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Agricultural water management in the Philippines is primarily focused on irrigation. The country has 3.126 million hectares of irrigable land, 50% (1.567 million hectares) of which already has irrigation facilities. 50% of irrigated areas are developed and operated by the government through the National Irrigation System (NIS). 36% is developed by the government and operated by irrigators ...
The Metropolitan Waterworks and Sewerage System [1] (Tagalog: Pangasiwaan ng Tubig at Alkantarilya sa Kalakhang Maynila), [5] formerly known as the National Waterworks and Sewerage System Authority (NAWASA), is the government agency that is in charge of water privatization in Metro Manila and nearby provinces of Cavite and Rizal in the Philippines.
Most of the water—some 75% [13] —was lost through the old and inefficient distribution system Maynilad inherited from the government and its previous owners. In fact, the company’s pipe network is considered the oldest in Asia, [ 13 ] some dating back to the time when the Philippines was still under the Spanish rule.
An example of a water distribution system: a pumping station, a water tower, water mains, fire hydrants, and service lines [1] [2]. A water distribution system is a part of water supply network with components that carry potable water from a centralized treatment plant or wells to consumers to satisfy residential, commercial, industrial and fire fighting requirements.
The proposed system was intended to be built in stages, with the approval of Laiban Dam subject to the success of the Kaliwa Low Dam. As a result, only stage one, involving Kaliwa Low Dam its attendant the water supply tunnel, were actually approved for construction during the administration of Benigno Aquino III. [2]
Metro Manila, Philippines, is located in the hydraulically complex Pasig River—Marikina River—Laguna de Bay watershed, which includes more than thirty tributaries within the urban area. [1] The following list is sorted by name, with a brief description of each. Bold indicates the body of water is a major channel.
The La Mesa Watershed Reservation is a protected area that preserves the only major watershed in Metro Manila, Philippines.Also known as the Novaliches Watershed, it contains the last remaining rainforest of its size in Metro Manila surrounding the La Mesa Dam and Reservoir, the primary source of potable drinking water for 12 million residents in the Manila metropolitan area. [1]
The La Mesa Dam and Reservoir is an earth dam in Quezon City, Philippines. Its reservoir can hold up to 50.5 million cubic meters (1,780 million cubic feet), occupying an area of 27 square kilometers (10 sq mi). It is part of the Angat-Ipo-La Mesa water system, which supplies most of the water in Metro Manila.