卫河,自古以来都存在着水量夏丰冬枯的季节性特征,这种盈缺的巨大反差,给生产,特别是过去的漕运事业带来了不利影响。所以,如何补充水源,使水量均衡稳定,成为历代亟需解决的一个重大课题。特别是20世纪80年代初,新乡市区有171个工矿企业和新乡县20多个小造纸,小化工的生产废水和40多万人生活污 Wei River, since ancient times, there is a seasonal pattern of the amount of summer floods, the huge contrast between the surplus, to the production, especially in the past brought adverse impact on the water transport. Therefore, how to replenish the water and make the water balance stable has become an urgent issue that needs to be solved urgently. Especially in the early 1980s, there were 171 industrial and mining enterprises in Xinxiang urban area and more than 20 small-paper-making and small-chemical production wastewater and more than 400,000 domestic sewage in Xinxiang County