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Water Hardness by State 2026

City-by-city hardness levels in GPG and PPM for all 50 US states and Canadian provinces.

🇺🇸 United States

Alabama Alaska Arizona Arkansas California Colorado Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maryland Michigan Minnesota Missouri Nebraska Nevada New Jersey New Mexico New York North Carolina Ohio Oklahoma Oregon Pennsylvania Tennessee Texas Utah Virginia Washington Wisconsin

🇨🇦 Canada

Alberta British Columbia Manitoba Nova Scotia Ontario Quebec Saskatchewan

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