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故县水库位于黄河支流洛河中游峡谷区,距下游的洛阳市165公里,是一座以防洪为主,兼顾灌溉、发电、供水等综合利用的大型水利枢纽工程,为黄河中下游防洪体系重要配套项目之一。洛河是黄河三门峡至花园口区间(简称三花间)的主要支流,河道全长约400公里,流域面积11890平方公里,占黄河三花间流域面积的28.5%。故县水库控制流域面积5370平方公里,占洛河总流域面积的45%,占三花间流域面积的13%。故县水库属峡谷型水库,库
Therefore, the county reservoir is located in the middle reaches of the Yellow River, Luohe middle reaches of the gorge area, 165 km from the lower reaches of Luoyang City, is a flood-based, taking into account irrigation, power generation, water supply and other comprehensive utilization of large-scale water control project, One of the projects Luohe River is the main tributary of the Sanmenxia to Huayuankou section of the Yellow River (shortened as Sanhuajian), with a total length of about 400 kilometers and a basin area of 11,890 square kilometers, accounting for 28.5% of the basin area of the Sanhua River. Gu County reservoir control basin area of 5370 square kilometers, accounting for 45% of the total drainage area of Luohe, accounting for 13% of Sanhuajian basin area. Gu County reservoir is a gorge reservoir, reservoir