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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