广东中山市推进水污染治理攻坚战 碧波复绕岭南水乡（美丽中国）

Core Viewpoint - Zhongshan City in Guangdong has made significant progress in water pollution control over the past four years, leading to improved water quality and economic development [1]. Water Pollution Control - Zhongshan has constructed 7,000 kilometers of new sewage pipelines and increased sewage treatment capacity by 1.02 million tons per day [1]. - The water quality index has improved by 55.8% compared to 2021, with all major rivers eliminating Class V water quality [1]. - The city has invested over 50 billion yuan in water economy projects, restoring 18,000 acres of riverbank space [1]. - The city employs a comprehensive approach to water management, including sediment removal, pollution interception, and targeted strategies for specific river basins [4][5]. Industrial Upgrades - Over two-thirds of polluting enterprises were located in inefficient industrial parks, which have been restructured, with over 50,000 acres of low-efficiency industrial land cleared [5]. - Zhongshan has established 25 "environmental common industrial parks" for concentrated production and management of specific industries, achieving a daily sewage treatment capacity of 13,000 tons [6]. Integrated Water Management - The city has implemented a factory-network integration management system, enhancing the efficiency of sewage collection and treatment [9]. - The management model now emphasizes long-term benefits, integrating rainwater and sewage management, as well as supply and drainage systems [9]. Economic Development - Improved water quality has led to increased community engagement and economic activities, with new projects being developed along riverbanks [10][11]. - The GDP of Zhongshan is projected to reach 414.325 billion yuan in 2024, with continued growth expected in 2025 [11].