Jiang Pinghua, the general manager of JiangheGangwu Water Resources (Changzhou) Co., Ltd. introduced that the expansion construction of Gehu Lake reserve water source will be completed this year and put into operation next year. The project adopts the ozone-activated carbon treatment technology. Then, once some questions occur in the main water source of the Yangtze River, the Gehu Lake water will be switched to use immediately, which further improves the emergency response and support capabilities of the regional water supply.