汾河中游核心区干流蓄水工程是汾河流域生态修复工程的重要基础部分,建设范围始于汾河二坝,止于文峪河入汾河口,途经太原、晋中、吕梁3市5县(市),全长82.2 km。工程通过在河道内设置蓄水闸坝,向堤外湿地补水,利用雨洪资源,增大水域面积,增强河道水体的自净能力,改善生态环境。2015年12月,省水利厅以水规计[2015]570号文批复了《汾河流域生态修复中游核心区干流蓄水工程实施方案》,批复总投资82 533万元。批复的主要建设内容包括:在治理段干流上布设蓄水闸坝15座,修建湿地进水 The middle reaches of the Fen River core area of ​​the mainstream water storage project is an important foundation for the Fenhe River Basin Ecological Rehabilitation Project, the construction scope of the Fen River dam, ending in Wenyu River into the Fenhekou, via Taiyuan, Jinzhong, Luliang 5 cities and 5 counties (City), a total length of 82.2 km. Through setting up sluice dam in the river channel and replenishing water to the wetland outside the embankment, the project uses rainwater and flood resources, increases the area of ​​water area, enhances the self-purification capacity of river water bodies and improves the ecological environment. In December 2015, the Ministry of Water Resources approved the implementation plan of mainstream water storage project in the core area of ​​ecological restoration in Fenhe River Basin with the regulation of Water Regulation [2015] 570 and approved a total investment of 823.33 million yuan. The main contents of the approval include: setting up 15 dam sluices on the main stream of the administrative section to build a wetland water inflow