实现3个100%！大连市统筹推进“三水”治理

Core Insights - Dalian City has achieved a 100% excellent water quality rate for 13 national monitoring river sections and maintained a 100% excellent water quality rate for 14 centralized drinking water sources since the 14th Five-Year Plan began [1][2] - The city has implemented a comprehensive approach to water governance, focusing on the coordination of water environment, resources, and ecology, and has adopted specific strategies for each river [1][2][8] Group 1: Water Quality Management - Dalian has established a management mechanism for the coordinated governance of water environment, resources, and ecology, achieving expected goals in water protection, ecological restoration, and resource utilization [2] - The city has implemented precise pollution tracing for rivers, addressing issues such as livestock waste and urban sewage overflow, and has developed control plans based on pollution tracing results [2][3] - The total nitrogen reduction in the Ruzhou River has been successfully achieved ahead of schedule, with plans to replicate this success across eight national monitoring rivers in 2024 [2] Group 2: Pollution Source Management - Dalian has initiated a systematic management project for river discharge outlets, categorizing and regulating 1,983 discharge points to ensure compliance with pollution standards [3] - The city has improved industrial wastewater treatment in 14 industrial parks, ensuring that all facilities either have their own treatment systems or rely on municipal treatment plants [3][4] Group 3: Wastewater Treatment Infrastructure - The scale of wastewater treatment plants in Dalian has doubled from 124.3 million tons per day in 2016 to 248.7 million tons per day, with a centralized treatment rate exceeding 98% [4] - The city has successfully eliminated black and odorous water bodies in urban areas through systematic governance [4] Group 4: Water Resource Management - Dalian has adopted a water-saving strategy that prioritizes ecological flow management, ensuring that ecological flow discharge rates meet 100% compliance for key river sections [5][6] - The city has established facilities for the reuse of reclaimed water, achieving a utilization rate of 35% across various sectors [6] Group 5: Ecological Restoration - Dalian is actively promoting ecological restoration projects for rivers, enhancing water self-purification capabilities and improving the ecological environment [7] - The city has developed monitoring and early warning systems for algal blooms in key lakes and reservoirs, ensuring proactive management of water quality [7] Group 6: Future Goals - Dalian aims to continue its efforts in building beautiful rivers and lakes, reinforcing pollution control measures, and enhancing the management of water resources, environment, and ecology [8]