Ohio
Water Hardness Map
City
Akron
Cedarville
Chillicothe
Cincinnati
Cleveland
Clifton
Columbus
Dayton
Delaware
Elyria
Grove City
HamiltonÂ
Hillard
Lancaster
Loveland
Mason
Mentor
Middletown
Newark
Painesville
Reynoldsburg
Toledo
Westerville
Xenia
Water Hardness (PPM)
112
400
140
130
125
400
128
155
140
120
120
131
121
128
342
171
122
131
109
122
120
74
122
400