Poway
Key Takeaway
Poway is classified as high hazard in California. It was completed in 1971 and is 55 years old. Its primary use is water supply. 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 | 162 ft (taller than 91.4% in CA) |
| Dam Length | 970 ft |
| Dam Type | Earth |
| Max Storage | 3.3K acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1971 (55 years old) |
| NID ID | CA00909 |
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 Poway
Local Government
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High Hazard 131 ftFrequently Asked Questions
What is the hazard classification of Poway?
Poway 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 Poway?
Poway is owned by City of Poway (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Poway built?
Poway was completed in 1971, making it 55 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 Poway?
Poway serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Poway?
Poway has a dam height of 162 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 Poway last inspected?
Poway was last inspected on December 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.