抚顺市区段地表水变化及水质污染影响分析

Analysis of quality trend of Grounder water in FuShun and Pollution Factors

根据多年的监测资料分析,20多年来抚顺市区段地表水污染状况总体上呈下降趋势。支流水质质量主要受周边工业污染及居民棚户区生活污染的影响。市区段干流水质质量受支流影响较大,一半以上的COD、BOD5来自7条主要支流,其次是干流两岸各类污水直接排入的影响。另外浑河是一条季节河,枯、丰水期水流量相差很大,对干流水质质量受影响也比较大。

A cording to monitoring data resent two decade , ground water quality in FuShun shows descending trend during two decades . water quality along HunHe＇s seven anabranch in FuShun section was contaminated seriously by industry wastewater and domestic wastewater thereby the seven anabranch se4rously effected on HunHe water quality , a half of COD and BOD5 in HunHe come from the mentioned seven anabranch.