Wyoming Tap Water Quality
Explore tap water quality data for counties across Wyoming. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.
Total Counties
121
Communities with public water systems
Total Population
533,840
Residents served by public water systems
Water Systems
322
Public water systems statewide
Serious Violators
6
Systems with serious violations
Counties
121
With water systems
Population
533,840
Served by water systems
Water Systems
322
Total water systems
Violators
6
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.
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Wyoming Counties
Afton
Population: 2,750
Water Systems: 7
Albin
Population: 181
Water Systems: 1
Alpine
Population: 1,965
Water Systems: 3
Alta
Population: 120
Water Systems: 1
Baggs
Population: 400
Water Systems: 1
Bairoil
Population: 71
Water Systems: 1
Basin
Population: 2,150
Water Systems: 2
Bedford
Population: 840
Water Systems: 2
Beulah
Population: 50
Water Systems: 1
Big Piney
Population: 498
Water Systems: 2
Buffalo
Population: 4,598
Water Systems: 3
Burlington
Population: 348
Water Systems: 1
Burns
Population: 1,024
Water Systems: 1
Byron
Population: 593
Water Systems: 1
Campbell
Population: 688
Water Systems: 3
Carpenter
Population: 94
Water Systems: 1
Casper
Population: 62,755
Water Systems: 11
Centennial
Population: 150
Water Systems: 1
Cheyenne
Population: 83,188
Water Systems: 15
Chugwater
Population: 200
Water Systems: 1
Clearmont
Population: 142
Water Systems: 1
Cody
Population: 18,392
Water Systems: 7
Cokeville
Population: 535
Water Systems: 1
Cowley
Population: 800
Water Systems: 1
Dayton
Population: 824
Water Systems: 1
Deaver
Population: 176
Water Systems: 1
Dixon
Population: 97
Water Systems: 1
Douglas
Population: 7,443
Water Systems: 6
Dubois
Population: 1,938
Water Systems: 2
Edgerton
Population: 195
Water Systems: 1
Elk Mountain
Population: 191
Water Systems: 1
Encampment
Population: 580
Water Systems: 2
Etna
Population: 135
Water Systems: 1
Evanston
Population: 13,365
Water Systems: 3
Evansville
Population: 2,853
Water Systems: 2
Fairview
Population: 45
Water Systems: 1
Farson
Population: 550
Water Systems: 2
Fort Laramie
Population: 230
Water Systems: 1
Frannie
Population: 160
Water Systems: 1
Freedom
Population: 307
Water Systems: 1
Gillette
Population: 44,564
Water Systems: 40
Glendo
Population: 247
Water Systems: 1
Glenrock
Population: 2,466
Water Systems: 1
Granger
Population: 139
Water Systems: 1
Green River
Population: 12,321
Water Systems: 6
Greybull
Population: 3,394
Water Systems: 3
Grover
Population: 252
Water Systems: 1
Guernsey
Population: 1,157
Water Systems: 1
Hanna
Population: 841
Water Systems: 1
Hartville
Population: 64
Water Systems: 1
Hot Springs
Population: 100
Water Systems: 1
Hudson
Population: 460
Water Systems: 1
Hulett
Population: 420
Water Systems: 1
Hyattville
Population: 66
Water Systems: 1
Jackson
Population: 31,348
Water Systems: 24
Kaycee
Population: 263
Water Systems: 1
Kemmerer
Population: 3,387
Water Systems: 2
Kirby
Population: 40
Water Systems: 1
La Barge
Population: 347
Water Systems: 1
La Grange
Population: 448
Water Systems: 1
Lance Creek
Population: 45
Water Systems: 1
Lander
Population: 7,722
Water Systems: 3
Laramie
Population: 32,904
Water Systems: 8
Lincoln
Population: 100
Water Systems: 1
Lingle
Population: 486
Water Systems: 1
Little America
Population: 2,004
Water Systems: 1
Lovell
Population: 2,510
Water Systems: 2
Lusk
Population: 1,576
Water Systems: 1
Lyman
Population: 3,728
Water Systems: 2
Manderson
Population: 110
Water Systems: 1
Manville
Population: 97
Water Systems: 1
Marbleton
Population: 861
Water Systems: 1
Medicine Bow
Population: 189
Water Systems: 1
Meeteetse
Population: 362
Water Systems: 2
Midwest
Population: 410
Water Systems: 1
Mills
Population: 10,503
Water Systems: 9
Moorcroft
Population: 1,042
Water Systems: 2
Moose
Population: 6,565
Water Systems: 3
Moran Jct
Population: 50
Water Systems: 1
Mountain View
Population: 1,250
Water Systems: 1
Natrona
Population: 48
Water Systems: 1
Newcastle
Population: 4,787
Water Systems: 7
Opal
Population: 65
Water Systems: 1
Osage
Population: 240
Water Systems: 1
Pavillion
Population: 230
Water Systems: 1
Pine Bluffs
Population: 1,186
Water Systems: 1
Pine Haven
Population: 498
Water Systems: 1
Pinedale
Population: 1,900
Water Systems: 1
Point of Rocks
Population: 78
Water Systems: 1
Powell
Population: 6,310
Water Systems: 1
Ranchester
Population: 1,297
Water Systems: 1
Rawlins
Population: 9,006
Water Systems: 1
Riverton
Population: 11,882
Water Systems: 12
Rock River
Population: 211
Water Systems: 1
Rock Springs
Population: 30,765
Water Systems: 11
Rolling Hills
Population: 450
Water Systems: 1
Rozet
Population: 77
Water Systems: 1
Saratoga
Population: 1,920
Water Systems: 2
Shell
Population: 120
Water Systems: 1
Sheridan
Population: 23,785
Water Systems: 3
Shoshoni
Population: 515
Water Systems: 1
Sinclair
Population: 433
Water Systems: 1
Smoot
Population: 720
Water Systems: 1
Star Valley Ranch
Population: 1,015
Water Systems: 1
Sublette
Population: 580
Water Systems: 1
Sundance
Population: 1,399
Water Systems: 2
Superior
Population: 336
Water Systems: 1
Ten Sleep
Population: 400
Water Systems: 1
Teton
Population: 660
Water Systems: 1
Thayne
Population: 3,325
Water Systems: 5
Thermopolis
Population: 4,173
Water Systems: 5
Torrington
Population: 7,662
Water Systems: 6
Upton
Population: 1,100
Water Systems: 1
Wamsutter
Population: 500
Water Systems: 1
Washakie
Population: 990
Water Systems: 1
Wheatland
Population: 3,839
Water Systems: 2
Wilson
Population: 536
Water Systems: 5
Worland
Population: 5,512
Water Systems: 2
Wright
Population: 2,500
Water Systems: 1
Yellowstone National Park
Population: 16,200
Water Systems: 3
Yoder
Population: 131
Water Systems: 1