Lake Bennett Dam
Key Takeaway
Lake Bennett Dam is classified as low hazard in Arkansas. It was completed in 1940 and is 86 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 41 ft (taller than 75.9% in AR) |
| Dam Length | 300 ft |
| Dam Type | Rockfill |
| Max Storage | 486 acre-ft |
| Normal Storage | 320 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,803 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | AR00038 |
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
ARKANSAS PARKS AND TOURISM
State Government
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Significant Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Lake Bennett Dam?
Lake Bennett 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 Lake Bennett Dam?
Lake Bennett Dam is owned by ARKANSAS PARKS AND TOURISM (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Bennett Dam built?
Lake Bennett Dam was completed in 1940, making it 86 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 Lake Bennett Dam?
Lake Bennett Dam serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Bennett Dam?
Lake Bennett Dam has a dam height of 41 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 Lake Bennett Dam last inspected?
Lake Bennett Dam was last inspected on January 22, 2007. Inspection dates indicate when a formal review occurred, not the results of that inspection.