Tongguan River in Fenggeling Town, chencang district enters the Weihe River mouth. According to the data released by Baoji Water Conservancy Bureau, Tongguan River Reservoir Project will be built at the entrance of Tongguan River in Fenggeling Town, chencang district, which is the only public welfare ecological water replenishment reservoir in the whole province and even the whole country. The completion of the reservoir can supplement the ecological water consumption of local sections.