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Wisconsin Water Hardness

5 cities · average 16.0 GPG

Average hardness

16.0 GPG

Hardest city

Madison 21.3 GPG

Softest city

Racine 8.1 GPG

Tier distribution

Very Hard4Hard1

Cities ranked by hardness

1Madison21.3 GPGVery Hard2Waukesha19.4 GPGVery Hard3Appleton16.8 GPGVery Hard4Green Bay14.2 GPGVery Hard5Racine8.1 GPGHard