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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 ...
A rainwater catchment or collection (also known as "rainwater harvesting") system can yield 1,000 litres (260 US gal) of water from 1 cm (0.4 in) of rain on a 100 m 2 (1,100 sq ft) roof. Rainwater tanks are installed to make use of rain water for later use, reduce mains water use for economic or environmental reasons, and aid self-sufficiency.
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Maynilad Water Services Inc. was formed in 1997 as a partnership of the Benpres Holdings Corporation (now the Lopez Group of Companies) and Ondeo Water Services Inc. after it won the bidding to run the water and wastewater services in the West Zone. Benpres eventually left the partnership in 2006 to settle a US$240 million debt.
Had it been built, the Kaliwa Low Dam was expected to ease the demand on the Angat Dam, Manila's sole water storage facility. [2] It was the main component of the New Centennial Water Source-Kaliwa Dam Project in Tanay, Rizal, which also called for the construction of a water supply tunnel and various attendant infrastructure. [1]
One litre is about 5.6% larger than a US liquid quart, and about 12% smaller than an imperial quart. A mnemonic for its volume relative to an imperial pint is "a litre of water's a pint and three-quarters"; this is very close, as a litre is exactly 1 345391 ⁄ 454609 imperial pints. A cubic foot has an exact volume of 28.316846592 litres.
98 percent of the water used in Metro Manila comes from the Angat Dam about 40 km to the northeast of Manila, a multipurpose dam that is also used for irrigation and hydropower generation. From Angat Dam, water flows through the Angat River to the much smaller Ipo Dam from where it is diverted through tunnels to the La Mesa Basins. From these ...
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