Canal de Isabel II (CYII) is the only company that manages the water supplies for Madrid, Spain. It is owned by the Autonomous Community of Madrid.
The Y in the abbreviated form of the company's name is from the old spelling Ysabel for Queen Isabel II, during whose reign a modern water supply was provided for Madrid. A canal was constructed to provide water from the catchment of the river Lozoya.
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The water entered the city through its northern suburbs using gravity.
The Community of Madrid has a population of about 6.5 million people. To manage the necessary water resources, the Community operates, via Canal de Isabel II Gestión S.A., 14 dams; 75 underground water intakes; 13 drinking water treatment plants; 29 major and 285 minor regulating reservoirs; 17,163 kilometers of adduction and distribution network; 159 drinking water pumping stations and 125 sewage pumping stations; 11,148 kilometers of sewage network; 63 storm tanks; 751 kilometers of main sewers and outfalls; 156 wastewater treatment plants; and 347 kilometers network of reclaimed water.
In the 21st century the Canal expanded its operations to Latin America, where its acquisitions included a Brazilian water company called Emissão.[1][2]
