Sheridan County, Montana
8 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Sunset Camping Llc | 42 | Surface Water Purchased | 13 | 7 |
| Raymond Border Station | 37 | Groundwater | 9 | 1 |
| Outlook County Sewer and Water | 96 | Groundwater | 82 | 0 |
| Antelope County Water and Sewer | 59 | Surface Water Purchased | 27 | 0 |
| Medicine Lake Town of | 600 | Surface Water Purchased | 10 | 0 |
| Westby Town of | 172 | Surface Water Purchased | 9 | 0 |
| Brush Lake State Park | 58 | Surface Water Purchased | 5 | 0 |
| Plentywood Water Department | 1,700 | Surface Water Purchased | 2 | 0 |