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密云水库坐落在海河流域潮白河水系上,控制流域面积15788km2,总库容43.75亿m3,为华北地区最大的水库,是一座以防洪、供水为主要功能的综合利用、多年调节的水利工程,是北京唯一的地表饮用水源
Miyun Reservoir is located in the Chaobai River system in the Haihe River Basin. The control basin covers an area of 15,788 km 2 with a total storage capacity of 4,775 million m3. It is the largest reservoir in North China. It is a water conservancy project that takes flood control and water supply as its main functions and has been undergoing years of regulation. The only source of surface drinking water