Narrows Dam
Key Takeaway
Narrows Dam is classified as high hazard in Arkansas. It was completed in 1950 and is 76 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 | 183 ft (taller than 99.2% in AR) |
| Dam Length | 940 ft |
| Dam Type | Gravity |
| Max Storage | 600.6K acre-ft |
| Normal Storage | 279.7K acre-ft |
| Surface Area | 7,200 acres |
| Drainage Area | 237 sq mi |
| Max Discharge | 42,300 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | AR00154 |
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 - Vicksburg District
Federal Government
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Significant Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Narrows Dam?
Narrows 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 Narrows Dam?
Narrows Dam is owned by USACE - Vicksburg District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Narrows Dam built?
Narrows Dam was completed in 1950, making it 76 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 Narrows Dam?
Narrows Dam serves the following purposes: Flood Risk Reduction, Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Narrows Dam?
Narrows Dam has a dam height of 183 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 Narrows Dam last inspected?
Narrows Dam was last inspected on July 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.