Gish Dam
Key Takeaway
Gish Dam is classified as low hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 23 ft (taller than 24% in OK) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 198 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 950 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OK11035 |
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
RALPH MANNING & BERNADINE THOMPSON
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Gish Dam?
Gish Dam 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 Gish Dam?
Gish Dam is owned by RALPH MANNING & BERNADINE THOMPSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gish Dam built?
Gish 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 Gish Dam?
Gish Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gish Dam?
Gish Dam has a dam height of 23 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 Gish Dam last inspected?
Gish Dam was last inspected on August 25, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.