardness across the U.S. →
Every public water system measuring Hardness, ranked.