Tannahill Winnie G.
Key Takeaway
Tannahill Winnie G. is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old. Its primary use is other.
Physical Details
| Dam Height | 28 ft (taller than 47.3% in OK) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 790 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OK12260 |
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
MCALLISTER RANCH LLC
Private
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What is the hazard classification of Tannahill Winnie G.?
Tannahill Winnie G. 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 Tannahill Winnie G.?
Tannahill Winnie G. is owned by MCALLISTER RANCH LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tannahill Winnie G. built?
Tannahill Winnie G. was completed in 1960, making it 66 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 Tannahill Winnie G.?
Tannahill Winnie G. 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 Tannahill Winnie G.?
Tannahill Winnie G. has a dam height of 28 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 Tannahill Winnie G. last inspected?
Tannahill Winnie G. was last inspected on August 12, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.