Core Insights - The Datiangxia Water Conservancy Project has reached a normal water level of 61 meters for the first time in 2025, enhancing its role as a key control project in the watershed and alleviating flood pressure downstream in the Xijiang River [1][6] - The project has effectively stored over 500 million cubic meters of floodwater during recent heavy rainfall events caused by Typhoons "Bolaven" and "Mekdil," ensuring flood safety in the region [3][6] Group 1 - The Datiangxia reservoir's water resource regulation capacity has reached 1.5 billion cubic meters, indicating the comprehensive benefits of flood control, navigation, power generation, and irrigation [6] - The project utilizes a digital twin system for precise flood management, which has contributed to effective floodwater storage and downstream flood mitigation [3][6] Group 2 - The reservoir's current water level supports water resource allocation for the Guangdong-Hong Kong-Macao Greater Bay Area, ensuring sufficient water supply during dry seasons [1][6] - The project balances multiple water usage demands, including flood control, navigation, ecology, and power generation, while gradually increasing water levels post-flood [3][6]