Lebo #3, East Dam, also known as Lebo Lake, is a privately owned structure located in Shawmut, Montana.
Wind
Humidity
Built in 1973 by the USDA NRCS, this Earth-type dam serves primarily for irrigation purposes along the TR-Lebo Creek. With a height of 27 feet and a storage capacity of 4,735 acre-feet, the dam covers a surface area of 413 acres and has a drainage area of 2.7 square miles.
The dam has a spillway width of 35 feet and an uncontrolled spillway type, with a maximum discharge capacity of 110 cubic feet per second. Despite being classified as having a high hazard potential, the condition assessment as of December 2020 was deemed satisfactory. The emergency action plan for the dam was last revised in September 2020, and the risk assessment indicates a moderate risk level.
For water resource and climate enthusiasts, Lebo #3, East Dam offers an intriguing case study in dam infrastructure management and risk mitigation. Its location in the Wheatland County of Montana, under the jurisdiction of the DNRC, presents unique challenges and opportunities for sustainable water resource utilization. With a rich history of irrigation support dating back to its construction in the 1970s, the dam continues to play a crucial role in the local agricultural landscape.
Year Completed |
1973 |
Dam Length |
388 |
Dam Height |
27 |
River Or Stream |
TR-LEBO CREEK |
Primary Dam Type |
Earth |
Surface Area |
413 |
Hydraulic Height |
27 |
Drainage Area |
2.7 |
Nid Storage |
4735 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
27 |