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 |
|---|---|---|---|---|
| Section 4 Water System Incorporated | Gillette, WY | 120 | 15 | - |
| Mhvc Sage Cg | Casper, WY | 120 | 5 | - |
| Town of Alpine - Mega Well | Alpine, WY | 120 | 0 | - |
| Gtnp-Jenny Lake | Moose, WY | 120 | 0 | - |
| Gtnp-Leeks Marina | Moose, WY | 120 | 0 | - |
| Shoshone Nf-Fox Creek Cg | Cody, WY | 120 | 6 | - |
| Half Moon Lake Lodge | Pinedale, WY | 115 | 42 | - |
| Dixon, Town Of | Dixon, WY | 114 | 132 | - |
| Little Bear Inn | Cheyenne, WY | 112 | 79 | - |
| Curt Gowdy Sp-Conc, Tw & Sherman Hls Cg | Cheyenne, WY | 112 | 9 | - |
| Lake Stop LLC | Buffalo, WY | 112 | 20 | - |
| Desert Trails MHP | Green River, WY | 112 | 21 | - |
| Sleeping Giant Ski Area | Cody, WY | 112 | 31 | - |
| Manderson, Town Of | Basin, WY | 110 | 21 | - |
| Red Lane Domestic Water, Inc. | Thermopolis, WY | 110 | 108 | - |
| Sand Creek Trading Post | Spearfish, WY | 110 | 92 | - |
| White Pine Resort | Littleton, WY | 110 | 30 | - |
| W Bar K Mobile Home Park | Littleton, WY | 110 | 9 | - |
| Tractor Supply Company-Cheyenne | Cheyenne, WY | 110 | 2 | - |
| Hide-A-Way Mobile Village | Cheyenne, WY | 107 | 82 | - |
| Lost Creek Ranch | Moose, WY | 105 | 14 | - |
| Camp Wyoba and Lions Club | Casper, WY | 105 | 44 | - |
| Coal Creek Mine-Thunder Basin Coal Co | Wright, WY | 105 | 2 | - |
| WY DOT-Shirley Rim Rest Area | Casper, WY | 105 | 5 | - |
| Buckhorn Bar and Grill | Newcastle, WY | 104 | 84 | - |
| Big Horn Basin Boat Club | Cody, WY | 104 | 6 | - |
| Wind River View Campground | Boulder, WY | 104 | 22 | - |
| Ynp-Lamar Ranger Station | Yellowstone National Park, WY | 104 | 0 | - |
| Wagon Box Inn | Story, WY | 103 | 89 | - |
| Miners Grubstake, LLC | Atlantic City, WY | 103 | 44 | - |
| Turpin Meadow Ranch | Moran, WY | 102 | 48 | - |
| Spence Foundation - Thunderhead Ranch | Dubois, WY | 102 | 6 | - |
| Hoy Mobile Home Park | Gillette, WY | 100 | 48 | - |
| A & J Mobile Home Park | Pavillion, WY | 100 | 96 | - |
| Snake River Mobile Home Park | Dallas, WY | 100 | 457 | - |
| Arrowhead Wyoming LLC | Dayton, WY | 100 | 60 | - |
| Rolling Green Country Club | Green River, WY | 100 | 34 | - |
| Keyhole St Park Cottonwood Cg | Moorcroft, WY | 100 | 11 | - |
| Teton Shadows HOA | Wilson, WY | 100 | 60 | - |
| Rivermeadows Water District | Jackson, WY | 100 | 210 | - |
| Kelly School (Tcsd #1) | Jackson, WY | 100 | 202 | - |
| Uinta County Youth Camp | Evanston, WY | 100 | 28 | - |
| Dillman Estates | Torrington, WY | 100 | 56 | - |
| Devil's Tower Trading Post | Devil's Tower, WY | 100 | 5 | - |
| Rock Creek Hollow Lds Church Cg | Casper, WY | 100 | 14 | - |
| Valley View Mutual Water Company | Wilson, WY | 100 | 18 | - |
| Trail Ridge Water System | Grover, WY | 100 | 3 | - |
| Stone Creek HOA | Torrington, WY | 100 | 62 | - |
| Camp Grace | Wheatland, WY | 100 | 12 | - |
| Glendo Lakeside RV Park | Glendo, WY | 100 | 1 | - |