Water Act Article 46

The construction, alteration, or removal of any of the following structures for a water work shall have the prior approval of the authority-in-charge:1. flood control structure;2. water conveying structure;3. reservoir structure;4. drainage structure;5. ground water extraction structure;6. navigation related structure;7. hydro-power related structure; and8. other hydraulic structures.For construction or alternation of any structures enumerated above, the proprietor shall submit detailed plans, drawings, and descriptions for the approval of authority-in-charge. Where it is necessary to amend or alter the approved plans or drawings due to special circumstances, the proprietor shall show cause and submit the modified plans or drawings for approval to effect the alteration. However, for the sake of hazard prevention or temporary relief, the proprietor may proceed with change of plan without prior approval and file with the authority-in-charge afterwards.The authority-in-charge may issue an order of alteration or demolition of any hydraulic structure built without its prior approval.
中文原文 水利法第46條
興辦水利事業,關於左列建造物之建造、改造或拆除,應經主管機關之核准:
一、防水之建造物。
二、引水之建造物。
三、蓄水之建造物。
四、洩水之建造物。
五、抽汲地下水之建造物。
六、與水運有關之建造物。
七、利用水力之建造物。
八、其他水利建造物。
前項各款建造物之建造或改造,均應由興辦水利事業人備具詳細計畫圖樣及說明書,申請主管機關核准。
如因特殊情形有變更原核准計畫之必要時,應由興辦水利事業人聲敘理由,並備具變更之計畫圖樣及說明書,申請核准後為之。
但為防止危險及臨時救濟起見,得先行處置,報請主管機關備案。
未經主管機關核准而擅行施工之水利建造物,主管機關得令其更改或拆除。

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