Altus South Dike
Key Takeaway
Altus South Dike is classified as high hazard in Oklahoma. It was completed in 1945 and is 81 years old. Its primary use is irrigation. 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 | 46 ft (taller than 92% in OK) |
| Dam Length | 330 ft |
| Dam Type | Earth |
| Max Storage | 168.1K acre-ft |
| Normal Storage | 134.5K acre-ft |
| Surface Area | 6,260 acres |
| Drainage Area | 2,515 sq mi |
| Max Discharge | 57,200 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | OK82905 |
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 27 ftFrequently Asked Questions
What is the hazard classification of Altus South Dike?
Altus South Dike 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 Altus South Dike?
Altus South Dike is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Altus South Dike built?
Altus South Dike was completed in 1945, making it 81 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 Altus South Dike?
Altus South Dike serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Altus South Dike?
Altus South Dike has a dam height of 46 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 Altus South Dike last inspected?
Altus South Dike was last inspected on July 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.