Angel Park South Detention Basin Dam

LAS VEGAS WASH-TR· Clark, Nevada· Built 1982· Earth· 13 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Angel Park South Detention Basin Dam is classified as high hazard in Nevada. It was completed in 1982 and is 44 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 13 ft (taller than 21.5% in NV)
Dam Length2,934 ft
Dam TypeEarth
Max Storage600 acre-ft
Normal Storage0 acre-ft
Surface Area24 acres
Drainage Area6 sq mi
Max Discharge17,600 cfs
Year Completed1982 (44 years old)
NID IDNV10419

Safety Information

High Hazard

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?

Emergency Action Plan: Yes
Last Inspection: April 12, 2022
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

CITY OF LAS VEGAS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Angel Park South Detention Basin Dam?

Angel Park South 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 Angel Park South Detention Basin Dam?

Angel Park South Detention Basin Dam is owned by CITY OF LAS VEGAS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Angel Park South Detention Basin Dam built?

Angel Park South Detention Basin Dam was completed in 1982, making it 44 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 Angel Park South Detention Basin Dam?

Angel Park South 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 Angel Park South Detention Basin Dam?

Angel Park South Detention Basin Dam has a dam height of 13 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 Angel Park South Detention Basin Dam last inspected?

Angel Park South Detention Basin Dam was last inspected on April 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.