Mary Lake Dam
Key Takeaway
Mary Lake Dam is classified as low hazard in Arkansas. It was completed in 1995 and is 31 years old. Its primary use is recreation.
Physical Details
| Dam Height | 32 ft (taller than 64.1% in AR) |
| Dam Length | 415 ft |
| Dam Type | Earth |
| Max Storage | 269 acre-ft |
| Normal Storage | 213 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 650 cfs |
| Year Completed | 1995 (31 years old) |
| NID ID | AR01524 |
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
NEW ENTITY CORPORATION
Private
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High Hazard 49 ftFrequently Asked Questions
What is the hazard classification of Mary Lake Dam?
Mary Lake 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 Mary Lake Dam?
Mary Lake Dam is owned by NEW ENTITY CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mary Lake Dam built?
Mary Lake Dam was completed in 1995, making it 31 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 Mary Lake Dam?
Mary Lake 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 Mary Lake Dam?
Mary Lake Dam has a dam height of 32 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 Mary Lake Dam last inspected?
Mary Lake Dam was last inspected on November 17, 2006. Inspection dates indicate when a formal review occurred, not the results of that inspection.