目前,我国严峻的水资源问题已经成为实现小康社会战略目标的突出瓶颈,成为可持续发展的主要制约因素。2011年中央“1号文件”——《中共中央国务院关于加快水利改革发展的决定》将水利建设提升到“国家安全”的战略高度。北京已经步入建设世界城市的新阶段,但由于水资源自然禀赋不足,人口过度集中,水务基础设施建设滞后,水资源管理制度不尽完 At present, the serious water resources problem in our country has become a prominent bottleneck in realizing the strategic goal of a well-to-do society and has become the major constraint on sustainable development. In 2011, the Central Government, “Document No. 1” - “Decision of the CPC Central Committee and the State Council on Accelerating the Reform and Development of Water Conservancy” raised the level of water conservancy to a strategic level of “national security.” Beijing has stepped into a new phase of building a world city. However, due to the natural endowment of water resources, the over-concentration of population, the lag of water infrastructure construction and the imperfection of water resources management system