Xx Reservoir in Dunhua City, Jilin Province is located in the southeast of Dunhua City, Jilin Province, 3km away from Dunhua City, and is located at the lower reaches of Xiaohuanggou River, a branch of Mudanjiang River. The total reinforced storage capacity of the reservoir is 7.07 million m3, which is a small (I) reservoir mainly for flood control irrigation, combined with tourism, fish farming and other comprehensive utilization. The reservoir hydroproject consists of construction works, metal structure works, temporary works, etc.