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上海地处长江和太湖流域下游的平原三角洲河网地区,虽然水系发达,水资源丰富,但由于种种原因,水污染较为严重。据近期水资源普查结果显示,本市河道水质已没有Ⅰ类水,Ⅱ类、Ⅲ类水仅占1%,Ⅳ、Ⅴ类水占30%;劣于Ⅴ类的水却占69%,已被国家列入全国水质型缺水城市之一。为切实保护和改善水环境,缓解城市供水矛盾,促进上海经济和社会的可持续发展,在2001年5月“上海市全国城市节约用水宣传周”动员会上,上海市水务局张嘉毅局长提出了力争年内创建全国首批节水型城市的目标。合理的水价体系是利用经济杠杆作用促进节
Shanghai is located in the plains delta region of the lower reaches of the Yangtze River and Taihu Lake basins. Although developed water systems and abundant water resources, water pollution is more serious due to various reasons. According to the results of the recent census of water resources, no Grade I water has been found in the water quality of the city’s rivers, only 1% of Grade II and Grade III water, 30% of Grade IV and V water, 69% of water inferior to Grade V, It is listed as one of the national water quality cities by the state. In order to effectively protect and improve the water environment, alleviate the contradiction between urban water supply and promote the sustainable development of Shanghai’s economy and society, at the mobilization meeting of Shanghai Municipality on Water Conservation Week in May 2001, Director Zhang Jiayi of Shanghai Water Authority Put forward the goal of creating the first batch of water-saving cities nationwide during the year. Reasonable water price system is the use of economic leverage to promote section