Physical & aggregate · 2025
Hardness in Lees Summit, MO tap water
Lees Summit, MO's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 123 mg/L | None set |
Highest single sample Sampled Result | 123 mg/L | None set |
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.
How Lees Summit, MO compares
4 of the 124 systems measuring Hardness on The Water Map have it at or above the federal limit:
Nearby systems also reporting Hardness:
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.
+Which other U.S. cities have Hardness over the federal limit?
4 of the 124 systems on The Water Map measuring Hardness report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, San Diego, CA.
+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.