Blackwood Creek 11-A
Key Takeaway
Blackwood Creek 11-A is classified as high hazard in Nebraska. It was completed in 1992 and is 34 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 59 ft (taller than 98.5% in NE) |
| Dam Length | 1,070 ft |
| Dam Type | Earth |
| Max Storage | 6.1K acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 61 sq mi |
| Max Discharge | 5,920 cfs |
| Year Completed | 1992 (34 years old) |
| NID ID | NE02369 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Middle Republican Natural Resources District
Local Government
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Blackwood Creek 11-A?
Blackwood Creek 11-A is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Blackwood Creek 11-A?
Blackwood Creek 11-A is owned by Middle Republican Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blackwood Creek 11-A built?
Blackwood Creek 11-A was completed in 1992, making it 34 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Blackwood Creek 11-A?
Blackwood Creek 11-A serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Blackwood Creek 11-A?
Blackwood Creek 11-A has a dam height of 59 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Blackwood Creek 11-A last inspected?
Blackwood Creek 11-A was last inspected on May 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.