西北口水库位于湖北省宜昌地区葛洲坝水利枢纽上游,为黄柏河流域的骨干工程,控制流域面积862公里~2,占全流域面积的74%。水库堆石坝最大坝高95米,库容2.1亿米~3,可灌溉宜东地区良田100万亩。该工程装机16.000千瓦, The northwest mouth reservoir is located in the upper reaches of Gezhouba Hydro Project in Yichang, Hubei Province. It is the backbone project of Huangbaihe River Basin, with a controlled drainage area of ​​862km ~ 2, accounting for 74% of the total drainage area. The dam height of reservoir rockfill dam is 95 meters and the storage capacity is 210 million meters ~ 3, which can irrigate 1 million mu fertile farmland in the east of Yi River. The project installed 16.000 kilowatts,