South Lake Dam
Key Takeaway
South Lake Dam is classified as significant hazard in Oklahoma. It was completed in 2005 and is 21 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 4.5% in OK) |
| Dam Length | 430 ft |
| Dam Type | Earth |
| Max Storage | 113 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 337 sq mi |
| Max Discharge | 777 cfs |
| Year Completed | 2005 (21 years old) |
| NID ID | OK30164 |
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
SUMMIT LAKE LLC
Private
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What is the hazard classification of South Lake Dam?
South 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 South Lake Dam?
South Lake Dam is owned by SUMMIT LAKE LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Lake Dam built?
South Lake Dam was completed in 2005, making it 21 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 South Lake Dam?
South 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 South Lake Dam?
South Lake Dam has a dam height of 16 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 South Lake Dam last inspected?
South Lake Dam was last inspected on February 1, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.