Woolhizer Dam
Key Takeaway
Woolhizer Dam is classified as low hazard in South Dakota. It was completed in 1935 and is 91 years old. Its primary use is recreation.
Physical Details
| Dam Height | 30 ft (taller than 85.2% in SD) |
| Dam Length | 520 ft |
| Dam Type | Earth |
| Max Storage | 450 acre-ft |
| Normal Storage | 160 acre-ft |
| Max Discharge | 1,386 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | SD00556 |
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
CLIFFORD PAULSON
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Woolhizer Dam?
Woolhizer 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 Woolhizer Dam?
Woolhizer Dam is owned by CLIFFORD PAULSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Woolhizer Dam built?
Woolhizer Dam was completed in 1935, making it 91 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 Woolhizer Dam?
Woolhizer Dam serves the following purposes: Recreation, 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 Woolhizer Dam?
Woolhizer Dam has a dam height of 30 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.