Black Mountain Detention Basin Dam
Key Takeaway
Black Mountain Detention Basin Dam is classified as high hazard in Nevada. It was completed in 2000 and is 26 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 73.6% in NV) |
| Dam Length | 1,262 ft |
| Dam Type | Earth |
| Max Storage | 395 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 21,900 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | NV10550 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF HENDERSON
Local Government
Nearby Dams
Pittman Horizon Ridge Detention Basin Dam
Clark, NV
High Hazard 44 ftMission Hills Detention Basin Dam
Clark, NV
High Hazard 26 ftGw-1 Pond Dam
Clark, NV
High Hazard 17 ftCapd 8 Dam
Clark, NV
Low Hazard 12 ftPioneer Detention Basin Dam
Clark, NV
High Hazard 41 ftEquestrian Detention Basin Dam
Clark, NV
High Hazard 23 ftPond Gw-11 Dam
Clark, NV
High Hazard 23 ftRiver Mountains Impoundment Dam
Clark, NV
High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Black Mountain Detention Basin Dam?
Black Mountain Detention Basin Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Black Mountain Detention Basin Dam?
Black Mountain Detention Basin Dam is owned by CITY OF HENDERSON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black Mountain Detention Basin Dam built?
Black Mountain Detention Basin Dam was completed in 2000, making it 26 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 Black Mountain Detention Basin Dam?
Black Mountain Detention Basin Dam 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 Black Mountain Detention Basin Dam?
Black Mountain Detention Basin Dam has a dam height of 40 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 Black Mountain Detention Basin Dam last inspected?
Black Mountain Detention Basin Dam was last inspected on February 27, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.