Jenson Dam
Key Takeaway
Jenson Dam is classified as low hazard in South Dakota. It was completed in 1934 and is 92 years old. Its primary use is recreation.
Physical Details
| Dam Height | 29 ft (taller than 82.6% in SD) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 360 acre-ft |
| Max Discharge | 670 cfs |
| Year Completed | 1934 (92 years old) |
| NID ID | SD00918 |
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
M. JENSON
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Jenson Dam?
Jenson 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 Jenson Dam?
Jenson Dam is owned by M. JENSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jenson Dam built?
Jenson Dam was completed in 1934, making it 92 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 Jenson Dam?
Jenson Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jenson Dam?
Jenson Dam has a dam height of 29 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.