Sewerage Act Article 28

The sewerage institution shall immediately correct situations where the effluent to the sewer exceeds the Effluent Standards stipulated by the competent authority in charge of water pollution control.
中文原文 下水道法第28條
下水道排放之放流水,超過水污染防治主管機關規定之放流水標準者,下水道機構應即改善。

English translation for reference only; the Chinese text prevails. Not legal advice.