Water Act Article 69

Where the storage or drainage of water causes damages to up or downstream riparian landowners, the person who causes the damages shall be liable unless the damages are caused by a force majeure event.
中文原文 水利法第69條
實施蓄水或排水,致上下游沿岸土地所有權人發生損害時,由蓄水人或排水人,予以相當之賠償。
但因不可抗力之天災所發生之損害,不在此限。

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