Colstrip Diversion Dam
Montana — Rosebud County — TR-EAST FORK ARMMELLS CREEK
Location
| State | Montana |
| County | Rosebud |
| River | TR-EAST FORK ARMMELLS CREEK |
| Coordinates | 45.90530, -106.65220 |
Physical Characteristics
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 535 ft |
| NID Storage | 260 acre-ft |
| Max Storage | 260 acre-ft |
| Surface Area | 21 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | July 14, 2014 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1976 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | TALEN ENERGY |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.