Wanblee Lake Dam
Key Takeaway
Wanblee Lake Dam is classified as significant hazard in South Dakota. It was completed in 1935 and is 91 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 20.2% in SD) |
| Dam Length | 610 ft |
| Dam Type | Earth |
| Max Storage | 160 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 3,312 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | SD02128 |
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
JOE KUKAL
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Wanblee Lake Dam?
Wanblee 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 Wanblee Lake Dam?
Wanblee Lake Dam is owned by JOE KUKAL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wanblee Lake Dam built?
Wanblee Lake Dam was completed in 1935, making it 91 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 Wanblee Lake Dam?
Wanblee Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wanblee Lake Dam?
Wanblee Lake Dam has a dam height of 17 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 Wanblee Lake Dam last inspected?
Wanblee Lake Dam was last inspected on September 20, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.