LocalDataPoint

Washington Water Quality

Water hardness and quality data for 121 cities in Washington, USA.

State average

85mg/L

5.0 gpg

Hardness level

🟡 Moderately Hard

9 lab-verified

Cities

121

125 with data

Bellevue

Pop. 139,820

🟢 Soft
25.4 mg/Lreservoir

PFAS: 0 ppt

Full report →

Everett

Pop. 108,010

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Kent

Pop. 126,952

Hard
120–179 mg/Lreservoir

PFAS: 3.4 ppt

Full report →

Renton

Pop. 100,242

🟢 Soft
44 mg/Lgroundwater

PFAS: 3 ppt

Full report →

Seattle

Pop. 780,995

Soft
0–59 mg/Lreservoir

PFAS: 5 ppt

Full report →

Spokane

Pop. 229,447

Hard
120–179 mg/Lgroundwater

PFAS: 16.8 ppt

Full report →

Tacoma

Pop. 222,906

Soft
0–59 mg/Lreservoir

PFAS: 22.4 ppt

Full report →

Tri-Cities

Pop. 244,036

Hard
120–179 mg/Lreservoir

PFAS: 1.6 ppt

Full report →

Vancouver

Pop. 196,442

Moderately Hard
60–119 mg/Lgroundwater

PFAS: 471.6 ppt

Full report →

Auburn

Pop. 77,006

Hard
120–179 mg/Lgroundwater

PFAS: 8 ppt

Full report →

Bellingham

Pop. 85,146

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Bothell

Pop. 42,939

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Bremerton

Pop. 39,520

Soft
0–59 mg/Lreservoir

PFAS: 4.9 ppt

Full report →

Burien

Pop. 50,467

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

City of Sammamish

Pop. 45,780

Hard
120–179 mg/Lreservoir

PFAS: 143.9 ppt

Full report →

Des Moines

Pop. 31,221

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Edmonds

Pop. 41,375

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Federal Way

Pop. 95,171

Soft
0–59 mg/Lreservoir

PFAS: 71.4 ppt

Full report →

Issaquah

Pop. 36,081

🟡 Moderately Hard
69.5 mg/Lreservoir

PFAS: 0 ppt

Full report →

Kennewick

Pop. 78,896

Hard
120–179 mg/Lreservoir

PFAS: 162.6 ppt

Full report →

Kirkland

Pop. 87,281

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Lacey

Pop. 46,409

Hard
120–179 mg/Lgroundwater

PFAS: 42.3 ppt

Full report →

Lake Stevens

Pop. 30,886

Soft
24 mg/Lgroundwater

PFAS: 1.6 ppt

Full report →

Lakewood

Pop. 59,829

Soft
0–59 mg/Lgroundwater

PFAS: 53.9 ppt

Full report →

Longview

Pop. 36,848

Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Lynnwood

Pop. 36,997

🟢 Soft
12.4 mg/Lreservoir

PFAS: 0 ppt

Full report →

Marysville

Pop. 66,773

Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Mount Vernon

Pop. 34,053

Soft
0–59 mg/Lreservoir

PFAS: 21.1 ppt

Full report →

Olympia

Pop. 55,733

Hard
120–179 mg/Lgroundwater

PFAS: 26.5 ppt

Full report →

Parkland

Pop. 35,803

Soft
0–59 mg/Lreservoir

PFAS: 2.3 ppt

Full report →

Pasco

Pop. 69,451

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Pullman

Pop. 32,816

Soft
0–59 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Puyallup

Pop. 39,659

🟡 Moderately Hard
89 mg/Lreservoir

PFAS: 8.7 ppt

Full report →

Redmond

Pop. 60,598

🟡 Moderately Hard
90 mg/Lreservoir

PFAS: 13.4 ppt

Full report →

Richland

Pop. 54,248

Hard
120–179 mg/Lreservoir

PFAS: 114.7 ppt

Full report →

Sammamish

Pop. 52,253

Moderately Hard
60–119 mg/Lreservoir

PFAS: 143.9 ppt

Full report →

Shoreline

Pop. 55,439

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

South Hill

Unincorporated area

Pop. 52,431

Soft
46 mg/Lreservoir

PFAS: 2.3 ppt

Full report →

Spokane Valley

Pop. 94,919

Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

University Place

Pop. 32,842

Soft
0–59 mg/Lgroundwater

PFAS: 2.6 ppt

Full report →

Walla Walla

Pop. 32,237

Very Hard
180+ mg/Lreservoir

PFAS: 0 ppt

Full report →

Wenatchee

Pop. 33,636

Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

West Lake Sammamish

Unincorporated area

Pop. 33,929

Soft
0–59 mg/Lreservoir

PFAS: 1.4 ppt

Full report →

Yakima

Pop. 93,701

🟢 Soft
28 mg/Lreservoir

PFAS: 0 ppt

Full report →

Aberdeen

Pop. 16,276

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Anacortes

Pop. 18,103

Soft
0–59 mg/Lreservoir

PFAS: 2.3 ppt

Full report →

Arlington

Pop. 18,949

Hard
120–179 mg/Lreservoir

PFAS: 9.2 ppt

Full report →

Artondale

Pop. 12,653

Hard
120–179 mg/Lreservoir

PFAS: 2.5 ppt

Full report →

Bainbridge Island

Pop. 23,840

Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Battle Ground

Pop. 19,407

Moderately Hard
68 mg/Lgroundwater

PFAS: 3 ppt

Full report →

Bonney Lake

Pop. 19,903

Hard
120–179 mg/Lreservoir

PFAS: 1.9 ppt

Full report →

Bothell West

Pop. 16,607

Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Bryn Mawr-Skyway

Pop. 15,645

Soft
0–59 mg/Lreservoir

PFAS: 1.8 ppt

Full report →

Camano

Pop. 14,202

Hard
120–179 mg/Lgroundwater

PFAS: 2.8 ppt

Full report →

Camas

Pop. 21,846

Moderately Hard
61.5 mg/Lgroundwater

PFAS: 33.7 ppt

Full report →

Centralia

Pop. 16,753

Soft
15.5 mg/Lgroundwater

PFAS: 32.4 ppt

Full report →

Cheney

Pop. 11,534

Soft
23 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Columbia City

Pop. 19,000

Hard
120–179 mg/Lreservoir

PFAS: 2.1 ppt

Full report →

Cottage Lake

Pop. 22,494

Moderately Hard
60–119 mg/Lreservoir

PFAS: 2.4 ppt

Full report →

Covington

Pop. 19,197

Soft
0–59 mg/Lreservoir

PFAS: 2.6 ppt

Full report →

East Hill-Meridian

Unincorporated area

Pop. 29,878

Hard
120–179 mg/Lreservoir

PFAS: 2.4 ppt

Full report →

East Renton Highlands

Pop. 11,140

Hard
120–179 mg/Lreservoir

PFAS: 2.2 ppt

Full report →

East Wenatchee

Pop. 13,659

Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Eastmont

Pop. 20,101

Hard
120–179 mg/Lreservoir

PFAS: 2 ppt

Full report →

Elk Plain

Pop. 14,205

Soft
0–59 mg/Lgroundwater

PFAS: 2.5 ppt

Full report →

Ellensburg

Pop. 19,001

Soft
0–59 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Enumclaw

Pop. 11,609

Soft
0–59 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Fairwood

Pop. 19,102

Soft
0–59 mg/Lreservoir

PFAS: 2.9 ppt

Full report →

Ferndale

Pop. 13,010

Soft
0–59 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Five Corners

Pop. 18,159

Hard
120–179 mg/Lreservoir

PFAS: 3.3 ppt

Full report →

Frederickson

Pop. 18,719

Soft
0–59 mg/Lreservoir

PFAS: 1.5 ppt

Full report →

Graham

Pop. 23,491

Soft
0–59 mg/Lgroundwater

PFAS: 2.2 ppt

Full report →

Grandview

Pop. 11,176

Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Greenwood

Pop. 12,378

Hard
120–179 mg/Lreservoir

PFAS: 2.6 ppt

Full report →

Hazel Dell

Pop. 19,435

Hard
120–179 mg/Lreservoir

PFAS: 3.1 ppt

Full report →

Inglewood-Finn Hill

Pop. 22,707

Soft
0–59 mg/Lreservoir

PFAS: 2.2 ppt

Full report →

Joint Base Lewis McChord

Pop. 11,046

Soft
38 mg/Lgroundwater

PFAS: 156.7 ppt

Full report →

Kelso

Pop. 11,901

Very Hard
180+ mg/Lmixed

PFAS: 0 ppt

Full report →

Kenmore

Pop. 22,030

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Kingsgate

Pop. 13,065

Soft
0–59 mg/Lreservoir

PFAS: 3.4 ppt

Full report →

Klahanie

Pop. 10,674

Hard
120–179 mg/Lreservoir

PFAS: 2 ppt

Full report →

Lake Forest Park

Pop. 13,243

Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Lake Morton-Berrydale

Pop. 10,160

Soft
0–59 mg/Lreservoir

PFAS: 2.3 ppt

Full report →

Lakeland North

Pop. 12,942

Hard
120–179 mg/Lreservoir

PFAS: 2.3 ppt

Full report →

Lakeland South

Pop. 11,574

Soft
0–59 mg/Lreservoir

PFAS: 2.3 ppt

Full report →

Lea Hill

Pop. 13,182

Soft
0–59 mg/Lreservoir

PFAS: 1.7 ppt

Full report →

Lynden

Pop. 13,517

Moderately Hard
69.5 mg/Lreservoir

PFAS: 0 ppt

Full report →

Maltby

Pop. 10,830

Soft
0–59 mg/Lreservoir

PFAS: 3.2 ppt

Full report →

Maple Valley

Pop. 25,686

Soft
0–59 mg/Lreservoir

PFAS: 12.2 ppt

Full report →

Martha Lake

Pop. 15,473

Soft
0–59 mg/Lreservoir

PFAS: 1.3 ppt

Full report →

Mercer Island

Pop. 25,042

Soft
30.5 mg/Lreservoir

PFAS: 0 ppt

Full report →

Mill Creek

Pop. 20,043

Hard
120–179 mg/Lreservoir

PFAS: 2.1 ppt

Full report →

Mill Creek East

Pop. 15,709

Soft
0–59 mg/Lreservoir

PFAS: 2 ppt

Full report →

Monroe

Pop. 18,090

Soft
48 mg/Lreservoir

PFAS: 0 ppt

Full report →

Moses Lake

Pop. 22,082

Hard
120–179 mg/Lgroundwater

PFAS: 159.1 ppt

Full report →

Mountlake Terrace

Pop. 20,989

Soft
58.5 mg/Lreservoir

PFAS: 0 ppt

Full report →

Mukilteo

Pop. 21,226

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Newcastle

Pop. 11,370

Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

North Creek

Unincorporated area

Pop. 26,410

Moderately Hard
60–119 mg/Lreservoir

PFAS: 3.3 ppt

Full report →

Oak Harbor

Pop. 22,693

Soft
23 mg/Lreservoir

PFAS: 0 ppt

Full report →

Opportunity

Pop. 25,877

Hard
120–179 mg/Lreservoir

PFAS: 1.9 ppt

Full report →

Orchards

Pop. 19,556

Hard
120–179 mg/Lreservoir

PFAS: 1.9 ppt

Full report →

Picnic Point-North Lynnwood

Pop. 22,953

Hard
120–179 mg/Lreservoir

PFAS: 2.7 ppt

Full report →

Port Angeles

Pop. 19,448

Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Port Orchard

Pop. 13,607

Moderately Hard
60–119 mg/Lgroundwater

PFAS: 23.9 ppt

Full report →

Poulsbo

Pop. 10,041

🟡 Moderately Hard
80 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Prairie Ridge

Pop. 11,464

Moderately Hard
74.5 mg/Lreservoir

PFAS: 3.2 ppt

Full report →

Salmon Creek

Pop. 19,686

Hard
120–179 mg/Lreservoir

PFAS: 2.7 ppt

Full report →

SeaTac

Pop. 28,215

Soft
0–59 mg/Lreservoir

PFAS: 3.1 ppt

Full report →

Sedro-Woolley

Pop. 10,815

Soft
0–59 mg/Lgroundwater

PFAS: 3.2 ppt

Full report →

Silver Firs

Pop. 20,891

Soft
0–59 mg/Lreservoir

PFAS: 2 ppt

Full report →

Silverdale

Pop. 19,204

Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Snoqualmie

Pop. 13,169

Soft
0–59 mg/Lgroundwater

PFAS: 1.9 ppt

Full report →

Spanaway

Pop. 27,227

🟢 Soft
51.5 mg/Lgroundwater

PFAS: 100.1 ppt

Full report →

Sunnyside

Pop. 16,325

Moderately Hard
60–119 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Tukwila

Pop. 20,018

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

Tumwater

Pop. 19,190

Hard
120–179 mg/Lgroundwater

PFAS: 13.3 ppt

Full report →

Union Hill-Novelty Hill

Pop. 18,805

Hard
120–179 mg/Lgroundwater

PFAS: 3 ppt

Full report →

Vashon

Pop. 10,624

Moderately Hard
62 mg/Lreservoir

PFAS: 0 ppt

Full report →

Washougal

Pop. 15,288

Soft
0–59 mg/Lgroundwater

PFAS: 22.9 ppt

Full report →

West Lake Stevens

Pop. 21,047

Soft
0–59 mg/Lreservoir

PFAS: 1.4 ppt

Full report →

West Richland

Pop. 13,746

Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

West Valley

Pop. 12,655

Soft
0–59 mg/Lreservoir

PFAS: 1.5 ppt

Full report →

White Center

Pop. 13,495

Soft
0–59 mg/Lreservoir

PFAS: 1.6 ppt

Full report →

Woodinville

Pop. 11,782

Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →