实现3个100%！大连统筹推进“三水”治理

Core Viewpoint - Dalian City has achieved significant improvements in water quality and ecological protection through comprehensive management strategies focusing on water environment, resources, and ecology, resulting in 100% compliance rates for various water quality metrics [1][2][3][4][5][6] Group 1: Water Quality Achievements - Dalian City has reached a 100% excellent rate for 13 national monitoring river sections and maintained a 100% excellent rate for 14 drinking water sources [1] - The city has implemented targeted pollution control measures, including the establishment of pollution source databases and management plans for major rivers [1][2] Group 2: Pollution Control Initiatives - The city has developed a specific management plan for total nitrogen reduction in the Revzhou River, which has been successfully implemented and is set to be replicated across other national monitoring rivers [2] - A comprehensive management scheme for river pollution sources has been initiated, including the establishment of a database for 1,983 pollution outlets [3] Group 3: Infrastructure and Treatment Capacity - Dalian's wastewater 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] - The city has constructed and upgraded wastewater treatment facilities and networks to enhance urban water quality [3][4] Group 4: Ecological Restoration and Resource Management - Dalian has prioritized ecological flow management and the optimization of water resource allocation, achieving a 100% compliance rate for ecological flow discharge in key reservoirs [4] - The city has initiated ecological restoration projects in several rivers, improving their self-purification capabilities and overall ecological health [5][6] Group 5: Biodiversity and Monitoring - A biodiversity assessment has been conducted in major rivers, providing a scientific basis for ecological protection and restoration efforts [6] - Continuous monitoring and management of water quality and ecological health are being emphasized to ensure sustainable water resource management [6]