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建国以来,我国共建成各类水库82700多座,其中大型水库350座,中型2400多座;国家管理的5600多座。这些水库,在防洪、发电、灌溉、工业和城市生活供水、水产养殖等方面,发挥了巨大效益。据不完全统计,仅国家管理的水库,有效灌溉面积就达8900多万亩,年发电量超过60亿度。但是,在大跃进年代和“文革”期间兴建的一些水库,由于设计施工缺乏科学态度,质量较差,隐患较多。有的坝体出
Since the founding of the People’s Republic, a total of more than 82,700 reservoirs have been built in our country, of which 350 are large reservoirs and 2,400 are medium-sized ones. Over 5,600 are under state management. These reservoirs have exerted tremendous benefits in flood control, power generation, irrigation, industrial and urban life water supply and aquaculture. According to incomplete statistics, only state-managed reservoirs have an effective irrigated area of more than 8900 mu and an annual generating capacity of more than 6 billion kilowatt-hours. However, some reservoirs built during the Great Leap Forward and “Cultural Revolution ” lack of scientific attitude because of their poor design and construction, and they have more hidden dangers. Some dam out