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 |
|---|---|---|---|---|
| Albany County Lodge | Laramie, WY | 250 | 22 | - |
| Exxon Mobil - Shute Creek Gas Plant | Kemmerer, WY | 250 | 110 | - |
| Union Pacific Railroad | Cheyenne, WY | 250 | 5 | - |
| Camp Buffalo Bill | Casper, WY | 250 | 24 | - |
| Wrangler Estates | Gillette, WY | 250 | 273 | - |
| Alpine 4-H Camp | Arco, WY | 250 | 16 | - |
| Teton Valley Ranch Camp-Dubois | Jackson, WY | 250 | 17 | - |
| Osage Water District | Osage, WY | 240 | 13 | - |
| Ynp-Indian Creek | Yellowstone National Park, WY | 240 | 1 | - |
| Yellowstone Valley Inn | Cody, WY | 237 | 30 | - |
| Air Base Acres I&s District | Casper, WY | 236 | 21 | - |
| Powder River Coal-Rawhide Mine | Gillette, WY | 235 | 8 | - |
| Pavillion, Town Of | Pavillion, WY | 230 | 43 | - |
| Fairview Water & Sewer District | Grover, WY | 230 | 42 | - |
| Fort Laramie, Town Of | Fort Laramie, WY | 230 | 30 | - |
| Medicine Lodge St Hist Site | Hyattville, WY | 230 | 7 | - |
| West End Water District | Newcastle, WY | 225 | 235 | - |
| Darby Girls Camp | Idaho Falls, WY | 225 | 22 | - |
| Gtnp--Moose/Beaver Creek | Moose, WY | 221 | 9 | - |
| American Road W&S District | Gillette, WY | 220 | 25 | - |
| Sunridge Estates | Riverton, WY | 220 | 26 | - |
| Ridgewater Improvement District | Douglas, WY | 218 | 35 | - |
| National Wildlife Art Museum | Wilson, WY | 213 | 19 | - |
| Laramie County Archer Complex | Cheyenne, WY | 212 | 2 | - |
| Rock River, Town Of | Rock River, WY | 211 | 77 | - |
| Eaton's Dude Ranch | Wolf, WY | 210 | 1 | - |
| Fish Creek Improvement and Service Dist | Wilson, WY | 210 | 0 | - |
| Wydot-I80 Port of Entry | Cheyenne, WY | 206 | 6 | - |
| Pahaska Tepee Resort | Cody, WY | 205 | 36 | - |
| Akal Travel Center | Laramie, WY | 202 | 76 | - |
| Three Forks-Muddy Gap Service | Lutz, WY | 202 | 26 | - |
| Mhvc Cherry Creek Cg | Casper, WY | 202 | 5 | - |
| Weston County Mallo Camp | Newcastle, WY | 201 | 23 | - |
| Gros Ventre Utility | Jackson, WY | 200 | 20 | - |
| Poison Spider I&s District | Casper, WY | 200 | 72 | - |
| B&k Mobile Home Park | Pavillion, WY | 200 | 89 | - |
| Jade Mhc | Riverton, WY | 200 | 367 | - |
| Chugwater, Town Of | Chugwater, WY | 200 | 149 | - |
| B&a Marina | Cheyenne, WY | 200 | 24 | - |
| Powder River Coal-Caballo Mine | Gillette, WY | 200 | 22 | - |
| A Bar a Ranch | Encampment, WY | 200 | 29 | - |
| Snake River Park KOA | Jackson, WY | 200 | 22 | - |
| Mills Spring Ranch | Casper, WY | 200 | 63 | - |
| North Alpine I&s District | Alpine, WY | 200 | 97 | - |
| Flying X Ranch MHP | Wheatland, WY | 200 | 37 | - |
| Circle J Ranch | Thermopolis, WY | 200 | 42 | - |
| Flat Creek Inn | Jackson, WY | 200 | 11 | - |
| Mhvc Sixth Crossing Ranch RV Park | Casper, WY | 200 | 11 | - |
| Thirty-Three Mile Road I&s District | Mills, WY | 200 | 6 | - |
| Medicine Waters Village | Rawlins, WY | 200 | 8 | - |