Casandro Wash

CASANDRO WASH· Maricopa, Arizona· Built 1996· Earth· 41 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Casandro Wash is classified as high hazard in Arizona. It was completed in 1996 and is 30 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 41 ft (taller than 70.4% in AZ)
Dam Length350 ft
Dam TypeEarth
Max Storage247 acre-ft
Normal Storage0 acre-ft
Surface Area11 acres
Drainage Area3 sq mi
Year Completed1996 (30 years old)
NID IDAZ00230

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: June 18, 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 Casandro Wash?

Casandro Wash 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 Casandro Wash?

Casandro Wash 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 Casandro Wash built?

Casandro Wash was completed in 1996, making it 30 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 Casandro Wash?

Casandro Wash 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 Casandro Wash?

Casandro Wash has a dam height of 41 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 Casandro Wash last inspected?

Casandro Wash was last inspected on June 18, 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.