Unknown
Key Takeaway
Unknown is classified as low hazard in Oklahoma. It was completed in 1940 and is 86 years old. Its primary use is other.
Physical Details
| Dam Height | 38 ft (taller than 80.3% in OK) |
| Dam Length | 120 ft |
| Dam Type | Earth |
| Max Storage | 340 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 4 acres |
| Year Completed | 1940 (86 years old) |
| NID ID | OK12976 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
FREEMAN RANCH OF OSAGE COUNTY LLC
Private
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Unknown?
Unknown is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Unknown?
Unknown is owned by FREEMAN RANCH OF OSAGE COUNTY LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Unknown built?
Unknown was completed in 1940, making it 86 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 Unknown?
Unknown serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Unknown?
Unknown 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 Unknown last inspected?
Unknown was last inspected on January 1, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.