Regal Lake
Key Takeaway
Regal Lake is classified as high hazard in Oklahoma. It was completed in 1920 and is 106 years old. Its primary use is recreation. 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 | 16 ft (taller than 4.5% in OK) |
| Dam Length | 424 ft |
| Dam Type | Earth |
| Max Storage | 81 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,320 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | OK02418 |
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
REGAL LAKE HOA
Private
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High Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Regal Lake?
Regal 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 Regal Lake?
Regal Lake is owned by REGAL LAKE HOA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Regal Lake built?
Regal Lake was completed in 1920, making it 106 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 Regal Lake?
Regal Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Regal Lake?
Regal Lake has a dam height of 16 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 Regal Lake last inspected?
Regal Lake was last inspected on December 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.