Cucamonga Creek Debris Basin
Key Takeaway
Cucamonga Creek Debris Basin is classified as high hazard in California. It was completed in 1980 and is 46 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 | 60 ft (taller than 67.2% in CA) |
| Dam Length | 2,980 ft |
| Dam Type | Earth |
| Max Storage | 355 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 12 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | CA01277 |
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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High Hazard 22 ftDeer Canyon Debris Basin
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High Hazard 78 ftThompson Creek
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High Hazard 20 ftDay Creek Debris Basin
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High Hazard 90 ftFrequently Asked Questions
What is the hazard classification of Cucamonga Creek Debris Basin?
Cucamonga Creek 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 Cucamonga Creek Debris Basin?
Cucamonga Creek Debris Basin 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 Cucamonga Creek Debris Basin built?
Cucamonga Creek Debris Basin was completed in 1980, making it 46 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 Cucamonga Creek Debris Basin?
Cucamonga Creek 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 Cucamonga Creek Debris Basin?
Cucamonga Creek Debris Basin has a dam height of 60 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 Cucamonga Creek Debris Basin last inspected?
Cucamonga Creek Debris Basin was last inspected on January 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.