Whisler Number 1
Key Takeaway
Whisler Number 1 is classified as low hazard in South Dakota. It was completed in 1953 and is 73 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 774 ft |
| Dam Type | Earth |
| Max Storage | 81 acre-ft |
| Normal Storage | 58 acre-ft |
| Max Discharge | 2,646 cfs |
| Year Completed | 1953 (73 years old) |
| NID ID | SD00484 |
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
EARL WHISLER
Private
Nearby Dams
Cressy Number 1
Jones, SD
Low Hazard 21 ftIversen Number 1
Jones, SD
Low Hazard 25 ftHerman #8
Jones, SD
Low Hazard 29 ftIversen Dam
Jones, SD
Low Hazard 5 ftHerman #7
Jones, SD
Low Hazard 49 ftIversen Number 4
Jones, SD
Low Hazard 30 ftHerman #9
Jones, SD
Low Hazard 32 ftCressy Number 2
Jones, SD
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Whisler Number 1?
Whisler Number 1 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 Whisler Number 1?
Whisler Number 1 is owned by EARL WHISLER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Whisler Number 1 built?
Whisler Number 1 was completed in 1953, making it 73 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 Whisler Number 1?
Whisler Number 1 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 Whisler Number 1?
Whisler Number 1 has a dam height of 20 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.