This organization was established in April 1947 and was named as Hualien Engineering Office of Water Conservancy Bureau, Department of Reconstruction, Taiwan Province instituted with four sections, i.e., construction, materials, general affairs, and accounting and was supervised by a Director. In March 1957, it was reorganized and renamed as the Ninth Engineering Department of Taiwan Water Conservancy Bureau. On May 11th, 1981, Taiwan Provincial Government issued the Order No. 29605 “Organization Regulations of the Ninth Engineering Department of Taiwan Water Conservancy Bureau”. As per that order, The Ninth Engineering Department, Taiwan Water Conservancy Bureau merged The Seventh Hydrology Station and established as its Investigation Section in October, 1981.
