Willwood Diversion
Key Takeaway
Willwood Diversion is classified as low hazard in Wyoming. It was completed in 1923 and is 103 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 10 ft (taller than 3.3% in WY) |
| Dam Length | 476 ft |
| Dam Type | Concrete |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Drainage Area | 1,950 sq mi |
| Year Completed | 1923 (103 years old) |
| NID ID | WY01382 |
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
RECLAMATION
Federal Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Willwood Diversion?
Willwood Diversion 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 Willwood Diversion?
Willwood Diversion is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willwood Diversion built?
Willwood Diversion was completed in 1923, making it 103 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 Willwood Diversion?
Willwood Diversion serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Willwood Diversion?
Willwood Diversion has a dam height of 10 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.