Deadman Draw Dam
Deadman Draw Dam is an earth dam located in Sioux County, Nebraska, built in 1965. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Deadman Draw Dam
The primary purpose of Deadman Draw Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Asa Farms Inc. (private). It impounds the Deadman Draw near Mitchell.
The dam stands 58 feet tall and stretches 1,640 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 880 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/03/2021.
At 58 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Mitchell |
| River/Stream | Deadman Draw |
| Coordinates | 42.03238, -103.87168 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 58 ft |
| Dam Height | 45 ft |
| Dam Length | 1,640 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 880 acre-ft |
| Max Storage | 880 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 72 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Asa Farms Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/03/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01839 |
| Federal ID | NE01839 |
| More Info | State Dam Safety Program |