Olson Number 2
Key Takeaway
Olson Number 2 is classified as low hazard in South Dakota. It was completed in 1954 and is 72 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 308 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 47 acre-ft |
| Max Discharge | 420 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | SD01657 |
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
FRED OLSON
Private
Nearby Dams
Olson Number 1
Jones, SD
Low Hazard 28 ftCressy Number 3
Jones, SD
Low Hazard 20 ftFho Ranch No.1
Jones, SD
Low Hazard 25 ftCressy Number 2
Jones, SD
Low Hazard 27 ftBoyd #1
Jones, SD
Low Hazard 27 ftHerman Number 20
Jones, SD
Low Hazard 28 ftCressy Number 1
Jones, SD
Low Hazard 21 ftOlson #4
Jones, SD
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Olson Number 2?
Olson Number 2 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 Olson Number 2?
Olson Number 2 is owned by FRED OLSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Olson Number 2 built?
Olson Number 2 was completed in 1954, making it 72 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 Olson Number 2?
Olson Number 2 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Olson Number 2?
Olson Number 2 has a dam height of 27 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.