Enforcement Rules of Sewerage Act Article 16
In areas in which the stormwater and sanitary sewers are separated, the stormwater may not be drained off into the sanitary sewer, whereas household and industrial wastewater may not be drained off into the stormwater sewer.
中文原文 下水道法施行細則第16條
雨水及污水下水道分流地區，雨水不得排洩於污水下水道，家庭污水及事業廢水不得排洩於雨水下水道。