The South-to-North Water Diversion Project is the backbone project of drawing and allocating water resources.

The South-to-North Water Diversion Project is a backbone project for allocating water resources according to what is drawn and drawn: The South-to-North Water Diversion Project is a backbone project for allocating water resources across river basins and regions.

1. South-to-North Water Diversion

The "South-to-North Water Diversion Project" is a strategic project of the People's Republic of China. It is divided into three lines: east, middle and west. The starting point of the east line project is located in Jiangdu Water Conservancy Project in Yangzhou, Jiangsu Province. The starting point of the middle line project is located in the Danjiangkou Reservoir in the middle and upper reaches of the Han River, and the water receiving areas are Henan, Hebei, Beijing and Tianjin. The concept of the project plan began in 1952 when Chairman Mao Zedong inspected the Yellow River. Since then, after analyzing and comparing more than 50 plans, the water diversion plan has achieved a large number of valuable results.

The planned area of ??the South-to-North Water Diversion Project involves a population of 438 million people and a water diversion scale of 44.8 billion cubic meters. The total length of the east, middle and west trunk lines planned for the project is 4,350 kilometers. The total length of the first phase of the east and middle line projects is 2,899 kilometers, and there are about 2,700 kilometers of first-level supporting branch canals in six provinces and cities along the line. In September 2012, the relocation of immigrants from the Danjiangkou reservoir area of ??the South-to-North Water Diversion Middle Route Project was fully completed. The South-to-North Water Diversion Project mainly solves the water shortage problem in northern my country, especially in the Huang-Huai-Hai basin.

The population of the planning area is 438 million. The *** has three water diversion lines: the east line, the middle line and the west line. Through the connection between the three water diversion lines and the four major rivers of the Yangtze River, Yellow River, Huaihe River and Haihe River, it forms an overall layout with "four horizontal and three vertical" as the main body. It is conducive to the realization of a reasonable allocation pattern of water resources allocated from the north to the south and mutual assistance from the east to the west in China. The middle route of the South-to-North Water Diversion Project and the eastern route of the South-to-North Water Diversion Project (Phase I) have been completed and are transferring water to the northern region. The west line project is still in the planning stage and construction has not started.

2. Social significance

Solve the water shortage in the north; increase the carrying capacity of water resources and improve the efficiency of resource allocation; make northern China gradually become a place with reasonable water resource allocation and good water environment A water-saving and anti-pollution society; it is conducive to alleviating the constraints of water shortages on urbanization development in northern areas and promoting the local urbanization process; ensuring water sources for the year-round navigation of the Jining-Xuzhou section of the Beijing-Hangzhou Canal. The two commercial grain bases in western Shandong and northern Jiangsu have been consolidated and developed.

3. Economic significance

Provide guarantee for the economic development of the north; optimize the industrial structure and promote the strategic adjustment of the economic structure; promote potential productivity and form economic growth by improving water resources conditions ; Expand domestic demand, promote harmonious development, and increase domestic GDP.