Core Insights - Dalian City has achieved a 100% excellent rate for 13 national monitoring river sections and maintained a 100% excellent water quality rate for 14 drinking water sources since the "14th Five-Year Plan" [1][2] - The city has implemented a comprehensive approach to water management, focusing on pollution control, ecological restoration, and sustainable water resource utilization [2][4] Group 1: Water Quality Management - Dalian has established a management mechanism for water ecological environment protection, achieving expected goals in water protection, ecological restoration, and resource utilization [2] - The city has implemented precise pollution tracing and established a pollution source ledger for national monitoring rivers, leading to the development of targeted management plans [2][3] - A compensation mechanism for river water quality pollution has been introduced, promoting collaborative pollution control between upstream and downstream areas [2] Group 2: Pollution Control Initiatives - Dalian has completed the comprehensive remediation of 1,983 river discharge outlets, enhancing the management of pollutant discharges [3] - All 14 industrial parks in the city have established wastewater treatment facilities, ensuring proper treatment of industrial wastewater [3] - The city's sewage treatment capacity 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% [3] Group 3: Water Resource Optimization - Dalian has developed a modern water network plan focusing on maintaining ecological flow in key rivers, achieving a 100% compliance rate for ecological flow discharge in the Qiliu River reservoir [4] - The city has established facilities for reclaimed water reuse, achieving a utilization rate of over 35% [6] Group 4: Ecological Restoration Efforts - Dalian is advancing ecological restoration projects in rivers, enhancing self-purification capabilities and improving the ecological environment [7] - The city has implemented a monitoring and early warning plan for algal blooms in key lakes and reservoirs, ensuring proactive management [7] Group 5: Future Goals - Dalian aims to continue its efforts in beautiful river and lake protection, emphasizing precise, scientific, and legal pollution control to achieve higher standards in water management [8]