Johnson County, Wyoming
11 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Buffalo, City of | 4,419 | Surface Water | 27 | 20 |
| South Fork Mountain Lodge | 76 | Groundwater | 42 | 12 |
| Ymca of the Big Horns Camp Roberts | 40 | Groundwater | 16 | 9 |
| Fort Phil Kearny St Hist Site | 89 | Groundwater | 9 | 4 |
| Paradise Guest Ranch | 90 | Groundwater | 6 | 3 |
| Bhnf-tie Hack Cg | 35 | Groundwater | 9 | 1 |
| Lake Stop Llc | 112 | Groundwater | 11 | 0 |
| Bald Mountain Trailer Court | 150 | Groundwater | 8 | 0 |
| Kaycee, Town of | 263 | Groundwater | 5 | 0 |
| Bighorn Mountain Campground | 29 | Groundwater | 4 | 0 |
| Wy Dot-powder River Ra | 27 | Groundwater | 0 | 0 |