Group 1 - Heavy rainfall occurred in Chongqing from August 10 to 12, with some areas experiencing extreme downpours, prompting immediate action from local authorities to ensure public safety [1] - Over 3,000 personnel, 800 vehicles, and 700 drainage equipment units were organized by the Chongqing municipal and district construction systems to prepare for the flooding, inspecting 2,435 kilometers of drainage networks and clearing over 2,100 drainage grates [1] Group 2 - The Hechuan District utilized a grassroots intelligent governance system to enhance emergency response efficiency, achieving real-time monitoring and direct command capabilities during the flooding [2] - In Xiaomian Town, 11 warning messages were sent to 8,505 residents, and a 30-member emergency team was formed, primarily consisting of veterans and strong local residents [2] - During the rainfall, Hechuan organized 12 geological engineers and 436 community monitoring personnel to inspect 439 geological hazard points and 12 high-risk areas [2] Group 3 - Pengshui County, with 548 geological hazard points, prioritized the safety of residents by evacuating vulnerable groups in response to the extreme rainfall forecast [3] - Prior to the rainfall, three teams were deployed to remote areas to ensure the safety of elderly and disabled individuals, with 37 households and 97 individuals evacuated and temporarily housed in a clean and well-stocked shelter [3] - After the rain subsided on August 12, the community returned to a peaceful state, highlighting the effectiveness of the emergency response measures [3]