B. F. Sisk
Key Takeaway
B. F. Sisk is classified as high hazard in California. It was completed in 1967 and is 59 years old. Its primary use is hydroelectric. 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 | 305 ft (taller than 98.3% in CA) |
| Dam Length | 18,600 ft |
| Dam Type | Earth |
| Max Storage | 2.1M acre-ft |
| Normal Storage | 2.1M acre-ft |
| Surface Area | 13,000 acres |
| Drainage Area | 83 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | CA10183 |
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
RECLAMATION
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of B. F. Sisk?
B. F. Sisk 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 B. F. Sisk?
B. F. Sisk is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was B. F. Sisk built?
B. F. Sisk was completed in 1967, making it 59 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 B. F. Sisk?
B. F. Sisk serves the following purposes: Hydroelectric, Irrigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is B. F. Sisk?
B. F. Sisk has a dam height of 305 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 B. F. Sisk last inspected?
B. F. Sisk was last inspected on October 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.