칠성저수지와 동막저수지의 완공으로 개척대마을이 몽리구역으로 책정되어 도수로에 의한 관개용수로 공급이 가능해졌다.
With the completion of the Chilseong Reservoir and Dongmak Reservoir, the Gaecheokdae Village was designated as the irrigation district, making it possible to supply irrigation water through the raceway.