Padlock No. 1 A Five Mile
Key Takeaway
Padlock No. 1 A Five Mile is classified as high hazard in Wyoming. It was completed in 1961 and is 65 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 | 36 ft (taller than 81.6% in WY) |
| Dam Length | 1,228 ft |
| Dam Type | Earth |
| Max Storage | 960 acre-ft |
| Normal Storage | 536 acre-ft |
| Surface Area | 59 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 8,561 cfs |
| Year Completed | 1961 (65 years old) |
| Year Modified | 1983 |
| NID ID | WY00659 |
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
PADLOCK RANCH COMPANY, INC
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Padlock No. 1 A Five Mile?
Padlock No. 1 A Five Mile 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 Padlock No. 1 A Five Mile?
Padlock No. 1 A Five Mile is owned by PADLOCK RANCH COMPANY, INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Padlock No. 1 A Five Mile built?
Padlock No. 1 A Five Mile was completed in 1961, making it 65 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 Padlock No. 1 A Five Mile?
Padlock No. 1 A Five Mile 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 Padlock No. 1 A Five Mile?
Padlock No. 1 A Five Mile has a dam height of 36 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 Padlock No. 1 A Five Mile last inspected?
Padlock No. 1 A Five Mile was last inspected on June 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.