Antelope Valley Detention Dam

CLAYHOLE WASH· Mohave, Arizona· Built 1963· Gravity·
Low Hazard Debris Control Federal Government

Key Takeaway

Antelope Valley Detention Dam is classified as low hazard in Arizona. It was completed in 1963 and is 63 years old. Its primary use is debris control.

Physical Details

Dam Length1,380 ft
Dam TypeGravity
Max Storage267 acre-ft
Normal Storage200 acre-ft
Surface Area37 acres
Drainage Area5 sq mi
Max Discharge827 cfs
Year Completed1963 (63 years old)
NID IDAZ20001

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: May 21, 2003
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Antelope Valley Detention Dam?

Antelope Valley 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 Valley Detention Dam?

Antelope Valley 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 Valley Detention Dam built?

Antelope Valley Detention Dam was completed in 1963, making it 63 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 Valley Detention Dam?

Antelope Valley 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 Valley Detention Dam last inspected?

Antelope Valley Detention Dam was last inspected on May 21, 2003. 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.