League Dam
League Dam is an earth dam located in Douglas County, Nebraska, built in 1960. It carries a Significant hazard potential classification and has a poor condition assessment.
About League Dam
The primary purpose of League 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 Jill A League (private). It impounds the Tr-elkhorn River.
The dam stands 29 feet tall and stretches 260 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 17 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/25/2023.
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Location
| State | Nebraska |
| County | Douglas |
| Nearest City | None |
| River/Stream | Tr-elkhorn River |
| Coordinates | 41.37427, -96.28162 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 260 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 17 acre-ft |
| Max Storage | 17 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 138 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Jill A League |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/25/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE04138 |
| Federal ID | NE04138 |
| More Info | State Dam Safety Program |