Mary Stock
Key Takeaway
Mary Stock is classified as low hazard in Wyoming. It was completed in 1964 and is 62 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 29 ft (taller than 59.6% in WY) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | WY01026 |
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
RYAN LAND & LIVESTOCK
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Mary Stock?
Mary 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 Mary Stock?
Mary Stock is owned by RYAN LAND & LIVESTOCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mary Stock built?
Mary Stock was completed in 1964, making it 62 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 Mary Stock?
Mary 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 Mary Stock?
Mary Stock has a dam height of 29 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 Mary Stock last inspected?
Mary Stock was last inspected on July 16, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.