Is River Dredging Enough to Prevent Flood Risk?



Ulysses (international name: Vamco) brought back the agonizing memories of Ondoy (international name: Ketsana), which also caused drastic flooding in 2009. Ulysses, the 21st tropical cyclone that entered the Philippine Area of Responsibility in 2020, prompted downpours particularly across Metro Manila from the evening of November 11 to the morning of the 12th. Thus, Marikina River’s water level unexpectedly swelled up to 22 meters at 11 AM on November 12.

To prevent this from happening again, the Department of Environment and Natural Resources (DENR) started its river dredging operation on Feb 17, 2021.

Ulysses (international name: Vamco) brought back the agonizing memories of Ondoy (international name: Ketsana), which also caused drastic flooding in 2009 in the Philippines. Ulysses, the 21st tropical cyclone that entered the Philippine Area of Responsibility in 2020, prompted downpours particularly across Metro Manila from the evening of November 11 to the morning of the 12th. Thus, Marikina River’s water level unexpectedly swelled up to 22 meters at 11 AM on November 12.

To prevent this from happening again, the Department of Environment and Natural Resources (DENR) started its river dredging operation on Feb 17, 2021. 

Continue reading “Is River Dredging Enough to Prevent Flood Risk?”

Andreas Klippe

About author

Andreas Klippe is founder of the Asian Center for Flood Control located in Clark Freeport Zone, Philippines.

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