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山东省沂水县跋山水库建于1960年,位于淮河流域沂沭河水系沂河中上游,是一座以防洪、灌溉、发电、养殖等综合利用的大型水利枢纽,主体工程包括大坝、溢洪道、放水洞、电站等,总蓄水5.09亿立方米,其中兴利库容2.09亿立方米。溢洪道建于1966年,包括东西溢流堰和10孔溢洪闸,下游河道安全泄量为2000立方米每秒,水库流域面积1782平方公里。
Located in the middle and upper reaches of the Yi River in the Yishu River in the Huaihe River Basin, Bashan Reservoir in Yishui County, Shandong Province is a large-scale water control project that integrates flood control, irrigation, power generation and aquaculture. Its main projects include dams, spillways, Water diversion holes, power plants, etc., with a total water storage capacity of 509 million cubic meters, of which 209 million cubic meters of storage capacity. Spillway was built in 1966, including the weir of the east and west and the 10-hole spillway floodgate. The discharge volume of the downstream river is 2000 cubic meters per second, and the reservoir drainage area is 1,782 square kilometers.