Upton-Osage No. F.S. 9-498-33
Key Takeaway
Upton-Osage No. F.S. 9-498-33 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 | 24 ft (taller than 35.6% in WY) |
| Dam Length | 327 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 505 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | WY01940 |
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
USDA FOREST SERVICE
Federal Government
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Low Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Upton-Osage No. F.S. 9-498-33?
Upton-Osage No. F.S. 9-498-33 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 Upton-Osage No. F.S. 9-498-33?
Upton-Osage No. F.S. 9-498-33 is owned by USDA FOREST SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upton-Osage No. F.S. 9-498-33 built?
Upton-Osage No. F.S. 9-498-33 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 Upton-Osage No. F.S. 9-498-33?
Upton-Osage No. F.S. 9-498-33 serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upton-Osage No. F.S. 9-498-33?
Upton-Osage No. F.S. 9-498-33 has a dam height of 24 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 Upton-Osage No. F.S. 9-498-33 last inspected?
Upton-Osage No. F.S. 9-498-33 was last inspected on April 29, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.