Grama Dam
Key Takeaway
Grama Dam is classified as high hazard in Oklahoma. It was completed in 1936 and is 90 years old. Its primary use is fish and wildlife pond. 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 | 43 ft (taller than 88.8% in OK) |
| Dam Length | 1,044 ft |
| Dam Type | Earth |
| Max Storage | 2.2K acre-ft |
| Normal Storage | 686 acre-ft |
| Surface Area | 68 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 4,760 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | OK02505 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Comanche Dam
Comanche, OK
High Hazard 39 ftKiowa Dam
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Low Hazard 23 ftCaddo Dam
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Low Hazard 28 ftFrench Lake Dam
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Low Hazard 30 ftPost Oak Dam
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Low Hazard 41 ftApache Dam
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Low Hazard 34 ftCooperton Dam
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Low Hazard 25 ftLost Lake Dam
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Grama Dam?
Grama 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 Grama Dam?
Grama Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grama Dam built?
Grama Dam was completed in 1936, making it 90 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 Grama Dam?
Grama Dam serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Grama Dam?
Grama Dam has a dam height of 43 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 Grama Dam last inspected?
Grama Dam was last inspected on June 15, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.