Tin Cup Lake (Powell)
Montana — Powell County — TIN CUP JOE CREEK
Location
| State | Montana |
| County | Powell |
| River | TIN CUP JOE CREEK |
| Coordinates | 46.38860, -112.85460 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 600 ft |
| NID Storage | 229 acre-ft |
| Max Storage | 229 acre-ft |
| Surface Area | 19 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | June 19, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | STATE OF MONTANA, D.O.C. |
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.