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Indiana Water Hardness Map

7 cities · average 14.6 GPG

Average hardness

14.6 GPG

Hardest city

Fishers 24.8 GPG

Softest city

Fort Wayne 7.6 GPG

Map — Indiana cities by hardness

Very HardHardModerateSoft

Tier distribution

Very Hard4Hard3

Cities ranked by hardness

1Fishers24.8 GPGVery Hard 2South Bend21.64 GPGVery Hard 3Indianapolis18.36 GPGVery Hard 4Carmel13.3 GPGVery Hard 5Gary8.27 GPGHard 6Evansville8.07 GPGHard 7Fort Wayne7.6 GPGHard