Lacy
Key Takeaway
Lacy 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 | 27 ft (taller than 43% in OK) |
| Dam Length | 1,800 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | OK11016 |
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
SULPHUR-DAVIS ELKS LODGE #2079
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Lacy?
Lacy 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 Lacy?
Lacy is owned by SULPHUR-DAVIS ELKS LODGE #2079 (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lacy built?
Lacy 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 Lacy?
Lacy 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 Lacy?
Lacy has a dam height of 27 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 Lacy last inspected?
Lacy was last inspected on December 5, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.