Ohio

Water Hardness Summary

 

City Water Hardness Data
Columbus 128 PPM (mg/L) or 7 gpg
Cleveland 125 PPM (mg/L) or 7 gpg
Cincinnati 130 PPM (mg/L) or 8 gpg
Toledo 74 PPM (mg/L) or 4 gpg
Akron 112 PPM (mg/L) or 6 gpg
Dayton 362 PPM (mg/L) or 21 gpg

 

PPM = Parts Per Million

mg/L = Milligrams Per Liter

gpg = Grains Per Gallon