Darrell Nelson Dam
Key Takeaway
Darrell Nelson Dam is classified as low hazard in South Dakota. It was completed in 2015 and is 11 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 32 ft (taller than 90.4% in SD) |
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 101 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 987 cfs |
| Year Completed | 2015 (11 years old) |
| NID ID | SD02652 |
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
Darrell Nelson
Private
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Darrell Nelson Dam?
Darrell Nelson Dam 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 Darrell Nelson Dam?
Darrell Nelson Dam is owned by Darrell Nelson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Darrell Nelson Dam built?
Darrell Nelson Dam was completed in 2015, making it 11 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 Darrell Nelson Dam?
Darrell Nelson Dam serves the following purposes: 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 Darrell Nelson Dam?
Darrell Nelson Dam has a dam height of 32 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.