Henry Siebrasse
Key Takeaway
Henry Siebrasse is classified as low hazard in South Dakota. It was completed in 1945 and is 81 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 13 ft (taller than 5.1% in SD) |
| Dam Length | 590 ft |
| Dam Type | Earth |
| Max Storage | 198 acre-ft |
| Normal Storage | 116 acre-ft |
| Max Discharge | 650 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | SD00952 |
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
William Hall
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Henry Siebrasse?
Henry Siebrasse 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 Henry Siebrasse?
Henry Siebrasse is owned by William Hall (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henry Siebrasse built?
Henry Siebrasse was completed in 1945, making it 81 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 Henry Siebrasse?
Henry Siebrasse serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Henry Siebrasse?
Henry Siebrasse has a dam height of 13 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.