Silbernagel Dam
Key Takeaway
Silbernagel Dam is classified as low hazard in South Dakota. It was completed in 2000 and is 26 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 62 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 6 acres |
| Max Discharge | 810 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | SD02483 |
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
JAMES SILBERNAGEL
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Silbernagel Dam?
Silbernagel 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 Silbernagel Dam?
Silbernagel Dam is owned by JAMES SILBERNAGEL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silbernagel Dam built?
Silbernagel Dam was completed in 2000, making it 26 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 Silbernagel Dam?
Silbernagel Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Silbernagel Dam?
Silbernagel Dam has a dam height of 20 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 Silbernagel Dam last inspected?
Silbernagel Dam was last inspected on August 29, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.