Vineyard Road

QUEEN CREEK - TR· Pinal, Arizona· Built 1967· Earth· 16 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Vineyard Road is classified as high hazard in Arizona. It was completed in 1967 and is 59 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 16 ft (taller than 20.5% in AZ)
Dam Length37,900 ft
Dam TypeEarth
Max Storage5.0K acre-ft
Normal Storage0 acre-ft
Surface Area840 acres
Drainage Area50 sq mi
Year Completed1967 (59 years old)
NID IDAZ00084

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: Yes
Last Inspection: January 27, 2020
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

FLOOD CONTROL DISTRICT OF MARICOPA COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Vineyard Road?

Vineyard Road 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 Vineyard Road?

Vineyard Road is owned by FLOOD CONTROL DISTRICT OF MARICOPA COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Vineyard Road built?

Vineyard Road was completed in 1967, making it 59 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 Vineyard Road?

Vineyard Road 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 Vineyard Road?

Vineyard Road has a dam height of 16 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 Vineyard Road last inspected?

Vineyard Road was last inspected on January 27, 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.