Where does the span of South-to-North Water Transfer Project start and end?

The South-to-North Water Diversion Project is a strategic project of China people, which is divided into three routes: east, middle and west. 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.

It is expected to end by 2050.

East Line Project: Use the existing water diversion project in Jiangsu Province to gradually expand the scale of water diversion and extend the water transmission line. The East Line Project draws Yangtze River water from Yangzhou in the lower reaches of the Yangtze River, and uses the Beijing-Hangzhou Grand Canal and its parallel rivers to pump the water to the north step by step, connecting Hongze Lake, Roman Lake, Nansi Lake and Dongping Lake, thus playing a role in regulation and storage. After leaving Dongping Lake, water is delivered in two ways: southbound, crossing the Yellow River through a tunnel near Yishan; The other way is eastward, and water is delivered to Yantai and Weihai through the economic southward of Jiaodong water trunk line.

Mid-line project: Water is diverted from the dam at the head of Taocha Canal in Danjiangkou Reservoir after expansion, flows through Fangchengyakou, the watershed between Yangtze River and Huaihe River along the west side of Tangbai River Basin, flows through the Yellow River at Gubaizui, west of Zhengzhou, and then continues northward along the west side of Beijing-Guangzhou Railway, and can basically flow to Beijing and Tianjin by itself.

West Line Project: Dams and reservoirs will be built in the upper reaches of Tongtian River, Yalong River and Dadu River in the upper reaches of the Yangtze River, and a water conveyance tunnel will be dug in Bayankala, the watershed between the Yangtze River and the Yellow River, to introduce the Yangtze River water into the upper reaches of the Yellow River. The water supply target of the West Line Project is mainly to solve the water shortage problem in the middle and upper reaches of the Yellow River and the Guanzhong Plain of Weihe River in six provinces (autonomous regions) such as Qinghai, Gansu, Ningxia, Inner Mongolia, Shaanxi and Shanxi. Combined with the construction of key water control projects on the main stream of the Yellow River, water can also be supplied to Hexi Corridor in Gansu Province adjacent to the Yellow River basin, and water can also be replenished to the lower reaches of the Yellow River when necessary.

The total planned water transfer scale of the east, middle and west routes in 2050 is 44.8 billion cubic meters, including 654.38+04.8 billion cubic meters in the east, 654.38+03 billion cubic meters in the middle and 654.38+07 billion cubic meters in the west. The whole project will be implemented in stages according to the actual situation.

Acceptance period of project trial operation

2065438+May 3, 20031day, the first phase of the East Route of South-to-North Water Transfer Project in Jiangsu Province was successfully connected with water.

On August 5, 20 13, the first phase of the East Route of South-to-North Water Diversion Project passed the acceptance of water supply, and the project has water supply conditions.

On August 28th, 2065438+2003, the migrants in Danjiangkou reservoir area of the Middle Route of South-to-North Water Transfer Project formally passed the pre-storage completion acceptance, which marked the complete completion of all resettlement related work in the reservoir area before storage.

2065438+On August 29th, 2003, Danjiangkou Dam Heightening Project passed the acceptance of water storage, and formally met the water storage conditions.

20 13, 165438+ 10 month, 15, the first phase of the East Line was officially put into operation.

2065438+February 25, 2003, 65438+2003, the main project of the central trunk line was basically completed, which laid the foundation for the whole line of water supply.

2065438+On June 5, 2004, the main canal north of the Yellow River started in water filling test.

On July 3, 20 14, the main canal south of the Yellow River started in water filling test.

20 14, 14, tunnel water filling test of the Yellow River crossing project was successful.

2065438+On September 29th, 2004, the first phase of the central line project passed the acceptance of water supply for the whole line, and it was qualified for water supply.

The first phase of the 20 14 12 12 middle line project was officially put into production.