Hanchett
Key Takeaway
Hanchett is classified as low hazard in Wyoming. It was completed in 1990 and is 36 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 29 ft (taller than 59.6% in WY) |
| Dam Length | 475 ft |
| Dam Type | Earth |
| Max Storage | 102 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 94 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 5,682 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | WY01986 |
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
GUIDE ROCK, LTD
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Hanchett?
Hanchett 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 Hanchett?
Hanchett is owned by GUIDE ROCK, LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hanchett built?
Hanchett was completed in 1990, making it 36 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 Hanchett?
Hanchett serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, 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 Hanchett?
Hanchett 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 Hanchett last inspected?
Hanchett was last inspected on June 15, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.