Cottonwood
Key Takeaway
Cottonwood is classified as low hazard in Oklahoma. It was completed in 1964 and is 62 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 15 ft (taller than 1% in OK) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 500 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | OK21281 |
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
DOI FWS
Federal Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Cottonwood?
Cottonwood 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?
Cottonwood is owned by DOI FWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cottonwood built?
Cottonwood was completed in 1964, making it 62 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?
Cottonwood 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?
Cottonwood has a dam height of 15 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 last inspected?
Cottonwood was last inspected on January 1, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.