Santa Anita Debris Basin
Key Takeaway
Santa Anita Debris Basin is classified as low hazard in California. It was completed in 1960 and is 66 years old. Its primary use is debris control.
Physical Details
| Dam Height | 56 ft (taller than 65.1% in CA) |
| Dam Length | 955 ft |
| Dam Type | Earth |
| Max Storage | 116 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 13 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | CA01155 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
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
Nearby Dams
Big Santa Anita
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High Hazard 225 ftSierra Madre
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High Hazard 69 ftSawpit Debris Basin
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High Hazard 82 ftSawpit
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High Hazard 150 ftBailey Debris Basin
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High Hazard 43 ftMorris S. Jones
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High Hazard 49 ftSierra Madre Villa
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High Hazard 50 ftEaton Wash Debris Basin
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High Hazard 63 ftFrequently Asked Questions
What is the hazard classification of Santa Anita Debris Basin?
Santa Anita Debris Basin is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Santa Anita Debris Basin?
Santa Anita 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 Santa Anita Debris Basin built?
Santa Anita 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 Santa Anita Debris Basin?
Santa Anita 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 Santa Anita Debris Basin?
Santa Anita Debris Basin has a dam height of 56 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 Santa Anita Debris Basin last inspected?
Santa Anita Debris Basin was last inspected on October 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.