The source of the East Line Project is the Yangtze River water in Yangzhou in the lower reaches of the Yangtze River, the source of the Middle Line Project is Toudankou Reservoir, and the source of the West Line Project is Tongtian River, Yalong River and Dadu River in the upper reaches of the Yangtze River.

"South-to-North Water Diversion Project" is a strategic project in People's Republic of China (PRC), which is divided into east, middle and west lines. The starting point of the East Line Project is located in Jiangdu Water Control Project, Yangzhou City, Jiangsu Province. The starting point of the mid-line project is Danjiangkou Reservoir in the middle and upper reaches of the Han River, and the water supply areas are Henan, Hebei, Beijing and Tianjin.

Up to now, the west line project is still in the planning stage and has not started construction.

Extended data:

Significance of South-to-North Water Transfer Project

1 to solve the water shortage problem in the north;

2. Increase the carrying capacity of water resources and improve the efficiency of resource allocation;

3. Make northern China a water-saving and pollution-proof society with reasonable allocation of water resources and good water environment;

4. It is beneficial to alleviate the restriction of water shortage on the urbanization development in the northern region and promote the local urbanization process;

5. Ensure the perennial navigable water source of Jining-Xuzhou section of Beijing-Hangzhou Canal. The two major commodity grain bases in western Shandong and northern Jiangsu have been consolidated and developed.

Baidu Encyclopedia-South-to-North Water Transfer Project