Cull Creek
Key Takeaway
Cull Creek is classified as high hazard in California. It was completed in 1963 and is 63 years old. Its primary use is flood risk reduction. 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 | 55 ft (taller than 63.8% in CA) |
| Dam Length | 440 ft |
| Dam Type | Earth |
| Max Storage | 140 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1963 (63 years old) |
| NID ID | CA00840 |
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
Alameda County Public Works Agency
Local Government
Nearby Dams
San Lorenzo Creek
Alameda, CA
High Hazard 65 ftAlmond
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High Hazard 30 ftWard Creek
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High Hazard 71 ftChabot
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High Hazard 142 ftNew Upper San Leandro
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High Hazard 182 ftDunsmuir Reservoir
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High Hazard 43 ftDanville
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High Hazard 75 ftDecoto Reservoir
Alameda, CA
High Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Cull Creek?
Cull Creek 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 Cull Creek?
Cull Creek is owned by Alameda County Public Works Agency (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cull Creek built?
Cull Creek was completed in 1963, making it 63 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 Cull Creek?
Cull Creek serves the following purposes: Flood Risk Reduction, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cull Creek?
Cull Creek has a dam height of 55 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 Cull Creek last inspected?
Cull Creek was last inspected on July 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.