We found 54 public water systems in Dawson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Glendive City Of | Glendive | 5,500 | 0 | 61 |
| Glendive Bad Route West Rest | Glendive | 1,200 | 0 | 12 |
| Forest Park Water Rsid 24 | Glendive | 1,200 | 0 | 6 |
| Town Pump Travel Plaza Glendive | Glendive | 600 | 0 | 0 |
| Westgate Cenex | Glendive | 600 | 0 | 9 |
| Highland Park Utilities Assn | Glendive | 500 | 0 | 41 |
| Trail Star Cafe And Truck Stop | Glendive | 400 | 0 | 22 |
| Highland Park Water Assoc | County of Dawson | 300 | 0 | 0 |
| Jefferson School District No 1 | Glendive | 270 | 0 | 20 |
| Tractor Supply Company Glendive | Glendive | 250 | 0 | 1 |
| Cullinan Subway | Glendive | 200 | 0 | 0 |
| Richey Town Of | Richey | 180 | 0 | 19 |
| Gate City Dairy | County of Dawson | 160 | 0 | 0 |
| Glendive Alliance Church | Glendive | 150 | 0 | 3 |
| Montana Inn | County of Dawson | 125 | 0 | 0 |
| Casitas Del Mesa Mhp | Glendive | 120 | 0 | 0 |
| Glen Bowl Lanes | Glendive | 120 | 0 | 0 |
| Berg Automotive | Glendive | 100 | 0 | 0 |
| Dawson Community Airport | County of Dawson | 100 | 0 | 0 |
| Whispering Trees Mobile Park | Glendive | 100 | 0 | 0 |
| Wagon Wheel Bar | Glendive | 100 | 0 | 0 |
| I 94 Mobile Home Park | Glendive | 90 | 0 | 0 |
| Marketing Concepts Inc | Glendive | 85 | 0 | 0 |
| Hillcrest Trailer Court | County of Dawson | 60 | 0 | 0 |
| Frostys In And Out | Glendive | 54 | 0 | 0 |
| Derrick Motel | County of Dawson | 50 | 0 | 0 |
| Montana Dept Of Highways | County of Dawson | 50 | 0 | 0 |
| Cenex Service Station | County of Dawson | 50 | 0 | 0 |
| Dougs Chevron | County of Dawson | 50 | 0 | 0 |
| Husky Service Station | County of Dawson | 50 | 0 | 0 |
| Town Pump Glendive Ll 2 | Glendive | 50 | 0 | 0 |
| West Park Cenex Glendive | Glendive | 50 | 0 | 0 |
| Cheeks Trailer Court | County of Dawson | 45 | 0 | 0 |
| Cottonwood Country Club Glndv | Glendive | 40 | 0 | 0 |
| L And E Trailer Court | County of Dawson | 33 | 0 | 0 |
| Joys Service Center | Glendive | 30 | 0 | 0 |
| Rainbow Estates | Glendive | 30 | 0 | 0 |
| Casitas Del Mesa (south) | County of Dawson | 30 | 0 | 0 |
| Riverside Inn Glendive | Glendive | 27 | 0 | 0 |
| Green Valley Campground | Glendive | 27 | 0 | 0 |
| Montana Dept Of Highways | County of Dawson | 25 | 0 | 0 |
| Crossroads Conoco | Glendive | 25 | 0 | 0 |
| Intake Fishing Access Site | Glendive | 25 | 0 | 0 |
| Deer Creek School Dist #3 | County of Dawson | 25 | 0 | 0 |
| I 94 Trailer Court & Cg #2 | County of Dawson | 25 | 0 | 0 |
| Makoshika State Park | County of Dawson | 25 | 0 | 0 |
| Gate City Dairy | County of Dawson | 25 | 0 | 0 |
| Makoshika State Park | Glendive | 25 | 0 | 0 |
| Reynolds Market Glndv | Glendive | 25 | 0 | 0 |
| Albertsons Glendive No 2023 | Glendive | 25 | 0 | 0 |
| Lindsay Recreation | Lindsay | 25 | 0 | 0 |
| Cenex Supply | County of Dawson | 25 | 0 | 0 |
| Shady Havens Llc | Glendive | 24 | 0 | 0 |
| Big Sky Hardware | Richey | 15 | 0 | 0 |