In order to respond to the growth in water consumption, southern Taiwan should have had a reservoir built in 1985. Back then, Meinung and Machia passed the technical assessment. In the end, Meinung was chosen because of lower costs.
為因應台灣需求水量的成長，南部應該在一九八五年就要興建水庫，當時通過技術上評估的有美濃和瑪家，最後美濃以成本較低而雀屏中選。