Study on the Problems and Their Mechanisms of Water Environment in Xinjiang

This paper analyzes the problems and trends of water environment and mechanisms of the problems by Ridit Analysis and other qualitative and quantitative analysis methods with water monitoring data and economical data in Xinjiang in 2001-2006. The results show: (1)water qualities of rivers of Xinjiang are slightly pollution and that of Northern is more serious than that of southern in Xinjiang, and water qualities of rivers far from urban are better than those across urban. The trend of water quality change of river is stable in 2001-2006. (2) Water qualities of lakes and reservoirs are middle level pollution, and water quality of lakes is better than that of reservoirs. The trend of water quality change of lakes and reservoirs are stable. (3) Water qualities of drinking-water source are good totally and its trend of changes is stable. Quality of groundwater of Urumqi city is badly, and its trend of changes is stable. The main reasons leading to water environment problems are: (1) industrial structure are heavy that cause larger pollution water.(2) Economy of Xinjiang is in the Stage of rapid developing that requires excess water. (3)Urban infrastructure is weak. (4) Pollution of rural is heavy, and (5) protractions of drinking-water source is not well.