Vista Del Mar Detention Basin
Key Takeaway
Vista Del Mar Detention Basin is classified as high hazard in California. It was completed in 2011 and is 15 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 | 42 ft (taller than 50.1% in CA) |
| Dam Length | 552 ft |
| Dam Type | Earth |
| Max Storage | 33 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2011 (15 years old) |
| NID ID | CA01489 |
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
William Lyon Homes, Inc.
Private
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High Hazard 44 ftFrequently Asked Questions
What is the hazard classification of Vista Del Mar Detention Basin?
Vista Del Mar Detention Basin 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 Vista Del Mar Detention Basin?
Vista Del Mar Detention Basin is owned by William Lyon Homes, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Vista Del Mar Detention Basin built?
Vista Del Mar Detention Basin was completed in 2011, making it 15 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 Vista Del Mar Detention Basin?
Vista Del Mar Detention Basin 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 Vista Del Mar Detention Basin?
Vista Del Mar Detention Basin has a dam height of 42 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 Vista Del Mar Detention Basin last inspected?
Vista Del Mar Detention Basin was last inspected on February 8, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.