Constraint of Water Resources and Countermeasures for Local Sustainable Development of Xi'an

With tremendous pressure of population on natural resources and environment, sustainable utilization of water resources is one of the key problems that is to be solved urgently with the development of XiŽan, which is one of important cities in west China. Based on sufficient data such as hydrometrical data and yearbook statistical data, an analysis of current situation of water resources in XiŽan city has been done. Furthermore, the paper examines various factors that contribute to the shortage of water resources in XiŽan city, those are: lack of water resources, excessively rapid urban development, aggravated situation of waste water and pollution. Finally, countermeasures of the sustainable utilization of its water resources are put forwards.