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美国地理位置虽东临大西洋、西靠太平洋,但从降水上看是东部湿润、西部干旱,水资源的总体配置并不平衡,因而兴修多处蓄水工程和调水工程。水利工程一般都具有综合效益和公益效益,但与其他基础产业相比,表现突出的还是社会效益和环境效益,直接经济效益相对较低。因此,与其他基本建设相比,美国政府对待水利工程(特别是大型水利工程)建设资金的来源给予了更多的优惠政策,资金的主要来源是:第一,由联邦政府提供拨款和长期低息贷款。特别对防洪、环境保护、相对缺水地区和经济滞后地区(如西部印第
Although the United States is located in the Atlantic Ocean in the east and the Pacific Ocean in the west, it is humid in the east and arid in the west in view of its precipitation. The overall configuration of water resources is not balanced. Therefore, many water storage projects and water diversion projects have been built. Water conservancy projects generally have comprehensive benefits and public benefit, but compared with other basic industries, the outstanding performance is social and environmental benefits, and direct economic benefits are relatively low. Therefore, compared with other capital construction, the U.S. government has given more preferential policies to the sources of construction funds for water conservancy projects (especially large-scale water conservancy projects). The main sources of funds are: First, the federal government provides funding and long-term low Interest loan. Especially for flood control, environmental protection, relative water shortage areas and economically retarded areas (such as Western India