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小浪底水库位于三门峡下游130km,是黄河干流上最后一个峡谷水库,是一座以防洪、防凌、减淤为主,兼顾供水、灌溉、发电的综合利用的水利枢纽工程,总库容126.5亿m3,长期有效库容51亿m3。该水库投入运用后,黄河下游堤防防洪标准由建库前的60年一遇提高到千年一遇,防洪形势明显改观。但是,在下游防洪总体水平显著提高的同时,与经济社会发展对治黄工作的要求相比,仍然存在一些重大问题。
Located at 130km downstream of Sanmenxia Reservoir, Xiaolangdi Reservoir is the last gorge reservoir on the mainstream of the Yellow River. It is a water conservancy hub project mainly focusing on flood control, anti-flood and siltation, taking into account the comprehensive utilization of water supply, irrigation and power generation with a total storage capacity of 12.65 billion m3 and long-term effectiveness Storage capacity of 5.1 billion m3. After the reservoir was put into operation, the embankment flood control standard in the lower Yellow River increased from once every 60 years before the establishment of a reservoir to once in a thousand years, and the flood control situation has obviously changed. However, while the overall level of flood control in the downstream has been significantly raised, some major problems still remain in comparison with the requirements of the Yellow River Peninsula for economic and social development.