Small Canyon
Key Takeaway
Small Canyon is classified as high hazard in California. It was completed in 1957 and is 69 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 | 68 ft (taller than 72.2% in CA) |
| Dam Length | 245 ft |
| Dam Type | Earth |
| Max Storage | 20 acre-ft |
| Surface Area | 2 acres |
| Year Completed | 1957 (69 years old) |
| NID ID | CA00314 |
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
County of San Bernardino Department of Public Works
Local Government
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Significant Hazard 190 ftFrequently Asked Questions
What is the hazard classification of Small Canyon?
Small Canyon 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 Small Canyon?
Small Canyon is owned by County of San Bernardino Department of Public Works (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Small Canyon built?
Small Canyon was completed in 1957, making it 69 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 Small Canyon?
Small Canyon serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Small Canyon?
Small Canyon has a dam height of 68 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 Small Canyon last inspected?
Small Canyon was last inspected on February 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.