Lebo #3,east Dam
Lebo #3,east Dam is an earth dam located in Wheatland County, Montana, built in 1973. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lebo #3,east Dam
The primary purpose of Lebo #3,east Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lake Lebo Irrigation Co (private). It impounds the Tr-lebo Creek near Shawmut.
The dam stands 27 feet tall and stretches 388 feet across, creates a reservoir covering 413 acres, has a maximum storage capacity of 4,735 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/06/2020.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Montana dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Wheatland |
| Nearest City | Shawmut |
| River/Stream | Tr-lebo Creek |
| Coordinates | 46.30937, -110.02360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 388 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 4,735 acre-ft |
| Max Storage | 4,735 acre-ft |
| Normal Storage | 3,105 acre-ft |
| Surface Area | 413 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 110 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LAKE LEBO IRRIGATION CO |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/06/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MT00073 |
| Federal ID | MT00073 |
| More Info | State Dam Safety Program |