South Okreek
Key Takeaway
South Okreek is classified as high hazard in South Dakota. It was completed in 1935 and is 91 years old. Its primary use is fish and wildlife pond. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 327 ft |
| Dam Type | Earth |
| Normal Storage | 66 acre-ft |
| Year Completed | 1935 (91 years old) |
| NID ID | SD02560 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
BIA
Federal Government
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What is the hazard classification of South Okreek?
South Okreek is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates South Okreek?
South Okreek is owned by BIA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Okreek built?
South Okreek was completed in 1935, making it 91 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 South Okreek?
South Okreek serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.