Washington
Water Hardness Map
City
Seattle Metro Area
Spokane
Tacoma Metro Area
Vancouver
Bellevue
Kent
Evertt
Renton
Federal Way
Tri-Cities
Olymppia
Bellingham
Mount Vernon
Longview
Whidbey Island
Port Anfeles
Sequim
Yakima Valley
Walla Walla
Moses Lake
Ellensburg
Wentachee
Water Hardness (PPM)
22
218
15
96
25
47
12
33
24
174
83
24
23
91
25
88
108
87
180
73
33
147