Water Pollution Control Measures and Test Reporting Management Regulations Article 38

Enterprises or sewage systems that remove or transport wastewater or sewage to a place outside the work environment using barrels, tank trucks or other non-pipe means or ditches shall set up storage facilities in the work environment to store the wastewater or sewage that has not been removed or transported.Storage facilities for collection of landfill leachate, water pumping facilities, and intercepting ditches for runoff wastewater shall be set up in case of landfill leachate recirculation to its surface.
中文原文 水污染防治措施及檢測申報管理辦法第38條
事業或污水下水道系統以桶裝、槽車或其他非管線、溝渠,清除、運送廢(污)水,至作業環境外者,應於作業環境內設置貯留設施,貯存尚未清除、運送前之廢(污)水。
廢棄物掩埋場將滲出水返送至掩埋面者,應設置收集滲出水之貯留設施、抽水設施及逕流廢水之截流溝。

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