Oscar-Orwick
Key Takeaway
Oscar-Orwick is classified as low hazard in South Dakota. It was completed in 1958 and is 68 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 70 acre-ft |
| Normal Storage | 49 acre-ft |
| Max Discharge | 500 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | SD01729 |
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
OSCAR-ORWICK
Private
Nearby Dams
Christ Orwick
Perkins, SD
Low Hazard 23 ftMiller Dam
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Low Hazard 19 ftFrank-Ruby
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Low Hazard 25 ftWalt Crawford
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Low Hazard 24 ftEarl Pullins
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Low Hazard 25 ftChrist Orwick
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Low Hazard 18 ftMcluin Seymour
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Low Hazard 12 ftRose Karnen
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Oscar-Orwick?
Oscar-Orwick 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 Oscar-Orwick?
Oscar-Orwick is owned by OSCAR-ORWICK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Oscar-Orwick built?
Oscar-Orwick was completed in 1958, making it 68 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 Oscar-Orwick?
Oscar-Orwick 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 Oscar-Orwick?
Oscar-Orwick 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.