The proposed dam site of Hongyudong Reservoir is located in Hongyudong, Qiaoting Township, Nanjiang County, which is 19 km away from Nanjiang County. The average annual inflow at the dam site is 266 million cubic meters, the planned dam height of the reservoir is 96 meters, the main canal is 220 kilometers, and the total storage capacity is1.90 million cubic meters. It is a large-scale flood control irrigation project with comprehensive benefits of water supply, ecology and power generation. The area of flooded farmland in the reservoir area is 1.875 mu, the relocated population is 1.802 people, 467 households are 8 1.632 square meters, and the roads are diverted 1.4 km.