SNOFLO
 



PORTUGUES DAM

RESERVOIR LEVELS
Rock Dam Portugues River
April 23, 2025


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Portugues Dam, located in Ponce, Puerto Rico, is a concrete structure designed by the Corps of Engineers, Jacksonville District to primarily reduce flood risks along the Portugues River. Completed in 2015, this impressive dam stands at 220 feet tall with a hydraulic height of 216 feet, providing a maximum storage capacity of 46,000 acre-feet. The dam's spillway, with a width of 140 feet, is uncontrolled, allowing for a maximum discharge of 46,000 cubic feet per second in case of emergencies.

Despite its high hazard potential, Portugues Dam is in a satisfactory condition as of the last assessment in June 2021. The dam is regulated by PREPA and undergoes regular inspections every five years to ensure its safety and functionality. With a moderate risk assessment rating of 3, risk management measures are in place to mitigate any potential threats. Additionally, the dam also serves recreational purposes, offering a surface area of 71 acres for outdoor activities.

Overall, Portugues Dam is a crucial infrastructure in Puerto Rico's water resource management, providing flood protection and recreational opportunities to the local community. Its strategic location and impressive specifications make it a key asset in safeguarding the surrounding areas from potential water-related disasters while also offering a space for leisure and enjoyment. The dam's design and construction reflect a commitment to sustainable water resource management and climate resilience in the region.

Year_Completed 2015
Dam_Height 220
River_Or_Stream PORTUGUES RIVER
Dam_Length 1230
Primary_Dam_Type Concrete
Surface_Area 71
Hydraulic_Height 216
Drainage_Area 10.5
Nid_Storage 46000
Structural_Height 220
Outlet_Gates Valve - 0
Hazard_Potential High
Foundations Rock
Nid_Height 220
       

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