Nimrod Dam
Key Takeaway
Nimrod Dam is classified as high hazard in Arkansas. It was completed in 1942 and is 84 years old. Its primary use is flood risk reduction. 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 | 97 ft (taller than 97.4% in AR) |
| Dam Length | 1,012 ft |
| Dam Type | Concrete |
| Max Storage | 336.0K acre-ft |
| Normal Storage | 29.0K acre-ft |
| Surface Area | 3,550 acres |
| Drainage Area | 680 sq mi |
| Max Discharge | 49,000 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | AR00158 |
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
USACE - Little Rock District
Federal Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Nimrod Dam?
Nimrod 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 Nimrod Dam?
Nimrod Dam is owned by USACE - Little Rock District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nimrod Dam built?
Nimrod Dam was completed in 1942, making it 84 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 Nimrod Dam?
Nimrod Dam serves the following purposes: Flood Risk Reduction, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nimrod Dam?
Nimrod Dam has a dam height of 97 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 Nimrod Dam last inspected?
Nimrod Dam was last inspected on February 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.