4.8 billion cubic meters of water was drained by the Taipu River Project,Wangyu River Project and South Diversion Project in Hangzhou,Jiaxing and Huzhou areas,which effectively relieved flood pressure on the basin.

• 太浦河、望虞河、杭嘉湖南排等工程，外排洪水48亿立方米，有效地减轻了流域的防洪压力。