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Utah Water Hardness Map

6 cities · average 13.1 GPG

Average hardness

13.1 GPG

Hardest city

St. George 18.6 GPG

Softest city

West Valley City 10.28 GPG

Map — Utah cities by hardness

Very HardHardModerateSoft

Tier distribution

Very Hard5Hard1

Cities ranked by hardness

1St. George18.6 GPGVery Hard2Orem16 GPGVery Hard3Provo12.5 GPGVery Hard4Salt Lake City10.8 GPGVery Hard5West Jordan10.7 GPGVery Hard6West Valley City10.28 GPGHard