淮河流域地跨豫、皖、苏、鲁叫省,有182个县(市),地处我国腹地,是东西南北的交通要道,重要的粮棉生产基地。据1980年淮河流域水资源调查:面积26.9万平方公里,有1.88亿亩耕地,1.27亿人口。流域内有淮河、沂河、沭河、泗河四大水系,有较大交流50多条,建有大中小型水库5200多座、水闸4200多座。保护好淮河流域的水资 The Huaihe River Basin stretches across Henan, Anhui, Jiangsu and Shandong Provinces and has 182 counties (cities). It is located in the hinterland of China and is an important traffic thoroughfare and an important grain and cotton production base in the east, the south, and the north. According to the survey of water resources in Huaihe River Basin in 1980, it covers an area of ​​269,000 square kilometers with 188 million mu of arable land and 127 million inhabitants. The basin has the Huaihe, Yihe, Shuhe, Sihe four major river systems, a greater exchange of more than 50, has built more than 5200 Dazhong Xiao reservoir, sluice more than 4200. Huaihe River Basin to protect the water