Wu Feng-shuai notes that there is a considerable volume of wastewater, and 95 % of it can be reclaimed after tertiary treatment, greatly reducing demand for tap water. As a result, this water can be recycled indefinitely.
吳豐帥指出，由於污水的水量可觀，經三級處理後可以回收約 95 %，大大降低自來水需求量，也使得這部分的水可不斷的循環使用。