The main canal of Lezhi section of Pi River Phase I water supply project enters from Tongmugou Village, Jin Shun Town, passes through Huanglingpu Village, Xujiaqiao Village, Lequn Village, Dagumiao Village, Mianhuawan Village, Dalinsi Village and Shimiao Village, Tianchi Town, and enters Chaoyang Reservoir, Anyue County, Shuanghe Township, passing through Lezhi County 18 townships.