Rock Creek 22-A
Key Takeaway
Rock Creek 22-A is classified as low hazard in Nebraska. It was completed in 1979 and is 47 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 34 ft (taller than 79.7% in NE) |
| Dam Length | 990 ft |
| Dam Type | Earth |
| Max Storage | 608 acre-ft |
| Normal Storage | 139 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 356 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | NE01687 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Nemaha Natural Resources District
Local Government
Nearby Dams
Rock Creek 21-A
Pawnee, NE
Low Hazard 37 ftRock Creek 23-A
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Low Hazard 33 ftRock Creek 24-A
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Low Hazard 38 ftWenzl Dam
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Low Hazard 31 ftRock Creek 2-1
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Low Hazard 27 ftRock Creek 3-4
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Low Hazard 24 ftRock Creek 1-7
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Low Hazard 33 ftWoltemath Dam
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Rock Creek 22-A?
Rock Creek 22-A is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rock Creek 22-A?
Rock Creek 22-A is owned by Nemaha Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Creek 22-A built?
Rock Creek 22-A was completed in 1979, making it 47 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 Rock Creek 22-A?
Rock Creek 22-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 Rock Creek 22-A?
Rock Creek 22-A has a dam height of 34 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 Rock Creek 22-A last inspected?
Rock Creek 22-A was last inspected on August 8, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.