Great Salt Plains Dam
Key Takeaway
Great Salt Plains Dam is classified as high hazard in Oklahoma. It was completed in 1941 and is 85 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 | 68 ft (taller than 98.4% in OK) |
| Dam Length | 6,010 ft |
| Dam Type | Earth |
| Max Storage | 990.2K acre-ft |
| Normal Storage | 31.4K acre-ft |
| Surface Area | 8,690 acres |
| Drainage Area | 3,200 sq mi |
| Max Discharge | 101,800 cfs |
| Year Completed | 1941 (85 years old) |
| NID ID | OK10319 |
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
USACE - Tulsa District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Great Salt Plains Dam?
Great Salt Plains Dam 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 Great Salt Plains Dam?
Great Salt Plains Dam is owned by USACE - Tulsa District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Great Salt Plains Dam built?
Great Salt Plains Dam was completed in 1941, making it 85 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 Great Salt Plains Dam?
Great Salt Plains Dam serves the following purposes: Flood Risk Reduction, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Great Salt Plains Dam?
Great Salt Plains Dam has a dam height of 68 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 Great Salt Plains Dam last inspected?
Great Salt Plains Dam was last inspected on May 1, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.