Garrison Creek Dam
Key Takeaway
Garrison Creek Dam is classified as high hazard in Oklahoma. It was completed in 2003 and is 23 years old. Its primary use is water supply. 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 | 66 ft (taller than 98.3% in OK) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 1.2K acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 3,020 sq mi |
| Year Completed | 2003 (23 years old) |
| NID ID | OK30063 |
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
ROLAND UTILITY AUTHORITY
Local Government
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Garrison Creek Dam?
Garrison Creek 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 Garrison Creek Dam?
Garrison Creek Dam is owned by ROLAND UTILITY AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Garrison Creek Dam built?
Garrison Creek Dam was completed in 2003, making it 23 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 Garrison Creek Dam?
Garrison Creek Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Garrison Creek Dam?
Garrison Creek Dam has a dam height of 66 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 Garrison Creek Dam last inspected?
Garrison Creek Dam was last inspected on November 3, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.