Henderson Drain Detention
Key Takeaway
Henderson Drain Detention is classified as low hazard in Wyoming. It was completed in 1987 and is 39 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 10 ft (taller than 3.3% in WY) |
| Dam Length | 1,250 ft |
| Dam Type | Earth |
| Max Storage | 126 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 171 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | WY01688 |
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
CITY OF CHEYENNE
State Government
Nearby Dams
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Significant Hazard 25 ftWyoming Hereford Ranch No. 2
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Significant Hazard 31 ftClear Creek
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Henderson Drain Detention?
Henderson Drain Detention 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 Henderson Drain Detention?
Henderson Drain Detention is owned by CITY OF CHEYENNE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henderson Drain Detention built?
Henderson Drain Detention was completed in 1987, making it 39 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 Henderson Drain Detention?
Henderson Drain Detention serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Henderson Drain Detention?
Henderson Drain Detention has a dam height of 10 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 Henderson Drain Detention last inspected?
Henderson Drain Detention was last inspected on April 13, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.