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In the field of water resources management of the Republic of Uzbekistan, 8940 pumping stations are used for irrigation and for maintaining the reclamation state of lands, including 24 large ones with a total water consumption of 6.4 billion m3. The most strategically important structures for the country are the Im-Zang, Amu-Bukhara and Karshi cascades of pumping stations that provide water to almost all irrigated agriculture and the population of Surkhandarya, Kashkadarya, Bukhara and Navoi regions. Along with this, the Amu-Bukhara and Karshi machine canals provide water to the Bukhara oil refinery, Shurtan, Mubarek and other oil and gas chemical complexes, as well as the Talimarjan GRES with a capacity of 3200 thousand kW. The largest of them - the Karshi cascade of pumping stations wich makes transportation the Amudarya river water to a height of 132m.