Cub Creek 17-a
Cub Creek 17-a is an earth dam located in Jefferson County, Nebraska, built in 1973. It carries a Significant hazard potential classification and has a fair condition assessment.
About Cub Creek 17-a
The primary purpose of Cub Creek 17-a 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 Lower Big Blue Natural Resources District (local government). It impounds the Cub Creek near Beatrice.
The dam stands 32 feet tall and stretches 1,625 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 2,153 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1973, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/15/2021.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Nebraska |
| County | Jefferson |
| Nearest City | Beatrice |
| River/Stream | Cub Creek |
| Coordinates | 40.25712, -97.18129 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 31 ft |
| Dam Length | 1,625 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 2,153 acre-ft |
| Max Storage | 2,153 acre-ft |
| Normal Storage | 305 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,718 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/15/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01174 |
| Federal ID | NE01174 |
| More Info | State Dam Safety Program |