Tenkiller Ferry Dam

ILLINOIS RIVER· Sequoyah, Oklahoma· Built 1952· Gravity· 197 ft tall
High Hazard Flood Risk Reduction Hydroelectric Federal Government

Physical Details

Dam Height 197 ft (taller than 100% in OK)
Dam Length4,940 ft
Dam TypeGravity
Max Storage1.2M acre-ft
Normal Storage654.1K acre-ft
Surface Area12,900 acres
Drainage Area1,610 sq mi
Max Discharge290,400 cfs
Year Completed1952 (74 years old)
NID IDOK10311

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

Nearby Dams

Frequently 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.