Sonnenschein Number 2
Key Takeaway
Sonnenschein Number 2 is classified as significant hazard in South Dakota. It was completed in 1963 and is 63 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 42 ft (taller than 97.3% in SD) |
| Dam Length | 480 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 16 acre-ft |
| Max Discharge | 806 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | SD00255 |
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
E. SONNENSCHEIN
Private
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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Sonnenschein Number 2?
Sonnenschein Number 2 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 Sonnenschein Number 2?
Sonnenschein Number 2 is owned by E. SONNENSCHEIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sonnenschein Number 2 built?
Sonnenschein Number 2 was completed in 1963, making it 63 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 Sonnenschein Number 2?
Sonnenschein Number 2 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 Sonnenschein Number 2?
Sonnenschein Number 2 has a dam height of 42 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.