Jacobi Dam
Key Takeaway
Jacobi Dam is classified as low hazard in South Dakota. It was completed in 1951 and is 75 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 22 ft (taller than 45.6% in SD) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 158 acre-ft |
| Normal Storage | 130 acre-ft |
| Max Discharge | 3,150 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | SD01206 |
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
LESTER HAFNER
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Jacobi Dam?
Jacobi 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 Jacobi Dam?
Jacobi Dam is owned by LESTER HAFNER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jacobi Dam built?
Jacobi Dam was completed in 1951, making it 75 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 Jacobi Dam?
Jacobi Dam serves the following purposes: 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 Jacobi Dam?
Jacobi Dam has a dam height of 22 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.