Mopanshan Reservoir, located in Wuchang City in the first tributary of Songhua River Lalin River upstream of the main stream of Shahezi Town Shenjiaying Village, 180 kilometers away from the Harbin urban area. Mopan mountain reservoir, reservoir area of 28 square kilometers, water source basin area of 1151 square kilometers. The designed storage capacity of the reservoir is 523 million cubic meters, and it can supply 337 million cubic meters of drinking water to the urban area of Harbin.