New Hampshire

Water Hardness Summary

 

City Water Hardness Data
Manchester 19 PPM (mg/L) or 1 gpg
Nashua 29 PPM (mg/L) or 2 gpg
Concord 16 PPM (mg/L) or 1 gpg
Somersworth 14 PPM (mg/L) or 1 gpg
Rochester 25 PPM (mg/L) or 2 gpg
Portsmouth 101 PPM (mg/L) or 6 gpg
Lebanon 19 PPM (mg/L) or 1 gpg
Keene 25 PPM (mg/L) or 1 gpg
 

PPM = Parts Per Million

mg/L = Milligrams Per Liter

gpg = Grains Per Gallon