We found 14 public water systems that could serve the same population as Downer Neighborhood I&s District (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Sheridan, City Of | Sheridan | 15,500 | 52 | 13 |
| Veterans Administration Medical Center | Sheridan | 470 | 0 | 10 |
| WY DOT-HIGHWAY 339 PORT OF ENTRY | Sheridan | 165 | 0 | 1 |
| Bighorn Mountain Koa | Sheridan | 158 | 0 | 17 |
| Bighorn Nf Boulder Park | Sheridan | 150 | 0 | 8 |
| Bighorn Nf-ranger Creek Campground | Sheridan | 40 | 0 | 0 |
| Bighorn Nf Tyrrell Work Center | Sheridan | 30 | 0 | 0 |
| WY TRANS DEPT POWDER RIVER RA | Sheridan | 25 | 0 | 0 |
| Leiterville Country Club | Sheridan | 25 | 0 | 0 |
| Elkhorn Trailer Park | Sheridan | 20 | 0 | 0 |
| Bighorn Nf-burgess Ranger Station | Sheridan | 20 | 0 | 0 |
| Inter-tribal Wellness Center | Sheridan | 0 | 0 | 0 |
| Spear-o-wigwam Mountain Campus | Sheridan | 0 | 0 | 0 |
| Chuck Wagon Market | Sheridan | 0 | 0 | 0 |