There are three islands in Dishui Lake-North Island, West Island and South Island. Known as the "Island of Entertainment", the North Island is located in the north of Dishui Lake, covering an area of about 235,000 square meters, and it is also the largest of the three islands. According to the plan, North Island will build an amusement park with marine characteristics, including water world, oasis, game tunnel and blue whale performing arts center.

Occupying an area of about 60,000 square meters, Xidao is positioned as a business and tourist accommodation area, and two landmark high-star hotels are planned to be built. South Island covers an area of about 6.5438+0.4 million square meters. This is a water entertainment island with yacht clubs, yacht ports and other facilities. It is positioned as a water sports and leisure center for holding international water sports events and fitness and entertainment.

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The water source of Dishui Lake in Shanghai is Dazhi River, a tributary of Huangpu River. Through a clear channel, the Dazhi River is directly introduced into the lake. The ecosystem of Dishui Lake is fragile and the water body has been eutrophic. From 2006 to 2008, the average annual eutrophication index of lakes has exceeded 70, and the transparency has decreased year by year. Nitrogen and phosphorus are the most important factors of pollution in Dishui Lake.

The supporting water conservancy project of Dishui Lake includes three chain rivers, namely Chunlian River, Xialian River and Qiulian River, and seven radial rivers, namely Chifeng Port, Orange Port, Huangri Port, Lvli Port, Qinghong Port, Lanyun Port and Zifei Port, as well as Dishui Lake sluice, Luchao River diversion sluice, Huangri Port sluice and Lvli Port sluice, thus forming a water conservancy system with flood control, tidal resistance and free drainage.