Cleveland, OH water hardness

Cleveland's tap water measures 120 ppm, which is moderately hard. The number comes from Cleveland Water's 2025 published data, measured at the tap.

Score

120 ppm

Moderately hard

Cleveland shower water

Hardness bands per the U.S. Geological Survey.

120

Soft
0–60

Moderately hard
61–120

Hard
121–180

Very hard
181+

Source: Cleveland Water, 2025.

Elsewhere in Ohio, Dayton tests at 155 ppm and Cincinnati at 142 ppm.

What this means

What Cleveland 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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