Wewoka
Key Takeaway
Wewoka is classified as high hazard in Oklahoma. It was completed in 1925 and is 101 years old. Its primary use is water supply. 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 | 38 ft (taller than 80.3% in OK) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 9.1K acre-ft |
| Normal Storage | 3.3K acre-ft |
| Surface Area | 371 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 35,000 cfs |
| Year Completed | 1925 (101 years old) |
| NID ID | OK10487 |
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
CITY OF WEWOKA
Local Government
Nearby Dams
SCS-Big Wewoka Creek Site-22
Seminole, OK
Low Hazard 80 ftSCS-Big Wewoka Creek Site-27
Seminole, OK
Low Hazard 25 ftSCS-Big Wewoka Creek Site-18
Seminole, OK
Low Hazard 28 ftOknoname 133001
Seminole, OK
Low Hazard 35 ftSCS-Big Wewoka Creek Site-19
Seminole, OK
Low Hazard 31 ftSCS-Big Wewoka Creek Site-25
Seminole, OK
Low Hazard 30 ftSCS-Big Wewoka Creek Site-17
Seminole, OK
Low Hazard 26 ftSCS-Big Wewoka Creek Site-21
Seminole, OK
Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Wewoka?
Wewoka 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 Wewoka?
Wewoka is owned by CITY OF WEWOKA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wewoka built?
Wewoka was completed in 1925, making it 101 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 Wewoka?
Wewoka serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wewoka?
Wewoka has a dam height of 38 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 Wewoka last inspected?
Wewoka was last inspected on December 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.