Wyoming Water Quality Reports
Comprehensive water quality data for 79 cities across Wyoming. View EPA-verified contaminant levels and get filter recommendations.
Water Quality by County
Explore aggregated water quality scores across Wyoming counties. Scores are calculated based on EPA data and weighted by population.
Common Contaminants in Wyoming
71 cities in Wyoming have at least one contaminant above EPA health guidelines.
Worried about Bromodichloromethane in your water?
Upload your water test (PDF or a photo) and we'll email a plain-English reading of your Bromodichloromethane result β and every other number β free. Educational only, no medical claims.
Your upload also helps us keep local water data accurate β we only ever share anonymized, area-level summaries.
Upload my testCities in Wyoming
Cheyenne
Casper
South Greeley
Fox Farm-College
Rock Springs
Sheridan
Cody
Jackson
Green River
Evanston
Riverton
Mills
Lander
Powell
Torrington
F.e. Warren Afb
Warren AFB
Worland
Newcastle
Buffalo
Thermopolis
Alcova
Hartrandt
Clearview Acres
Lyman
Wheatland
South Park
Fort Washakie
Greybull
Kemmerer
Evansville
Wright
Glenrock
Lovell
Basin
Little America
Afton
Ethete
Pinedale
Dubois
Star Valley Ranch
Saratoga
Lusk
Alpine
Pavillion
Sundance
Mountain View
Bear River
Guernsey
Upton
Burns
Moorcroft
Ranchester
Shoshoni
Byron
Cokeville
Lingle
Hudson
Burlington
La Barge
Meeteetse
Gillette
East Thermopolis
Glendo
Fort Laramie
Chugwater
Deaver
Clearmont
Granger
Yoder
Shell
Manderson
Wilson
Hyattville
Opal
Hartville
Kirby
Casper Mountain
Grover
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