West Park
Key Takeaway
West Park is classified as high hazard in Arizona. It was completed in 1974 and is 52 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 | 25 ft (taller than 44.6% in AZ) |
| Dam Length | 1,590 ft |
| Dam Type | Earth |
| Max Storage | 187 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,980 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | AZ00111 |
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
CITY OF PHOENIX, STREET TRANSPORTATION DEPT.
Local Government
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Low Hazard 44 ftFrequently Asked Questions
What is the hazard classification of West Park?
West Park 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 West Park?
West Park is owned by CITY OF PHOENIX, STREET TRANSPORTATION DEPT. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was West Park built?
West Park was completed in 1974, making it 52 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 West Park?
West Park 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 West Park?
West Park has a dam height of 25 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 West Park last inspected?
West Park was last inspected on February 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.