Boca
Key Takeaway
Boca is classified as high hazard in California. It was completed in 1939 and is 87 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 | 116 ft (taller than 85.1% in CA) |
| Dam Length | 1,630 ft |
| Dam Type | Earth |
| Max Storage | 41.1K acre-ft |
| Normal Storage | 32.9K acre-ft |
| Surface Area | 977 acres |
| Drainage Area | 171 sq mi |
| Max Discharge | 8,000 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | CA10135 |
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 Boca?
Boca 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 Boca?
Boca is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Boca built?
Boca was completed in 1939, making it 87 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 Boca?
Boca serves the following purposes: Hydroelectric, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Boca?
Boca has a dam height of 116 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 Boca last inspected?
Boca was last inspected on September 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.