Sierra Madre Villa
Key Takeaway
Sierra Madre Villa is classified as high hazard in California. It was completed in 1958 and is 68 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 | 50 ft (taller than 59.1% in CA) |
| Dam Length | 906 ft |
| Dam Type | Earth |
| Max Storage | 109 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1958 (68 years old) |
| NID ID | CA01158 |
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
Morris S. Jones
Los Angeles, CA
High Hazard 49 ftEaton Wash Debris Basin
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High Hazard 63 ftBailey Debris Basin
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High Hazard 43 ftSierra Madre
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High Hazard 69 ftRubio Debris Basin
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High Hazard 64 ftSanta Anita Debris Basin
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Low Hazard 56 ftBig Santa Anita
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High Hazard 225 ftSawpit Debris Basin
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High Hazard 82 ftFrequently Asked Questions
What is the hazard classification of Sierra Madre Villa?
Sierra Madre Villa 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 Sierra Madre Villa?
Sierra Madre Villa 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 Sierra Madre Villa built?
Sierra Madre Villa was completed in 1958, making it 68 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 Sierra Madre Villa?
Sierra Madre Villa 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 Sierra Madre Villa?
Sierra Madre Villa has a dam height of 50 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 Sierra Madre Villa last inspected?
Sierra Madre Villa was last inspected on November 3, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.