Comprehensive Assessment of Water Quality in Baoji’s Major Rivers

To understand the water pollution situations of Baoji City in recent years,with the Weihe River and the three main tributaries of Weihe River as Qing Jiang River,Shiba Rivers,Jinling River four rivers as the research object,according to the data from 15 monitoring sections,the integrated pollution index method is used to four rivers water quality evaluation.The conclusions is obtained:All the rives were slightly polluted in 2007,Qing Jiang River,Shiba River and Jinling River are judged as slightly polluted,Weihe River is moderate pollution in 2008.And pollutions of all rives is rising 2008 than 2007.