La Tuna Debris Basin
Key Takeaway
La Tuna Debris Basin is classified as high hazard in California. It was completed in 1960 and is 66 years old. Its primary use is debris control. 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 | 47 ft (taller than 56.2% in CA) |
| Dam Length | 654 ft |
| Dam Type | Earth |
| Max Storage | 207 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | CA01153 |
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
Los Angeles County Department Of Public Works
Local Government
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High Hazard 97 ftFrequently Asked Questions
What is the hazard classification of La Tuna Debris Basin?
La Tuna Debris 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 La Tuna Debris Basin?
La Tuna Debris Basin is owned by Los Angeles County Department Of Public Works (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was La Tuna Debris Basin built?
La Tuna Debris Basin was completed in 1960, making it 66 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 La Tuna Debris Basin?
La Tuna Debris Basin serves the following purposes: Debris Control, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is La Tuna Debris Basin?
La Tuna Debris Basin has a dam height of 47 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 La Tuna Debris Basin last inspected?
La Tuna Debris Basin was last inspected on December 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.