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2014年12月12日下午,长1432公里、历时11年建设的南水北调中线正式通水,长江水正式进京。水源地丹江口水库,水质常年保持在国家Ⅱ类水质以上,“双封闭”渠道设计确保沿途水质安全。通水后,每年可向北方输送95亿立方米的水量,相当于1/6条黄河,基本缓解北方严重缺水局面。
On the afternoon of December 12, 2014, the central line of the South-North Water Diversion Project, which is 1432 km long and lasted for 11 years, has been officially opened. The Yangtze River water has officially entered Beijing. Water source Danjiangkou reservoir, water quality perennial in the country Ⅱ above the water quality, “double closed ” channel design to ensure water safety along the way. After passing through the water, it can annually deliver 9.5 billion cubic meters of water to the north, equivalent to 1/6 of the Yellow River, which will basically ease the severe water shortage in the north.