Arroyo Del Oso Detention Dam

SOUTH FORK BEAR CANYON ARROYO· Bernalillo, New Mexico· Built 1956· Earth· 38 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Arroyo Del Oso Detention Dam is classified as high hazard in New Mexico. It was completed in 1956 and is 70 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 38 ft (taller than 60.7% in NM)
Dam Length3,061 ft
Dam TypeEarth
Max Storage840 acre-ft
Normal Storage0 acre-ft
Surface Area32 acres
Drainage Area15 sq mi
Max Discharge36,500 cfs
Year Completed1956 (70 years old)
Year Modified1981
NID IDNM00314

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: August 31, 2020
State Regulated: Yes
Regulatory Agency: OFFICE OF THE STATE ENGINEER

Ownership

CITY OF ALBUQUERQUE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Arroyo Del Oso Detention Dam?

Arroyo Del Oso 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 Arroyo Del Oso Detention Dam?

Arroyo Del Oso Detention Dam is owned by CITY OF ALBUQUERQUE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Arroyo Del Oso Detention Dam built?

Arroyo Del Oso Detention Dam was completed in 1956, making it 70 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 Arroyo Del Oso Detention Dam?

Arroyo Del Oso 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 Arroyo Del Oso Detention Dam?

Arroyo Del Oso Detention Dam has a dam height of 38 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 Arroyo Del Oso Detention Dam last inspected?

Arroyo Del Oso Detention Dam was last inspected on August 31, 2020. 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.