Cottonwood Creek 23-A
Key Takeaway
Cottonwood Creek 23-A is classified as low hazard in Nebraska. It was completed in 1970 and is 56 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 28 ft (taller than 59.7% in NE) |
| Dam Length | 934 ft |
| Dam Type | Earth |
| Max Storage | 313 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,016 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | NE00058 |
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 22-A
Saunders, NE
Low Hazard 42 ftKavan Dam 2
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Low Hazard 18 ftKavan Dam 1
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Low Hazard 15 ftCottonwood Creek 21-A
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High Hazard 37 ftCottonwood Creek 32-A
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Low Hazard 27 ftRoberts Dam 254
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Low Hazard 20 ftChapek Dam
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Low Hazard 14 ftCottonwood Creek 8-D
Saunders, NE
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Cottonwood Creek 23-A?
Cottonwood Creek 23-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 23-A?
Cottonwood Creek 23-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 23-A built?
Cottonwood Creek 23-A was completed in 1970, making it 56 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 23-A?
Cottonwood Creek 23-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 23-A?
Cottonwood Creek 23-A has a dam height of 28 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 23-A last inspected?
Cottonwood Creek 23-A was last inspected on June 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.