见证河湖蝶变·共建美丽山丨一泓清水润肥城：康汇河“重生”记

Core Viewpoint - The article highlights the successful ecological restoration and water quality improvement of the Kanghui River in Feicheng, Shandong Province, showcasing it as a model for beautiful river and lake protection in China [1][4]. Group 1: Ecological Restoration Efforts - A systematic ecological restoration campaign was initiated to address the pollution of the Kanghui River, which had suffered from industrial and domestic wastewater, leading to a severe decline in water quality [4]. - The local government made significant efforts to control pollution by shutting down 535 small and polluting enterprises and relocating three large chemical companies [4]. - An investment of 5.5 billion yuan was made to enhance wastewater treatment capacity and establish a comprehensive sewage treatment system [4]. Group 2: Water Resource Management - To combat water scarcity, the city innovatively repurposed treated wastewater from sewage treatment plants into a reliable ecological water source [4]. - A new high-quality reclaimed water plant was constructed with an investment of 260 million yuan, capable of producing 60,000 tons of reclaimed water daily [4]. - This reclaimed water facility provides over 21 million cubic meters of high-quality water annually, significantly conserving precious underground water resources [4]. Group 3: Environmental Improvements - A total investment of 470 million yuan was allocated for shoreline restoration and the establishment of wetlands, including a national wetland park [7]. - Activities such as "fish stocking" were implemented to create a symbiotic ecosystem of "water-grass-fish," enhancing water quality through biological means [7]. - The water quality of the Kanghui River improved from a grade of V to grade III, with increased natural shoreline and biodiversity, transforming it into an ecological corridor and urban recreational area [7]. Group 4: Monitoring and Management - The establishment of the "碧水" smart monitoring platform allows for comprehensive management of pollution sources and water quality through automated monitoring stations and video surveillance [7]. - This full-chain management approach ensures the long-term maintenance of water quality improvements in the river [7].