Sahoma Lake
Key Takeaway
Sahoma Lake is classified as high hazard in Oklahoma. It was completed in 1947 and is 79 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 | 45 ft (taller than 90.3% in OK) |
| Dam Length | 1,320 ft |
| Dam Type | Earth |
| Max Storage | 5.3K acre-ft |
| Normal Storage | 4.9K acre-ft |
| Surface Area | 344 acres |
| Drainage Area | 37 sq mi |
| Max Discharge | 52,900 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | OK00566 |
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 SAPULPA
Local Government
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What is the hazard classification of Sahoma Lake?
Sahoma Lake 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 Sahoma Lake?
Sahoma Lake is owned by CITY OF SAPULPA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sahoma Lake built?
Sahoma Lake was completed in 1947, making it 79 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 Sahoma Lake?
Sahoma Lake 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 Sahoma Lake?
Sahoma Lake has a dam height of 45 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 Sahoma Lake last inspected?
Sahoma Lake was last inspected on October 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.