由长江水利委员会三峡水文局设计、承建和管理的泄洪闸上水位站 ,2 0 0 2年 5月 1日正式投入工程水位观测 ,并及时向三峡开发总公司梯调中心提供适时水位数据。该水位站水位自动测报系统运行正常 ,监测数据精确无误。长江三峡工程大坝上围堰 5月 1日 9:0 0破堤 ,基坑进水。11:3 The Floodgate Upper Water Level Station, designed, constructed and managed by the Three Gorges Hydrology Bureau of the Yangtze River Conservancy, was formally put into operation on May 1, 2002 to provide engineering water level observations and timely provide timely water level data to the Three Gorges Development Corporation staircase center. The water level automatic water level reporting system is operating normally, the monitoring data is accurate. Yangtze River Three Gorges Dam cofferdam May 1 9: 0 0 breakwater, foundation pit water. 11: 3