Buck Island Auxiliary
Key Takeaway
Buck Island Auxiliary is classified as low hazard in California. It was completed in 1963 and is 63 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 25 ft (taller than 23.6% in CA) |
| Dam Length | 244 ft |
| Dam Type | Concrete |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 78 acres |
| Max Discharge | 13,000 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | CA00821 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Sacramento Municipal Utility District
Public Utility
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High Hazard 440 ftFrequently Asked Questions
What is the hazard classification of Buck Island Auxiliary?
Buck Island Auxiliary is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Buck Island Auxiliary?
Buck Island Auxiliary is owned by Sacramento Municipal Utility District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Buck Island Auxiliary built?
Buck Island Auxiliary 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 Buck Island Auxiliary?
Buck Island Auxiliary serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Buck Island Auxiliary?
Buck Island Auxiliary has a dam height of 25 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 Buck Island Auxiliary last inspected?
Buck Island Auxiliary was last inspected on August 13, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.