We found 41 public water systems in Rosebud county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Consolidated Cheyenne Us | County of Rosebud | 2,500 | 0 | 0 |
| Colstrip City Of | Colstrip | 2,350 | 0 | 42 |
| Forsyth City Of | Forsyth | 1,944 | 0 | 164 |
| St Labre Indian School | Ashland | 650 | 0 | 129 |
| East Bound Hathaway Rest Area | Forsyth | 600 | 0 | 14 |
| Wb Hathaway Rest Area | Forsyth | 600 | 0 | 11 |
| Ashland Water And Sewer Dist | Ashland | 400 | 0 | 23 |
| Western Energy Company | Colstrip | 200 | 0 | 46 |
| B & R Village | County of Rosebud | 125 | 0 | 0 |
| Star Lite Drive In Theatre | County of Rosebud | 100 | 0 | 0 |
| Rosebud School District No 12 | Rosebud | 100 | 0 | 0 |
| Colstrip Super Stop | Colstrip | 100 | 0 | 0 |
| Usaf Radar Station | County of Rosebud | 90 | 0 | 0 |
| Hathaway Bar | Hathaway | 75 | 0 | 0 |
| Longhorn Bar | Rosebud | 75 | 0 | 0 |
| Rosebud Diner | County of Rosebud | 60 | 0 | 0 |
| Lower Brewer Trailer Court | County of Rosebud | 60 | 0 | 0 |
| Big Sky Coal Company Colstrip | Colstrip | 57 | 0 | 0 |
| Montana Dept Of Highways | County of Rosebud | 50 | 0 | 0 |
| C Club | County of Rosebud | 50 | 0 | 0 |
| Coffee Corral Drive-inn | County of Rosebud | 50 | 0 | 0 |
| Wagon Wheel Trailer Court | County of Rosebud | 45 | 0 | 0 |
| Food And Beverage Depot | County of Rosebud | 40 | 0 | 0 |
| Forsyth Country Club | Forsyth | 40 | 0 | 0 |
| Lds Church Forsyth | Forsyth | 35 | 0 | 0 |
| Snider Trailer Court | County of Rosebud | 32 | 0 | 0 |
| Upper Brewer Trailer Court | County of Rosebud | 30 | 0 | 0 |
| Colstrip Ice And Service | County of Rosebud | 30 | 0 | 0 |
| Birney School | County of Rosebud | 30 | 0 | 0 |
| Ingomar Water District | Ingomar | 30 | 0 | 0 |
| Ingomar School | County of Rosebud | 29 | 0 | 0 |
| Coal Corral Colstrip | County of Rosebud | 25 | 0 | 0 |
| Erickson Trucking | County of Rosebud | 25 | 0 | 0 |
| Rosebud Foods | Rosebud | 25 | 0 | 0 |
| Pichionnies Forsyth Iga | Forsyth | 25 | 0 | 0 |
| Super Center Iga | Lame Deer | 25 | 0 | 0 |
| Lions Park And Spring | Forsyth | 25 | 0 | 0 |
| Jersey Lilly Bar & Cafe | County of Rosebud | 20 | 0 | 0 |
| Wagon Wheel Campground Forsyth | Forsyth | 17 | 0 | 0 |
| Colstrip Moose Lodge No 2190 | Colstrip | 0 | 0 | 0 |
| Bogus Lame Deer 083090064 | Lame Deer | 0 | 0 | 0 |