PlainWater

Public Water Systems

766 active public water systems in WY, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

System Name Location Population Violations PFAS
WY DOT-Meriden Ra Laramie, WY 150 16 -
South End Water Users S&i District Lovell, WY 150 24 -
Centennial Water and Sewer District Centennial, WY 150 78 -
WY DOT-Torrington Port of Entry Casper, WY 150 11 -
Line Shack Lodge Hasty, WY 150 50 -
Sandy Lake Estates I&s District Casper, WY 150 12 -
307 Horse Racing Casper, WY 150 24 -
Lds Larmie WY Stake Rec Camp/Batel Ranch Salt Lake City, WY 150 3 -
Mountain Top Baptist Assembly Casper, WY 150 19 -
Jackson Hole Classical Academy Wilson, WY 150 4 -
Shoshone Nf-Three Mile Cg Cody, WY 150 15 -
Bhnf-Burgess RV Dump Station Sheridan, WY 150 3 -
Cambria I&s District Newcastle, WY 148 44 -
Hf Sinclair Golf Course, LLC Sinclair, WY 148 53 -
Garcia Mobile Home Park American Fork, WY 148 0 -
Hatchet Resort Moran, WY 146 28 -
Water Unlimited, Incorporated Newcastle, WY 144 26 -
Southfork Estates Gillette, WY 144 25 -
Bennor Estates & Improvement District Gillette, WY 144 52 -
Clearmont, Town Of Clearmont, WY 142 26 -
Eagle Ridge MHP, LLC Gillette, WY 140 287 -
Green Valley Estates I&s District Gillette, WY 140 22 -
Frontier Mart Alliance, WY 140 17 -
Holy Family Catholic Church, Inc. Thayne, WY 140 8 -
Granger, Town Of Granger, WY 139 130 -
Emmanuel Bible Church Thayne, WY 138 47 -
Etna Water & Sewer District Grover, WY 135 85 -
Fairway Estates Douglas, WY 135 49 -
Btnf-Station Creek Cg Jackson, WY 135 6 -
Yoder, Town Of Yoder, WY 131 21 -
Wyoming Boys School Worland, WY 131 0 -
South Pass City Historical Site South Pass, WY 131 41 -
Pleasant View Water Company Casper, WY 130 6 -
Natrona County Parks-Trails Center Mills, WY 130 12 -
Seven Mile Water & Sewer District Laramie, WY 130 31 -
Sierra Madre Jpb Encampment, WY 130 35 -
Jonah Energy (Linn) Oc Denver, WY 130 0 -
Highland Ranch Estates Cheyenne, WY 128 208 -
North Gurley Mobile Home Park Gillette, WY 128 6 -
Countryside Court Mills, WY 125 301 -
South Riverside Acres Wtr Impr Dist Evansville, WY 125 31 -
Daniel Junction Daniel, WY 125 5 -
The Station Ogden, WY 125 19 -
Targhee Nf-Teton Canyon Cg Driggs, WY 125 12 -
Crooked Creek Guest Ranch Dubois, WY 123 76 -
Shell Town Water Improvement District Shell, WY 120 9 -
Vista West Improvement & Serv District Gillette, WY 120 57 -
Targhee Towne Water District Wilson, WY 120 80 -
Eight Mile Subdivision Gillette, WY 120 6 -
Fish Creek Center Wilson, WY 120 26 -
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