Dump Draw
Key Takeaway
Dump Draw is classified as high hazard in Wyoming. It was completed in 2019 and is 7 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 42 ft (taller than 89.7% in WY) |
| Dam Length | 580 ft |
| Dam Type | Earth |
| Max Storage | 156 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 8,421 cfs |
| Year Completed | 2019 (7 years old) |
| NID ID | WY02603 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF BUFFALO
Private
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Low Hazard 53 ftFrequently Asked Questions
What is the hazard classification of Dump Draw?
Dump Draw is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Dump Draw?
Dump Draw is owned by CITY OF BUFFALO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dump Draw built?
Dump Draw was completed in 2019, making it 7 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 Dump Draw?
Dump Draw serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dump Draw?
Dump Draw has a dam height of 42 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.
When was Dump Draw last inspected?
Dump Draw was last inspected on April 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.