Westgate Detention Dam

AMOLE ARROYO· Bernalillo, New Mexico· Built 1976· Earth· 48 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Westgate Detention Dam is classified as high hazard in New Mexico. It was completed in 1976 and is 50 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 48 ft (taller than 69.9% in NM)
Dam Length2,095 ft
Dam TypeEarth
Max Storage920 acre-ft
Normal Storage0 acre-ft
Surface Area50 acres
Drainage Area18 sq mi
Max Discharge46,360 cfs
Year Completed1976 (50 years old)
Year Modified1999
NID IDNM00407

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: No
Last Inspection: June 25, 2019
State Regulated: Yes
Regulatory Agency: OFFICE OF THE STATE ENGINEER

Ownership

ALBUQUERQUE METRO ARROYO FLOOD CONTROL AUTHORITY

Local Government

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Frequently Asked Questions

What is the hazard classification of Westgate Detention Dam?

Westgate Detention 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 Westgate Detention Dam?

Westgate Detention Dam is owned by ALBUQUERQUE METRO ARROYO FLOOD CONTROL AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Westgate Detention Dam built?

Westgate Detention Dam was completed in 1976, making it 50 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 Westgate Detention Dam?

Westgate Detention 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 Westgate Detention Dam?

Westgate Detention Dam has a dam height of 48 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 Westgate Detention Dam last inspected?

Westgate Detention Dam was last inspected on June 25, 2019. 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.