Hx Detention Dam

GOLD GULCH· Graham, Arizona· Built 1956·
Low Hazard Flood Risk Reduction Federal Government

Key Takeaway

Hx Detention Dam is classified as low hazard in Arizona. It was completed in 1956 and is 70 years old. Its primary use is flood risk reduction.

Physical Details

Dam Length3,600 ft
Max Storage1.6K acre-ft
Normal Storage1.7K acre-ft
Surface Area265 acres
Drainage Area147 sq mi
Max Discharge3,578 cfs
Year Completed1956 (70 years old)
NID IDAZ20015

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: July 28, 2014
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hx Detention Dam?

Hx 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 Hx Detention Dam?

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

When was Hx Detention Dam built?

Hx 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 Hx Detention Dam?

Hx 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.

When was Hx Detention Dam last inspected?

Hx Detention Dam was last inspected on July 28, 2014. 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.