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Missouri Water Hardness

Across the 5 cities we track in Missouri, hardness ranges from 7.19–10.9 GPG, with 5 cities running hard or very hard, and 1 more city doesn't publish a figure.

5 cities tracked. View the Missouri hardness map → · Is Missouri water safe to drink? →

Columbia

10.9 GPG · 187 ppm
Very Hard

Springfield

8.1 GPG · 138.5 ppm
Hard

St Louis

7.5 GPG · 129 ppm
Hard

Independence

7.2 GPG · 123 ppm
Hard

Lee's Summit

7.19 GPG · 123 ppm
Hard

Cities with no published figure

These Missouri cities don't publish a hardness number (it isn't a regulated parameter), so they can't be ranked — but we still track them. See each page for how to check your own tap.

Kansas City

Hardness not published
Not Published