Magat River
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The Magat River is a
river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...
in the
Philippine The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
island of
Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...
with a total length of . It originates in the
Nueva Vizcaya Nueva Vizcaya, officially the Province of Nueva Vizcaya ( ilo, Probinsia ti Nueva Vizcaya; gad, Probinsia na Nueva Vizcaya; Pangasinan: ''Luyag/Probinsia na Nueva Vizcaya''; tl, Lalawigan ng Nueva Vizcaya ), is a landlocked province in the ...
municipality of
Aritao Aritao, officially the Municipality of Aritao ( gad, Ili na Aritao; ilo, Ili ti Aritao; tl, Bayan ng Aritao), is a 2nd class municipality in the province of Nueva Vizcaya, Philippines. According to the 2020 census, it has a population of 42,197 ...
, where the Santa Fe River joins the Marang. It is the largest
tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...
of the
Cagayan River The Cagayan River, also known as the Río Grande de Cagayán, is the longest river and the largest river by discharge volume of water in the Philippines. It has a total length of approximately and a drainage basin covering . It is located in t ...
by discharge volume of water, with an estimated
drainage area A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...
of , roughly twenty percent of the total drainage area of the Cagayan River.


Tributaries

The following are the tributaries of the Magat River by length: *Alimit River – *Matuno River – *Ibulao River – *Taotao River – *Santa Cruz River – *Padol River – *Lamut River – *Santa Fe River – *Benay River – *Marang River – *Manga River – *Balasig River –


Magat River Integrated Irrigation System

The Magat River Integrated Irrigation System Project, started by the
National Irrigation Administration The National Irrigation Administration (NIA) ( fil, Pambansang Pangasiwaan ng Patubig) is a Philippine government-owned and controlled corporation primarily responsible for irrigation development and management in the country. History NIA was ...
in the 1960s, is one of the Philippine's largest
irrigation Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow Crop, crops, Landscape plant, landscape plants, and Lawn, lawns. Irrigation has been a key aspect of agriculture for over 5,00 ...
projects with
hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...
power generation capacity. Its total cost amounted to US$500 million. The project is made up of the Magat reservoir, three
diversion dam A diversion dam is a dam that diverts all or a portion of the flow of a river from its natural course. Diversion dams do not generally impound water in a reservoir; instead, the water is diverted into an artificial water course or canal, which ...
s, a large number of
irrigation canal An acequia () or séquia () is a community-operated watercourse used in Spain and former Spanish colonies in the Americas for irrigation. Particularly in Spain, the Andes, northern Mexico, and the modern-day American Southwest particularly n ...
s and three
pumping station Pumping stations, also called pumphouses in situations such as well drilling, drilled wells and drinking water, are facilities containing pumps and equipment for pumping fluids from one place to another. They are used for a variety of infrastru ...
s to supply irrigation water for an area of about . It is also includes
hydroelectric power Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...
plants; at Magat reservoir, at Baligatan and Magat mini-hydroelectric power plants in Maris main canal.


See also

*
List of rivers of the Philippines This is a list of rivers of the Philippines. The country's longest river is the Cagayan River, with a length of , followed by the Mindanao River and Agusan River, with respective lengths of and . With an area of , the Cagayan River has the lar ...


References

Rivers of the Philippines Landforms of Isabela (province) Landforms of Nueva Vizcaya {{Philippines-river-stub