Antelope Detention Dam

CLAYHOLE WASH· Mohave, Arizona· Built 1965· Gravity·
Low Hazard Debris Control Federal Government

Key Takeaway

Antelope Detention Dam is classified as low hazard in Arizona. It was completed in 1965 and is 61 years old. Its primary use is debris control.

Physical Details

Dam Length2,008 ft
Dam TypeGravity
Max Storage765 acre-ft
Normal Storage610 acre-ft
Surface Area108 acres
Drainage Area26 sq mi
Max Discharge2,133 cfs
Year Completed1965 (61 years old)
NID IDAZ20000

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: January 1, 1965
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Antelope Detention Dam?

Antelope Detention Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Antelope Detention Dam?

Antelope Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Antelope Detention Dam built?

Antelope Detention Dam was completed in 1965, making it 61 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 Antelope Detention Dam?

Antelope Detention Dam serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Antelope Detention Dam last inspected?

Antelope Detention Dam was last inspected on January 1, 1965. 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.