Lake Isabella Dam
Key Takeaway
Lake Isabella Dam is classified as significant hazard in Arkansas. It was completed in 1999 and is 27 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 68.6% in AR) |
| Dam Length | 1,336 ft |
| Dam Type | Earth |
| Normal Storage | 152 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1999 (27 years old) |
| NID ID | AR01535 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HOT SPRINGS VILLAGE PROPERTY OWNERS ASSOCIATION
Private
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Low Hazard 130 ftFrequently Asked Questions
What is the hazard classification of Lake Isabella Dam?
Lake Isabella Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Isabella Dam?
Lake Isabella Dam is owned by HOT SPRINGS VILLAGE PROPERTY OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Isabella Dam built?
Lake Isabella Dam was completed in 1999, making it 27 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Lake Isabella Dam?
Lake Isabella Dam has a dam height of 35 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 Isabella Dam last inspected?
Lake Isabella Dam was last inspected on May 27, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.