Water Supply Act Article 55
When a water supply enterprise discovers that the water it supplies is not sanitary, it shall issue warnings on the local newspapers or announce it by other means. The water supply enterprise shall also extensively notify the related parties and remedy the situations at the same time. If the sanitary problem is serious enough to harm the health of users, the water supply enterprise shall promptly report it to the municipal or country (city) authority for permission to stop the water supply.Any person who discovers that tap water is not sanitary or harmful to the human health should promptly notify the water supply enterprise to take actions.
中文原文 自來水法第55條
自來水事業發覺其所供給之水，有礙衛生時，應將使用該水之危險，登載當地報紙，或以其他方法予以公告，並普遍通知關係人，同時應立即改善；如情形嚴重妨害人體健康時，應即報請直轄市或縣（市）主管機關核准停止供水。
凡發覺自來水有礙衛生或妨害人體健康者，應迅即通知該自來水事業予以處理。
凡發覺自來水有礙衛生或妨害人體健康者，應迅即通知該自來水事業予以處理。