Home › Pennsylvania › Hardness map
Pennsylvania Water Hardness
2 cities · average 6.6 GPG
Average hardness
6.6 GPG
Hardest city
Philadelphia 7.4 GPG
Softest city
Pittsburgh 5.8 GPG
Tier distribution
Hard1Moderate1
Home › Pennsylvania › Hardness map
2 cities · average 6.6 GPG
Average hardness
Hardest city
Softest city