According to the local monitoring data of Xiangiiang River in Zhuzhou city from 2001 to2005, seventeen main pollutants including permanganate index, BODs, NH3 -N, Cu, Zn, fluoride, Se, As, Hg, Cd, Cr^6+, Pb, cyanide, volatilization hydroxybenzene, petroleum, anion surfaetants, and sulfide were selected to assess the water quality of Xiangjiang based on pollution index method. The result showed that the total pollution indices decreased from 5.67 in 2001 year to 4. 67 in2005 year, indicating the whole water quality of Xiangjiang river in Zhuzho...