White Tanks #4
Key Takeaway
White Tanks #4 is classified as high hazard in Arizona. It was completed in 1956 and is 70 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 | 14 ft (taller than 16% in AZ) |
| Dam Length | 6,839 ft |
| Dam Type | Earth |
| Max Storage | 2.3K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 155 acres |
| Drainage Area | 14 sq mi |
| Year Completed | 1956 (70 years old) |
| NID ID | AZ00109 |
Safety Information
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?
Ownership
FLOOD CONTROL DISTRICT OF MARICOPA COUNTY
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of White Tanks #4?
White Tanks #4 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 White Tanks #4?
White Tanks #4 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 White Tanks #4 built?
White Tanks #4 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 White Tanks #4?
White Tanks #4 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 White Tanks #4?
White Tanks #4 has a dam height of 14 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 White Tanks #4 last inspected?
White Tanks #4 was last inspected on January 5, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.