이곳에 제방을 쌓고 사천만으로 방수로를 뚫어 남강 하류의 홍수를 방지하자는 주장은 조선시대부터 있었다.
It has been argued since the Joseon Dynasty that a levee was built here and a spillway was drilled into Sacheonman Bay to prevent flooding down the Namgang River.