Tenkiller Ferry Dam - Dike
Tenkiller Ferry Dam - Dike is a gravity dam located in Sequoyah County, Oklahoma, built in 1952. It carries a High hazard potential classification.
About Tenkiller Ferry Dam - Dike
The primary purpose of Tenkiller Ferry Dam - Dike is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Usace - Tulsa District (federal). It impounds the Illinois River near Gore.
The dam stands 197 feet tall and stretches 4,940 feet across, creates a reservoir covering 12,900 acres, has a maximum storage capacity of 1,230,800 acre-feet, and collects water from a drainage area of 1,610 square miles. Completed in 1952, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 05/08/2019.
At 197 feet, this dam is taller than 99% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Oklahoma dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oklahoma |
| County | Sequoyah |
| Nearest City | Gore |
| River/Stream | Illinois River |
| Coordinates | 35.59400, -95.04400 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 197 ft |
| Dam Height | 197 ft |
| Dam Length | 4,940 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 1,230,800 acre-ft |
| Max Storage | 1,230,800 acre-ft |
| Normal Storage | 654,100 acre-ft |
| Surface Area | 12,900 acres |
| Drainage Area | 1,610 sq mi |
| Max Discharge | 290,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Tulsa District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 05/08/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OK10311 |
| Federal ID | OK10311S001 |
| More Info | State Dam Safety Program |