Rachou
Key Takeaway
Rachou is classified as low hazard in Wyoming. It was completed in 1940 and is 86 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 22 ft (taller than 28.8% in WY) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 19 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 700 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | WY01816 |
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
WIND RIVER INDIAN RES. (W. MESGHINNA)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rachou?
Rachou 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 Rachou?
Rachou is owned by WIND RIVER INDIAN RES. (W. MESGHINNA) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rachou built?
Rachou 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 Rachou?
Rachou serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rachou?
Rachou has a dam height of 22 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 Rachou last inspected?
Rachou was last inspected on June 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.