Dry Draw Dam
Key Takeaway
Dry Draw Dam is classified as significant hazard in South Dakota. It was completed in 1920 and is 106 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 24.1% in SD) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 288 acre-ft |
| Normal Storage | 240 acre-ft |
| Max Discharge | 780 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | SD01045 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USDA FS
Federal Government
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Dry Draw Dam?
Dry Draw Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Dry Draw Dam?
Dry Draw Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dry Draw Dam built?
Dry Draw Dam was completed in 1920, making it 106 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 Dry Draw Dam?
Dry Draw Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dry Draw Dam?
Dry Draw Dam has a dam height of 18 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.