Enterprise
Key Takeaway
Enterprise is classified as high hazard in Wyoming. It was completed in 1940 and is 86 years old. Its primary use is irrigation. 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 | 27 ft (taller than 50.7% in WY) |
| Dam Length | 1,665 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 134 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 3,208 cfs |
| Year Completed | 1940 (86 years old) |
| Year Modified | 1972 |
| NID ID | WY01057 |
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
ENTERPRISE DITCH CO. (BOB THOMSEN)
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Enterprise?
Enterprise 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 Enterprise?
Enterprise is owned by ENTERPRISE DITCH CO. (BOB THOMSEN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Enterprise built?
Enterprise was completed in 1940, making it 86 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 Enterprise?
Enterprise serves the following purposes: Irrigation, 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 Enterprise?
Enterprise has a dam height of 27 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 Enterprise last inspected?
Enterprise was last inspected on July 21, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.