Schoolhouse Debris Basin
Key Takeaway
Schoolhouse Debris Basin is classified as high hazard in California. It was completed in 1962 and is 64 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 | 38 ft (taller than 43.2% in CA) |
| Dam Length | 265 ft |
| Dam Type | Earth |
| Max Storage | 19 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1962 (64 years old) |
| NID ID | CA01172 |
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
Nearby Dams
Wilson Debris Basin
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High Hazard 50 ftYarnell Debris Basin
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Low Hazard 42 ftLos Angeles Reservoir
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High Hazard 130 ftUpper San Fernando
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Low Hazard 42 ftLower Van Norman Bypass
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Low Hazard 78 ftLower San Fernando
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High Hazard 125 ftLopez Dam
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High Hazard 50 ftFrequently Asked Questions
What is the hazard classification of Schoolhouse Debris Basin?
Schoolhouse 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 Schoolhouse Debris Basin?
Schoolhouse 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 Schoolhouse Debris Basin built?
Schoolhouse Debris Basin was completed in 1962, making it 64 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 Schoolhouse Debris Basin?
Schoolhouse 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 Schoolhouse Debris Basin?
Schoolhouse Debris Basin has a dam height of 38 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 Schoolhouse Debris Basin last inspected?
Schoolhouse Debris Basin was last inspected on October 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.