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Kentucky Water Hardness

Across the 3 cities we track in Kentucky, hardness ranges from 7.49–9.03 GPG, with 3 cities running hard or very hard, and 1 more city doesn't publish a figure.

3 cities tracked. View the Kentucky hardness map → · Is Kentucky water safe to drink? →

Lexington

9.03 GPG · 154.3 ppm
Hard

Bowling Green

8.3 GPG · 142 ppm
Hard

Louisville

7.49 GPG · 128 ppm
Hard

Cities with no published figure

These Kentucky 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.

Owensboro

Hardness not published
Not Published