South Whitewater 251 (Nid)
Key Takeaway
South Whitewater 251 (Nid) is classified as low hazard in South Dakota. It was completed in 1936 and is 90 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 17 ft (taller than 20.2% in SD) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 66 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 248 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | SD01126 |
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
USDA FS
Federal Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of South Whitewater 251 (Nid)?
South Whitewater 251 (Nid) 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 South Whitewater 251 (Nid)?
South Whitewater 251 (Nid) is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Whitewater 251 (Nid) built?
South Whitewater 251 (Nid) was completed in 1936, making it 90 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 Whitewater 251 (Nid)?
South Whitewater 251 (Nid) serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Whitewater 251 (Nid)?
South Whitewater 251 (Nid) has a dam height of 17 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 South Whitewater 251 (Nid) last inspected?
South Whitewater 251 (Nid) was last inspected on August 4, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.