All this was exacerbated by the influx of agricultural wastewater, which only quickened the disappearance of the lake's bountiful plant and animal life. It was then that the townspeople were shocked to find they had "lost" Tapo Lake.
加上農業廢水流入，更加使得大坡池豐富的生物一一消失，池上鄉民才驚覺，他們已將大坡池「遺失」了。