Washington
HardnessCheck has a full county for each of the 38 places below in Washington, worked out from the same data for every one of them so the numbers compare directly. Pick yours to see it.
- Adams
- Asotin
- Benton
- Chelan
- Clallam
- Clark
- Cowlitz
- Douglas
- Ferry
- Franklin
- Garfield
- Grant
- Grays Harbor
- Island
- Jefferson
- King
- Kitsap
- Kittitas
- Klickitat
- Lewis
- Lincoln
- Mason
- Okanogan
- Pacific
- Pend Oreille
- Pierce
- San Juan
- Skagit
- Skamania
- Snohomish
- Spokane
- Stevens
- Thurston
- Wahkiakum
- Walla Walla
- Whatcom
- Whitman
- Yakima