太湖流域地处长江下游三角洲,气候湿润,雨量充沛,土地肥沃,流域地势平坦,河湖相串,纵横交错,河网水面比降又小,因而在太湖流域综合治理规划设计施工中,对高程的要求比较严格。但是,太湖流域水准网是在五十年代初,由水利部门组织实施 Taihu Lake Basin is located in the lower reaches of the Yangtze River Delta, humid climate, abundant rainfall, fertile land, the basin flat terrain, rivers and lakes in series, criss-cross, river network surface water drop and small, so in the comprehensive management of Taihu Lake Basin planning and design, The more stringent requirements. However, the standard network of Taihu Lake Basin was organized by the water conservancy department in the early 1950s