Washington Water Quality
Tap water quality data for 22 cities and their water systems
All 22 Cities
Sorted by population served
Seattle
Utility serves 1.1M
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Tacoma
Utility serves 449K
LeadBelow limit
ViolationsNone
Vancouver City of
Utility serves 373K
Hardness58.6 ppm
LeadBelow limit
ViolationsNone
Spokane City of
Utility serves 343K
Hardness21.8 ppm
LeadBelow limit
ViolationsNone
Bellevue City of
Utility serves 317K
Hardness24.4 ppm
ViolationsNone
Everett Public Works Dept. City of
Utility serves 216K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Alderwood
Utility serves 200K
Hardness24.4 ppm
LeadAbove limit
ViolationsNone
Kent
Utility serves 157K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Redmond
Utility serves 148K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Bellingham-water Division City of
Utility serves 140K
Hardness98.5 ppm
LeadBelow limit
ViolationsNone
Lakehaven
Utility serves 118K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Clark
Utility serves 117K
Hardness58.6 ppm
LeadBelow limit
ViolationsNone
Pasco
Utility serves 116K
Hardness310 ppm
LeadBelow limit
ViolationsNone
Highline
Utility serves 116K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Kennewick City of
Utility serves 114K
Hardness76 ppm
LeadBelow limit
Violations2 (3yr)
Olympia City of
Utility serves 114K
Hardness38.8 ppm
LeadBelow limit
ViolationsNone
Auburn City of
Utility serves 113K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Yakima
Utility serves 111K
Hardness123 ppm
LeadBelow limit
ViolationsNone
Renton City of
Utility serves 107K
Hardness24.4 ppm
LeadBelow limit
ViolationsNone
Richland City of
Utility serves 106K
Hardness76 ppm
LeadBelow limit
ViolationsNone
Northshore
Utility serves 105K
Hardness24.4 ppm
LeadAbove limit
ViolationsNone
Lacey
Utility serves 104K
Hardness38.8 ppm
LeadBelow limit
ViolationsNone