Tenkiller Ferry Dam
ILLINOIS RIVER·
Sequoyah, Oklahoma·
Built 1952·
Gravity·
197 ft tall
Physical Details
| Dam Height | 197 ft (taller than 100% in OK) |
| Dam Length | 4,940 ft |
| Dam Type | Gravity |
| Max Storage | 1.2M acre-ft |
| Normal Storage | 654.1K acre-ft |
| Surface Area | 12,900 acres |
| Drainage Area | 1,610 sq mi |
| Max Discharge | 290,400 cfs |
| Year Completed | 1952 (74 years old) |
| NID ID | OK10311 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: March 5, 2024
State Regulated: No
Ownership
USACE - Tulsa District
Federal Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Tenkiller Ferry Dam?
Tenkiller Ferry Dam is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Tenkiller Ferry Dam?
Tenkiller Ferry Dam is owned by USACE - Tulsa District (Federal Government).
When was Tenkiller Ferry Dam last inspected?
Tenkiller Ferry Dam was last inspected on March 5, 2024.
When was Tenkiller Ferry Dam built?
Tenkiller Ferry Dam was completed in 1952, making it 74 years old.
Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.