Physical & aggregate · 2025

Hardness in Lees Summit, MO tap water

Detected — no federal limit

Lees Summit, MO's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Maximum
Sampled Result
123 mg/L
Range
System-wide
123 mg/L

Verbatim from Lees Summit, MO's 2025 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.

People also ask

+Is there Hardness in Lees Summit, MO tap water?

Yes — Lees Summit, MO's 2025 Consumer Confidence Report lists Hardness at 123 mg/L. Lees Summit, MO's 2025 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 2025 Consumer Confidence Report published by the Lees Summit, MO 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/mo/lees-summit/2025/source.

Full report
All Lees Summit, MO water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Hardness across the U.S. →
Every public water system measuring Hardness, ranked.