Dos Bocas Dam
Key Takeaway
Dos Bocas Dam is classified as high hazard in Puerto Rico. It was completed in 1942 and is 84 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 | 188 ft (taller than 80.6% in PR) |
| Dam Type | Gravity |
| Max Storage | 50.0K acre-ft |
| Normal Storage | 30.4K acre-ft |
| Surface Area | 634 acres |
| Drainage Area | 170 sq mi |
| Max Discharge | 200,000 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | PR00009 |
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
PUERTO RICO ELECTRIC POWER AUTHORITY
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dos Bocas Dam?
Dos Bocas Dam 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 Dos Bocas Dam?
Dos Bocas Dam is owned by PUERTO RICO ELECTRIC POWER AUTHORITY (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dos Bocas Dam built?
Dos Bocas Dam was completed in 1942, making it 84 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 Dos Bocas Dam?
Dos Bocas Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dos Bocas Dam?
Dos Bocas Dam has a dam height of 188 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 Dos Bocas Dam last inspected?
Dos Bocas Dam was last inspected on February 7, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.