Manggahan Floodway, Flood control channel in Pasig, Philippines.
The Manggahan Floodway extends for 15 kilometers, connecting the Marikina River to the Pasig River and directing excess water toward Manila Bay.
Construction of this water management infrastructure began in the late 1990s to address increasing flood problems in Metro Manila's densely populated areas.
Local community groups conduct regular cleaning activities along the waterway banks to maintain the channel's environmental condition and water flow capacity.
The floodway manages water flow rates of 2,000 cubic meters per second, protecting surrounding neighborhoods from severe flooding during heavy rainfall periods.
The channel contains a reverse flow mechanism that adjusts water direction when Laguna de Bay levels exceed those of the Marikina River.
Location: Pasig
Location: Rizal
GPS coordinates: 14.52500,121.13600
Latest update: March 7, 2025 23:15
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