Water Pollution Control Measures and Test Reporting Management Regulations Article 6

When a natural disaster or emergency occurs, enterprises or sewage systems shall treat wastewater or sewage in accordance with the order of the competent authority.
中文原文 水污染防治措施及檢測申報管理辦法第6條
天然災害或緊急事故發生時,事業或污水下水道系統應依主管機關之命令處理廢(污)水。

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