Henry No. 1 Stock
Key Takeaway
Henry No. 1 Stock is classified as low hazard in Wyoming. It was completed in 1967 and is 59 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 28 ft (taller than 55% in WY) |
| Dam Length | 560 ft |
| Dam Type | Earth |
| Max Storage | 131 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | WY00554 |
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
POWDER RIVER LIVESTOCK CO.
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Henry No. 1 Stock?
Henry No. 1 Stock 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 Henry No. 1 Stock?
Henry No. 1 Stock is owned by POWDER RIVER LIVESTOCK CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henry No. 1 Stock built?
Henry No. 1 Stock was completed in 1967, making it 59 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 Henry No. 1 Stock?
Henry No. 1 Stock serves the following purposes: 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 Henry No. 1 Stock?
Henry No. 1 Stock has a dam height of 28 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 Henry No. 1 Stock last inspected?
Henry No. 1 Stock was last inspected on July 13, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.