Willow Creek Dike 1
Montana — Big Horn County — Rotten Grass Creek - TR
Location
| State | Montana |
| County | Big Horn |
| River | Rotten Grass Creek - TR |
| Coordinates | 45.16445, -107.61811 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 10 ft |
| Dam Length | 476 ft |
| NID Storage | 9,200 acre-ft |
| Max Storage | 9,200 acre-ft |
| Surface Area | 652 acres |
Safety Classification
| Hazard Potential | Undetermined |
| Condition Assessment | Fair |
| EAP Status | No |
| Last Inspection | January 6, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1941 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | BIA |
| Other Name | Lodge Grass Reservoir |
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.