Fort Cobb
Key Takeaway
Fort Cobb is classified as high hazard in Oklahoma. It was completed in 1959 and is 67 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 | 101 ft (taller than 99.5% in OK) |
| Dam Length | 9,900 ft |
| Dam Type | Earth |
| Max Storage | 298.3K acre-ft |
| Normal Storage | 80.0K acre-ft |
| Surface Area | 5,882 acres |
| Drainage Area | 317 sq mi |
| Max Discharge | 3,050 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | OK02502 |
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
RECLAMATION
Federal Government
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Fort Cobb?
Fort Cobb 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 Fort Cobb?
Fort Cobb is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fort Cobb built?
Fort Cobb was completed in 1959, making it 67 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 Fort Cobb?
Fort Cobb 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 Fort Cobb?
Fort Cobb has a dam height of 101 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 Fort Cobb last inspected?
Fort Cobb was last inspected on July 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.