南水北调东线工程黄河以南段输水干线水质状况前景分析

南水北调东线工程大多是利用现有的湖泊和河道进行凋蓄和输水，目前这些湖泊和河道的水污染问题突出，社会各界对南水北调东线一期丁程的治污及其未来效果极为关注。将2002—2003年东线工程输水干线水量、水质资料与东线治污规划成果相结合，比较分析东线工程沿线特别是南四湖地区的治污前景，在切实保证东线治污规划有效发挥作用的前提下，东线工程的北调水质有望实现全线Ⅲ类水质目标。

Water Quality in Main Canal Along the South Sections of the Yellow River in the East Line of SNWT

Many projects of the east line for SNWT use the existing lakes and river channels to regulate, store and transport water, but at present all these lakes and rivers are heavily polluted. Thus waste treatments of the water body cause much eoncerned hy the various levels along the east lines. Based on the water volume and quality of the main canal, considering waste treatment plan of the east line, the paper analyzes the prospect treatments along the east line particularly in the south four-lake regions. As long as effectively implements the treatment plan, water quality surely can reach the grade 3 quality criterion in the east lines.