Tap WaterIndex

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Tap water quality report

Wyoming

Across Wyoming's 317 community water suppliers, 0.3% exceed the EPA lead action level and 100% have detectable PFAS.

0.3%
exceed lead action level
(1/316 suppliers)
100%
PFOA/PFOS detected
(1/1 suppliers)
317
water suppliers
Lead by supplier PFAS by supplier

Largest water suppliers

Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the EPA action level. “—” means no lead sample is on file for that supplier.
SupplierCityPopulationLead (p90)
Cheyenne Board of Public Utilities Cheyenne 64,165 0.0150 mg/L
Casper, City of Casper 59,000 0.0010 mg/L
Laramie, City of Laramie 32,395 0.0013 mg/L
Gillette, City of Gillette 32,222 0.0040 mg/L
Jackson, Town of Jackson 24,760 0.0010 mg/L
Rock Springs, City of Rock Springs 24,000 0.0030 mg/L
Sheridan, City of Sheridan 22,700 0.0000 mg/L
Evanston, City of Evanston 11,727 0.0007 mg/L
Green River, City of Green River 10,500 0.0020 mg/L
Riverton, City of Riverton 10,330 0.0040 mg/L
Cody, City of Cody 10,224 0.0000 mg/L
South Cheyenne Water & Sewer District Cheyenne 10,000 0.0060 mg/L
Rawlins Water Supply, City of Rawlins 9,006 0.0010 mg/L
Ynp-Old Faithful Yellowstone Np 7,675 0.0060 mg/L
Lander, City of Lander 7,615 0.0000 mg/L
Northwest Rural Water District Cody 7,330 0.0000 mg/L
Torrington Municipal Water Dept, City of Torrington 6,847 0.0050 mg/L
Douglas, City of Douglas 6,400 0.0060 mg/L
Powell, City of Powell 6,310 0.0020 mg/L
Ynp - Lake Village Yellowstone Nt 5,925 0.0110 mg/L
Usaf F.E. Warren Afb Cheyenne 5,500 0.0000 mg/L
Worland Utilities Commission Worland 4,787 0.0030 mg/L
Gtnp-Colter Bay Village Moose 4,514 0.0000 mg/L
Buffalo, City of Buffalo 4,419 0.0020 mg/L
Arapahoe Comm Water System Ethete 4,100 0.0000 mg/L
Mills, City of Mills 4,050 0.0000 mg/L
Bar Nunn, Town of Mills 4,000 0.0010 mg/L
Wheatland, Town of Wheatland 3,659 0.0030 mg/L
Newcastle, City of Newcastle 3,595 0.0010 mg/L
Kemmerer-Diamondville Jpb Kemmerer 3,348 0.0020 mg/L
Wright Water & Sewer District Wright 3,207 0.0030 mg/L
White Mountain W&S District Rock Springs 3,000 0.0020 mg/L
Evansville, Town of Evansville 2,873 0.0020 mg/L
Thermopolis, Town of Thermopolis 2,775 0.0040 mg/L
Fort Washakie Fort Washakie 2,620 0.0040 mg/L
Ynp-Mammoth Hot Springs Yellowstone Np 2,600 0.0040 mg/L
Glenrock, Town of Glenrock 2,466 0.0020 mg/L
Sleepy Hollow Subdivision Gillette 2,400 0.0020 mg/L
Lovell, Town of Lovell 2,250 0.0000 mg/L
Lyman, Town of Lyman 2,203 0.0010 mg/L
Greybull, Town of Greybull 2,080 0.0010 mg/L
Star Valley Ranch, Town of Star Valley Ranch 2,030 0.0080 mg/L
Little America Hotels & Resorts, Inc- Wy Little America 2,004 0.0040 mg/L
Afton, Board of Pub Utilities Afton 2,000 0.0010 mg/L
Ethete Water System Fort Washakie 1,950 0.0010 mg/L
Leisure Valley Inc/ Star Valley Rv Park Thayne 1,910 0.0010 mg/L
Pinedale Municipal Ws Pinedale 1,900 0.0010 mg/L
Gtnp-Jackson Lake Lodge Moose 1,830 0.0020 mg/L
Dubois, Town of Dubois 1,822 0.0000 mg/L
Bridger Valley Joint Powers Board Lyman 1,728 0.0010 mg/L
Saratoga, Town of Saratoga 1,720 0.0000 mg/L
Vista West Water Company Casper 1,600 0.0020 mg/L
Lusk, Town of Lusk 1,576 0.0020 mg/L
Pioneer Water & Sewer District Mills 1,500 0.0020 mg/L
Rafter J Subdivision Hoa Jackson 1,500 0.0030 mg/L
Aspens Pines W&S District Jackson 1,400 0.0020 mg/L
Alpine, Town of Alpine 1,300 0.0020 mg/L
Ranchester, Town of Ranchester 1,297 0.0000 mg/L
Antelope Valley I&S District (Avisd) Gillette 1,280 0.0000 mg/L
Sundance, City of Sundance 1,279 0.0020 mg/L
Basin, Town of Basin 1,250 0.0030 mg/L
Mountain View, Town of Mountain View 1,250 0.0030 mg/L
Bear River Regional Joint Powers Evanston 1,200 0.0000 mg/L
Guernsey, Town of Guernsey 1,157 0.0000 mg/L
Upton, Town of Upton 1,100 0.0020 mg/L
Winchester Hills Cheyenne 1,078 0.0020 mg/L
Burns Board of Public Utilities Burns 1,024 0.0010 mg/L
Moorcroft, Town of Moorcroft 1,009 0.0000 mg/L
Pioneer Mobile Home Park Green River 1,000 0.0030 mg/L
Washakie Rural Water System Worland 990 0.0010 mg/L
Clearview I&S District Rock Springs 930 0.0030 mg/L
Teton Village Water & Sewer District Teton Village 906 0.0020 mg/L
Melody Ranch Improvement & Service Dist. Jackson 900 0.0050 mg/L
South Big Horn County Jpb Basin 900 0.0010 mg/L
Marbleton, Town of Marbleton 861 0.0000 mg/L
Fox Park Subdivision Gillette 843 0.0020 mg/L
Hanna, Town of Hanna 841 0.0020 mg/L
Dayton, Town of Dayton 824 0.0040 mg/L
Cowley, Town of Cowley 800 0.0030 mg/L
Heritage Village Subdivision Gillette 750 0.0020 mg/L
Bedford Water & Sewer District Bedford 750 0.0010 mg/L
Foothills Mobile Home Park Gillette 735 0.0000 mg/L
Greater Smoot W&S District Smoot 720 0.0010 mg/L
Eastview Manufactured Home Community Gillette 688 0.0000 mg/L
Veterans Administration Medical Center Sheridan 685 0.0100 mg/L
West Winds Cheyenne 663 0.0000 mg/L
Arapahoe Industrial Park Fort Washakie 650 0.0000 mg/L
Big Country Estates Cheyenne 615 0.0010 mg/L
Salt Creek Water District Newcastle 600 0.0000 mg/L
High Meadow Ranch Pinedale 580 0.0000 mg/L
Byron, Town of Byron 561 0.0000 mg/L
Jamestown-Rio Vista W&S District Green River 560 0.0000 mg/L
Cokeville, Town of Cokeville 535 0.0011 mg/L
Farson Eden School Farson 530 0.0010 mg/L
Shoshoni, Town of Shoshoni 515 0.0040 mg/L
Wamsutter, Town of Wamsutter 500 0.0020 mg/L
Crestview Estates Subdivision Gillette 500 0.0000 mg/L
Pine Haven, Town of Pine Haven 498 0.0020 mg/L
South Laramie W&S District Laramie 490 0.0050 mg/L
Lingle, Town of Lingle 486 0.0010 mg/L