Trabuco
Key Takeaway
Trabuco is classified as high hazard in California. It was completed in 1984 and is 42 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 | 108 ft (taller than 83.7% in CA) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Max Storage | 138 acre-ft |
| Surface Area | 5 acres |
| Year Completed | 1984 (42 years old) |
| NID ID | CA01241 |
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
Trabuco Canyon Water District
Public Utility
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Trabuco?
Trabuco 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 Trabuco?
Trabuco is owned by Trabuco Canyon Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Trabuco built?
Trabuco was completed in 1984, making it 42 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 Trabuco?
Trabuco serves the following purposes: Water Supply, Other, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Trabuco?
Trabuco has a dam height of 108 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 Trabuco last inspected?
Trabuco was last inspected on May 5, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.