Soil and water Conservation Act Article 20

With respect to the reservoir watershed that is delimited as a designated soil and water conservation area, the management authority shall establish a protection belt from the top of the water line of the reservoir to 30m or 50m from the water level. The protection belts of other designated soil and water conservation areas will be established subject to the approval of the central competent authority upon the request of the management authority based on practical need.Any private land and public land within a protection belt as mentioned in the preceding paragraph may be subject to condemnation and appropriation respectively; in the event of land already leased, the lease shall be terminated and the land re-claimed.The area above the protection belt of the reservoir watershed, as mentioned in the first paragraph, being a forest shall be designated as protection forest and governed by the applicable provisions of the Forest Act.
中文原文 水土保持法第20條
經劃定為特定水土保持區之水庫集水區,其管理機關應於水庫滿水位線起算至水平距離三十公尺或至五十公尺範圍內,設置保護帶。
其他特定水土保持區由管理機關視實際需要報請中央主管機關核准設置之。
前項保護帶內之私有土地得辦理徵收,公有土地得辦理撥用,其已放租之土地應終止租約收回。
第一項水庫集水區保護帶以上之區域屬森林者,應編為保安林,依森林法有關規定辦理。

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