Oklahoma Tap Water Quality

Explore tap water quality data for counties across Oklahoma. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.

Total Counties

78

Communities with public water systems

Total Population

3,648,025

Residents served by public water systems

Water Systems

890

Public water systems statewide

Serious Violators

35

Systems with serious violations

Counties

78

With water systems

Population

3,648,025

Served by water systems

Water Systems

890

Total water systems

Violators

35

Systems with serious violations

Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.

Filter Results

Oklahoma Counties

Serious Violator

Adair

Population: 13,188

Water Systems: 9

Serious Violator

Alfalfa

Population: 4,446

Water Systems: 9

Atoka

Population: 10,995

Water Systems: 8

Beaver

Population: 2,699

Water Systems: 5

Serious Violator

Beckham

Population: 20,398

Water Systems: 9

Serious Violator

Blaine

Population: 7,551

Water Systems: 8

Bryan

Population: 39,612

Water Systems: 13

Caddo

Population: 21,642

Water Systems: 15

Canadian

Population: 70,594

Water Systems: 13

Serious Violator

Carter

Population: 47,047

Water Systems: 8

Serious Violator

Cherokee

Population: 33,782

Water Systems: 24

Choctaw

Population: 11,137

Water Systems: 8

Cimarron

Population: 1,798

Water Systems: 2

Cleveland

Population: 202,561

Water Systems: 16

Coal

Population: 4,013

Water Systems: 8

Comanche

Population: 137,212

Water Systems: 23

Cotton

Population: 6,167

Water Systems: 5

Craig

Population: 18,083

Water Systems: 10

Serious Violator

Creek

Population: 65,663

Water Systems: 16

Custer

Population: 23,986

Water Systems: 11

Serious Violator

Delaware

Population: 24,896

Water Systems: 26

Dewey

Population: 2,615

Water Systems: 6

Ellis

Population: 2,494

Water Systems: 5

Garfield

Population: 62,360

Water Systems: 21

Garvin

Population: 23,570

Water Systems: 13

Serious Violator

Grady

Population: 33,172

Water Systems: 17

Serious Violator

Grant

Population: 4,090

Water Systems: 10

Greer

Population: 5,906

Water Systems: 7

Harmon

Population: 3,602

Water Systems: 3

Serious Violator

Harper

Population: 2,495

Water Systems: 3

Haskell

Population: 6,855

Water Systems: 4

Serious Violator

Hughes

Population: 12,529

Water Systems: 10

Jackson

Population: 29,205

Water Systems: 11

Jefferson

Population: 12,803

Water Systems: 6

Johnston

Population: 9,789

Water Systems: 10

Serious Violator

Kay

Population: 45,483

Water Systems: 12

Serious Violator

Kingfisher

Population: 10,109

Water Systems: 8

Kiowa

Population: 7,740

Water Systems: 9

Serious Violator

Latimer

Population: 8,443

Water Systems: 6

Le Flore

Population: 46,619

Water Systems: 20

Serious Violator

Lincoln

Population: 16,365

Water Systems: 13

Serious Violator

Logan

Population: 26,320

Water Systems: 14

Love

Population: 5,276

Water Systems: 4

Major

Population: 4,834

Water Systems: 6

Marshall

Population: 25,259

Water Systems: 7

Serious Violator

Mayes

Population: 44,332

Water Systems: 20

Mcclain

Population: 24,125

Water Systems: 11

Mccurtain

Population: 28,281

Water Systems: 12

Mcintosh

Population: 19,184

Water Systems: 11

Murray

Population: 21,323

Water Systems: 7

Muskogee

Population: 67,893

Water Systems: 18

Serious Violator

Noble

Population: 10,311

Water Systems: 10

Serious Violator

Nowata

Population: 10,195

Water Systems: 12

Okfuskee

Population: 9,630

Water Systems: 6

Serious Violator

Oklahoma

Population: 879,406

Water Systems: 41

Okmulgee

Population: 45,674

Water Systems: 15

Serious Violator

Osage

Population: 33,416

Water Systems: 27

Serious Violator

Ottawa

Population: 24,007

Water Systems: 15

Pawnee

Population: 13,227

Water Systems: 13

Serious Violator

Payne

Population: 86,790

Water Systems: 12

Serious Violator

Pittsburg

Population: 50,811

Water Systems: 22

Pontotoc

Population: 36,804

Water Systems: 10

Serious Violator

Pottawatomie

Population: 48,685

Water Systems: 15

Pushmataha

Population: 11,282

Water Systems: 7

Roger Mills

Population: 2,523

Water Systems: 5

Serious Violator

Rogers

Population: 75,204

Water Systems: 15

Serious Violator

Seminole

Population: 16,313

Water Systems: 11

Sequoyah

Population: 40,162

Water Systems: 14

Smithville

Population: 600

Water Systems: 1

Stephens

Population: 38,245

Water Systems: 6

Serious Violator

Texas

Population: 18,392

Water Systems: 11

Tillman

Population: 8,179

Water Systems: 7

Serious Violator

Tulsa

Population: 666,353

Water Systems: 15

Serious Violator

Wagoner

Population: 60,271

Water Systems: 13

Serious Violator

Washington

Population: 45,692

Water Systems: 11

Washita

Population: 8,920

Water Systems: 10

Woods

Population: 7,448

Water Systems: 7

Serious Violator

Woodward

Population: 18,944

Water Systems: 9