Colorado Water Quality

Arvada

Pop. 115,368

Aurora

Pop. 359,407

Boulder

Pop. 106,803

Centennial

Pop. 109,741

Colorado Springs

Pop. 456,568

Denver

Pop. 729,019

Fort Collins

Pop. 170,924

Greeley

Pop. 108,795

Lakewood

Pop. 152,597

Pueblo

Pop. 109,412

Thornton

Pop. 133,451

Westminster

Pop. 116,317

Brighton

Pop. 37,585

Broomfield

Pop. 65,065

Castle Rock

Pop. 55,591

Commerce City

Pop. 53,696

Dakota Ridge

Pop. 33,892

Englewood

Pop. 33,082

Grand Junction

Pop. 60,358

Highlands Ranch

Pop. 96,713

Ken Caryl

Pop. 32,438

Littleton

Pop. 46,368

Longmont

Pop. 92,088

Loveland

Pop. 75,182

Northglenn

Pop. 39,197

Parker

Pop. 49,550

Security-Widefield

Pop. 32,882

Southglenn

Pop. 42,268

Wheat Ridge

Pop. 31,192

Windsor

Pop. 32,716

Black Forest

Pop. 13,116

Canon City

Pop. 16,400

Castlewood

Pop. 25,271

Cimarron Hills

Pop. 16,161

Clifton

Pop. 19,889

Columbine

Pop. 24,280

Durango

Pop. 18,006

Erie

Pop. 21,420

Evans

Pop. 21,383

Federal Heights

Pop. 12,381

Fort Carson

Pop. 13,813

Fountain

Pop. 27,767

Fruita

Pop. 12,795

Golden

Pop. 20,330

Greenwood Village

Pop. 15,663

Johnstown

Pop. 14,896

Lafayette

Pop. 27,729

Lone Tree

Pop. 13,175

Louisville

Pop. 20,396

Montrose

Pop. 19,062

Pueblo West

Unincorporated area

Pop. 29,637

Sherrelwood

Pop. 18,287

Steamboat Springs

Pop. 12,435

Sterling

Pop. 14,104

Superior

Pop. 12,980

Welby

Pop. 14,846