Upper Cottonwood
Key Takeaway
Upper Cottonwood is classified as low hazard in Wyoming. It was completed in 1973 and is 53 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 12 ft (taller than 6.2% in WY) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 194 acre-ft |
| Normal Storage | 194 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 20,000 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | WY01301 |
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 Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Upper Cottonwood?
Upper Cottonwood 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 Upper Cottonwood?
Upper Cottonwood is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Cottonwood built?
Upper Cottonwood was completed in 1973, making it 53 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 Upper Cottonwood?
Upper Cottonwood serves the following purposes: Fish And Wildlife Pond, 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 Upper Cottonwood?
Upper Cottonwood has a dam height of 12 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.