Dante Lake Dam
Key Takeaway
Dante Lake Dam is classified as low hazard in South Dakota. It was completed in 1938 and is 88 years old. Its primary use is recreation.
Physical Details
| Dam Height | 30 ft (taller than 85.2% in SD) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 483 acre-ft |
| Normal Storage | 206 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,525 cfs |
| Year Completed | 1938 (88 years old) |
| Year Modified | 2000 |
| NID ID | SD00902 |
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
S&PL
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dante Lake Dam?
Dante 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 Dante Lake Dam?
Dante Lake Dam is owned by S&PL (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dante Lake Dam built?
Dante Lake Dam was completed in 1938, making it 88 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 Dante Lake Dam?
Dante 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 Dante Lake Dam?
Dante Lake Dam has a dam height of 30 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 Dante Lake Dam last inspected?
Dante Lake Dam was last inspected on October 3, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.