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Rhode Island Water Hardness
2 cities · average 2.5 GPG
Average hardness
2.5 GPG
Hardest city
Providence 2.5 GPG
Softest city
Warwick 2.5 GPG
Tier distribution
Soft2
Home › Rhode Island › Hardness map
2 cities · average 2.5 GPG
Average hardness
Hardest city
Softest city