Even more frustrating for the WCB is that they are not only fighting the waves from without. Along the coast of southwestern Taiwan, the aquaculture industry operating inside the dikes draws out the ground water, causing the land surface to collapse and hastening the sinking of the dikes.
讓水利局更為之氣結的是，堤防應付外浪已力未有逮，在西南海岸，堤裡養殖業超抽地下水，更加速海堤下沈。