Lake Atalanta Dam
Key Takeaway
Lake Atalanta Dam is classified as high hazard in Arkansas. It was completed in 1936 and is 90 years old. Its primary use is recreation. 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 77.5% in AR) |
| Dam Length | 910 ft |
| Dam Type | Rockfill |
| Max Storage | 800 acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,905 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | AR00258 |
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
CITY OF ROGERS
Local Government
Nearby Dams
Mountain Brook Dam
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Low Hazard 51 ftWetmore Lake Dam
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Low Hazard 21 ftLake Keith Dam
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High Hazard 17 ftBella Vista Lake Dam
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Significant Hazard 14 ftLake Brittany Dam
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Significant Hazard 85 ftLake Elmdale Dam
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High Hazard 46 ftRayburn Dam
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Significant Hazard 88 ftLake Ann Dam
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High Hazard 64 ftFrequently Asked Questions
What is the hazard classification of Lake Atalanta Dam?
Lake Atalanta 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 Lake Atalanta Dam?
Lake Atalanta Dam is owned by CITY OF ROGERS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Atalanta Dam built?
Lake Atalanta 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 Lake Atalanta Dam?
Lake Atalanta Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Atalanta Dam?
Lake Atalanta 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 Lake Atalanta Dam last inspected?
Lake Atalanta Dam was last inspected on April 5, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.