After the founding of the people's Republic of China, Jiangsu began to build flood control projects on a large scale, and put forward the planning report of Yi, Shu and Si River basins, which opened up the new Yi River, new Shu River and Picang spillway. The central canal was expanded and renovated, and Luoma Lake and Shiliang river reservoir were built. The excavation of huaishuxin river has realized the connection of Yi, Shu and Sishui systems with Huaihe River system, and the treatment project to the west of Weishan Lake has been fruitful.
Haikou junction of Xinyi River
Zhangshan sluice reinforcement project is an important part of the project of flood diversion from east to south of Yishusi River, with a design flow of 8000m3 / s. In 2010, it won the China water conservancy project quality (Dayu) award, and in 2011, it won the national excellent water conservancy and hydropower Copper Award for engineering survey and design.
In 2012, the new Yihe River Regulation Project of Yishusi river east transfer South continued construction won the China water conservancy project quality (Dayu) award, and in 2013, the national excellent water conservancy and Hydropower Engineering Survey and Design Award Silver Award.