Zhutuo Station is one of the most important hydrometry stations on the upper Yangtze Rive. In July 2012, the maximum flood occurred at the Zhutuo Station since 1954, which is was also the largest inflow into the Three Gorges Reservoir. Because of the precise and timely forecast information, dozen thousands of residents had been evacuated without any casualty and there were minimum losses in the such as Zhutuo and Jiangjin. The flood forecasting at the Zhutuo Station have played very important role in the flood control for Chongqing City.