Wawa Dam (also known as Montalban Dam)[1] is a gravity dam constructed over the Marikina River in the municipality of Rodriguez in Rizal province, Philippines.[2] The slightly arched dam is situated in the 360-metre (1,180 ft) high Montalban Gorge or Wawa Gorge,[3] a water gap in the Sierra Madre Mountains, east of Manila. It was built in 1909 during the American colonial era to provide the water needs for Manila.[4][5] It used to be the only source of water for Manila until Angat Dam was built and Wawa was abandoned in 1968.[6] Due to insufficiency of water supply for Metro Manila, there was a strong clamor to reuse the dam.[7] The dam and surrounding area is currently protected as part of the Pamitinan Protected Landscape.
Wawa Dam | |
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![]() Wawa Dam | |
![]() ![]() Montalban Rodriguez Rizal Show map of Luzon![]() ![]() Wawa Dam (Philippines) Show map of Philippines | |
Country | Philippines |
Location | Montalban Gorge, Rodriguez, Rizal |
Coordinates | 14°43′40″N 121°11′30″E |
Purpose | Water supply (original) Recreation (current) |
Dam and spillways | |
Type of dam | Arch-gravity dam |
Impounds | Marikina River |
Length | 280 feet (85 m) |
Spillways | One |
Spillway type | Ogee crest |
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Luzon | |
Visayas |
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Mindanao | |
Planned, proposed, and under construction systems are in italics. |
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