Monitoring of Drinking Water Quality in Urumchi in 2004

Objective To understand the drinking water quality of Urumchi city and to provide the information for drinking water safety. Methods The water samples were collected from the water sources, the water plants and the tap water each month in whole city in 2004, then the water quality analysis and evaluation were conducted. Results The qualified rates of water from the water plants and tap water were 95.0%, 95.1% respectively, and according to The Source Water Quality Standard for the Drinking Water, all of the water samples from the water sources were up to standard. Conclusion The turbidity and residual chlorine are the main causes decreased the qualified rate of drinking water in Wurumchi in 2004.