Asarco 82

GILA RIVER - OS· Gila, Arizona· Built 1983· Earth· 48 ft tall
Significant Hazard Other Private

Key Takeaway

Asarco 82 is classified as significant hazard in Arizona. It was completed in 1983 and is 43 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 48 ft (taller than 79.2% in AZ)
Dam Length520 ft
Dam TypeEarth
Max Storage113 acre-ft
Normal Storage0 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Year Completed1983 (43 years old)
NID IDAZ00195

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: April 10, 2019
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

ASARCO, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Asarco 82?

Asarco 82 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Asarco 82?

Asarco 82 is owned by ASARCO, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Asarco 82 built?

Asarco 82 was completed in 1983, making it 43 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 Asarco 82?

Asarco 82 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Asarco 82?

Asarco 82 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 Asarco 82 last inspected?

Asarco 82 was last inspected on April 10, 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.