Vivi Dam, also known as Lago Vivi, is a gravity-type dam located in Utuado, Puerto Rico. Completed in 1950, it serves as a crucial hydroelectric infrastructure, with a primary purpose of generating power from the Vivi River. The dam has a structural height of 85 feet and a hydraulic height of 82 feet, providing a maximum storage capacity of 380 acre-feet and a normal storage capacity of 232 acre-feet.

With a high hazard potential and a satisfactory condition assessment, Vivi Dam is regulated by the Puerto Rico Electric Power Authority (PREPA) and undergoes regular inspections. It features an uncontrolled spillway with a width of 100 feet and a maximum discharge capacity of 25,000 cubic feet per second. Despite its moderate risk assessment rating, the dam contributes significantly to the region's water resource management and climate resilience efforts.

As a key component of Puerto Rico's water infrastructure, Vivi Dam plays a vital role in supporting sustainable hydroelectric power generation and ensuring the availability of water resources for the surrounding communities. Its strategic location and design highlight the importance of proper maintenance and risk management to safeguard against potential hazards and ensure the continued reliability of this essential infrastructure for years to come.