Fengxiang county has a Dongfeng reservoir. Where does his water come from, where does it come from, and where does it come from?

Dongfeng Reservoir in Fengxiang County, Shaanxi Province was built in the Yellow River Basin, Weihe River System and Qishui River. There are three main tributaries above the dam site: Zhifang River, Lisanhe River and Qilihe River. The length of the main river channel above the dam site is 30.2 kilometers, and the control basin area is 365 square kilometers. The landform of the basin is divided into hilly and gully areas and plain areas, and the surface is covered with loess. The reservoir was built in Shuishui in 1966 and put into use in 1972, benefiting from this. Originated in Yongshan Mountain in the northwest of Yu Fengxiang, it flows through Fengxiang and Qishan, and flows into Weishui. After the hurricane, paint water is injected into Yangling Weihe River.