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 LuzonWawa 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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