Summerlin Detention Basin #5 Dam
Key Takeaway
Summerlin Detention Basin #5 Dam is classified as high hazard in Nevada. It was completed in 2002 and is 24 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 | 37 ft (taller than 70.6% in NV) |
| Dam Length | 2,880 ft |
| Dam Type | Earth |
| Max Storage | 384 acre-ft |
| Normal Storage | 485 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 18,120 cfs |
| Year Completed | 2002 (24 years old) |
| NID ID | NV10499 |
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
HOWARD HUGHES CORPORATION
Private
Nearby Dams
Grand Park Detention Basin Dam
Clark, NV
High Hazard 20 ftRed Rock Detention Dam
Clark, NV
High Hazard 63 ftR-4 Detention Dam
Clark, NV
High Hazard 38 ftF-1 Dam Detention Basin
Clark, NV
High Hazard 26 ftLone Mountain Detention Basin Dam
Clark, NV
High Hazard 42 ftLone Mountain-Beltway Detention Basin Dam
Clark, NV
High Hazard 39 ftAngel Park North Detention Basin Dam
Clark, NV
High Hazard 55 ftAngel Park South Detention Basin Dam
Clark, NV
High Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Summerlin Detention Basin #5 Dam?
Summerlin Detention Basin #5 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 Summerlin Detention Basin #5 Dam?
Summerlin Detention Basin #5 Dam is owned by HOWARD HUGHES CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Summerlin Detention Basin #5 Dam built?
Summerlin Detention Basin #5 Dam was completed in 2002, making it 24 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 Summerlin Detention Basin #5 Dam?
Summerlin Detention Basin #5 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 Summerlin Detention Basin #5 Dam?
Summerlin Detention Basin #5 Dam has a dam height of 37 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 Summerlin Detention Basin #5 Dam last inspected?
Summerlin Detention Basin #5 Dam was last inspected on February 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.