Water Hardness Ohio
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Water Hardness Ohio

Here are the water hardness values for the cities in Ohio.
City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
Akron 107 6.3
Beavercreek 390.5 22.9
Canton 425.5 24.9
Cincinnati 124.5 7.3
Colerain 124.5 7.3
Columbus 99.5 5.9
Cuyahoga Falls 170 10
Dayton 155 9.1
Dublin 99.5 5.9
Green 124.5 7.3
Hamilton 146 8.6
Kettering 155 9.1
Newark 118 7
Springfield 151 8.9
West Chester 131 7.7