South Fork Impoundment
Key Takeaway
South Fork Impoundment is classified as low hazard in South Dakota. It was completed in 1992 and is 34 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 16 ft (taller than 15.7% in SD) |
| Dam Length | 675 ft |
| Dam Type | Earth |
| Max Storage | 87 acre-ft |
| Normal Storage | 148 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1992 (34 years old) |
| NID ID | SD02222 |
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 24 ftFrequently Asked Questions
What is the hazard classification of South Fork Impoundment?
South Fork Impoundment 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 Fork Impoundment?
South Fork Impoundment is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Fork Impoundment built?
South Fork Impoundment was completed in 1992, making it 34 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 Fork Impoundment?
South Fork Impoundment serves the following purposes: Fish And Wildlife Pond, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Fork Impoundment?
South Fork Impoundment has a dam height of 16 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 Fork Impoundment last inspected?
South Fork Impoundment was last inspected on October 20, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.