Safe, Efficient Use Of Water Resources In City And Assessment Method Research

With increase of population and rapid development of economic society, the phenomenon of water sources shortage, water disaster increase and aqueous environment exasperation would be continued in the long term. The efficiency of water sources utilization is low and has became to be the limited factor in modernization and economic growth.Four aspects were analyzed in this article including the safety of water sources and aqueous environment, the situation of water disaster and water sources exploitation. Based on the analyse, the safe and efficient utilization of water is emergent. The present situation and evaluation system about safety and efficiency of water sources utilization were summarized from related literatures. What's more, the measurement of safe and efficient utilization of water was advanced. The relationship between safe and efficient utilization were discussed in qualitative and quantitative. Twenty-two index in five aspects were used to evaluate the situation of water safety and efficiency in Hefei district with AHP fuzzy comprehensive evaluation model including drinking water safety, water sources utilization efficiency, aqueous entironment safety, water measurement and society economic benefit . The model results showed the safe and efficient utilization of water sources were not optimized. Protecting, saving, treating wastewater and multiple using are the guideline of water sources utilization in Hefei.