Kansas City, MO water hardness

Kansas City's tap water measures 100 ppm, which is moderately hard. The number comes from KC Water's 2025 published data, measured at the tap.

Score

100 ppm

Moderately hard

Kansas City shower water

Hardness bands per the U.S. Geological Survey.

100

Soft
0–60

Moderately hard
61–120

Hard
121–180

Very hard
181+

Source: KC Water, 2025.

KC Water softens this water at the plant with lime treatment before it reaches you. The number above is what arrives at your tap, not what the source water measures.

For comparison, Minneapolis, MN sits in the same range at 100 ppm.

What this means

What Kansas City Water Means for Hair and Skin

Between 61 and 120 ppm, effects are mild and many people never notice them. If your fixtures stay clean and soap behaves, this level is not worth treating.

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