Orchard Lake Dam
Key Takeaway
Orchard Lake Dam is classified as high hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is irrigation. 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 | 35 ft (taller than 72.5% in OK) |
| Dam Length | 2,830 ft |
| Dam Type | Earth |
| Max Storage | 695 acre-ft |
| Normal Storage | 225 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,120 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OK11040 |
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
JOHN AND SHIRLEY AUFFET
Private
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Low Hazard 57 ftFrequently Asked Questions
What is the hazard classification of Orchard Lake Dam?
Orchard Lake Dam 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 Orchard Lake Dam?
Orchard Lake Dam is owned by JOHN AND SHIRLEY AUFFET (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Orchard Lake Dam built?
Orchard Lake Dam was completed in 1970, making it 56 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 Orchard Lake Dam?
Orchard Lake Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Orchard Lake Dam?
Orchard Lake Dam has a dam height of 35 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 Orchard Lake Dam last inspected?
Orchard Lake Dam was last inspected on March 31, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.