Steffen Dam
Key Takeaway
Steffen Dam is classified as low hazard in South Dakota. It was completed in 2007 and is 19 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 24 ft (taller than 53.3% in SD) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 103 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 675 cfs |
| Year Completed | 2007 (19 years old) |
| NID ID | SD02569 |
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
DAVID STEFFEN
Private
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Steffen Dam?
Steffen 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 Steffen Dam?
Steffen Dam is owned by DAVID STEFFEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Steffen Dam built?
Steffen Dam was completed in 2007, making it 19 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 Steffen Dam?
Steffen Dam serves the following purposes: Fish And Wildlife Pond, 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 Steffen Dam?
Steffen Dam has a dam height of 24 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.