Cottonwood Creek 22-A
Key Takeaway
Cottonwood Creek 22-A is classified as low hazard in Nebraska. It was completed in 1987 and is 39 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 42 ft (taller than 92.2% in NE) |
| Dam Length | 1,253 ft |
| Dam Type | Earth |
| Max Storage | 2.6K acre-ft |
| Normal Storage | 509 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,962 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | NE02244 |
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
Lower Platte North Natural Resources District
Local Government
Nearby Dams
Cottonwood Creek 23-A
Saunders, NE
Low Hazard 28 ftCottonwood Creek 21-A
Saunders, NE
High Hazard 37 ftKavan Dam 2
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Low Hazard 18 ftBarry Dam
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Low Hazard 19 ftCottonwood Creek 32-A
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Low Hazard 27 ftKavan Dam 1
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Low Hazard 15 ftCottonwood Creek 8-D
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Low Hazard 27 ftChapek Dam
Saunders, NE
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Cottonwood Creek 22-A?
Cottonwood 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 Cottonwood Creek 22-A?
Cottonwood Creek 22-A is owned by Lower Platte North Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cottonwood Creek 22-A built?
Cottonwood Creek 22-A was completed in 1987, making it 39 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 Cottonwood Creek 22-A?
Cottonwood 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 Cottonwood Creek 22-A?
Cottonwood Creek 22-A has a dam height of 42 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 Cottonwood Creek 22-A last inspected?
Cottonwood Creek 22-A was last inspected on June 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.