Ozark Water Supply Lake Dam
Key Takeaway
Ozark Water Supply Lake Dam is classified as significant hazard in Arkansas. It was completed in 1971 and is 55 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 85 ft (taller than 95.1% in AR) |
| Dam Length | 2,370 ft |
| Dam Type | Earth |
| Max Storage | 16.7K acre-ft |
| Normal Storage | 12.0K acre-ft |
| Surface Area | 456 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 16,950 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | AR00562 |
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
OZARK WATER DEPARTMENT
Local Government
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What is the hazard classification of Ozark Water Supply Lake Dam?
Ozark Water Supply Lake 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 Ozark Water Supply Lake Dam?
Ozark Water Supply Lake Dam is owned by OZARK WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ozark Water Supply Lake Dam built?
Ozark Water Supply Lake Dam was completed in 1971, making it 55 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 Ozark Water Supply Lake Dam?
Ozark Water Supply Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ozark Water Supply Lake Dam?
Ozark Water Supply Lake Dam has a dam height of 85 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 Ozark Water Supply Lake Dam last inspected?
Ozark Water Supply Lake Dam was last inspected on July 3, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.