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一、北京城市河湖水系慨况北京市河流均属海河水系,市区河道基本分属于清河、坝河、通惠河、凉水河四条水系。共有河沟86条、总长581.01公里,流域面积1230平方公里,湖泊24处面积597公顷,共有水工建筑物约200座。官厅、密云水库常年向北京城市输水,担负着生活饮用
First, the Beijing urban rivers and lakes situation Beijing rivers are the Haihe River, the urban river basic points belong to the Qinghe, dam rivers, Tonghui River, Liangshui four river systems. A total of 86 river valleys, total length 581.01 kilometers, the basin area of 1230 square kilometers, lake area of 597 hectares, a total of about 200 hydraulic structures. Guanting, Miyun Reservoir perennial water to the Beijing city, responsible for drinking