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North Carolina Water Hardness

5 cities · average 4.1 GPG

Average hardness

4.1 GPG

Hardest city

Winston-Salem 6.8 GPG

Softest city

Raleigh 1.5 GPG

Tier distribution

Hard1Moderate2Soft2

Cities ranked by hardness

1Winston-Salem6.8 GPGHard2Durham5.2 GPGModerate3Fayetteville5.1 GPGModerate4Charlotte1.8 GPGSoft5Raleigh1.5 GPGSoft