Oregon

Water Hardness Summary

 

City Water Hardness Data 
Portland 12 PPM (mg/L) or 1 gpg
Salem 18 PPM (mg/L) or 1 gpg
Eugene 22 PPM (mg/L) or 1 gpg
Gresham 32 PPM (mg/L) or 2 gpg
Hillsboro 21 PPM (mg/L) or 1 gpg
Beaverton 35 PPM (mg/L) or 2 gpg
Corvallis 51 PPM (mg/L) or 3 gpg
Bend 33 PPM (mg/L) or 2 gpg
Astoria 28 PPM (mg/L) or 2 gpg
Roseburg 32 PPM (mg/L) or 2 gpg
Medford 41 PPM (mg/L) or 2 gpg

 

PPM = Parts Per Million

mg/L = Milligrams Per Liter

gpg = Grains Per Gallon