- Irrigation and DrainagePlanning div
Survey, investigation, planning and R&D of irrigation and drainage ; irrigation test ; and regional drainage work survey.
- Geo-Tech Research div
Geological drilling, survey, rock and soil mechanics, engineering material test, and groundwater R&D.
- Accounting and Statistics Office
Planning, allocation, and control of annual budget ; accounting affairs ; procurement; and supervision of property settlement.
- River Planning div
Survey, investigation, planning and R&D of river regulation planning ; and investigation of coastal changes and coastal hydrology and meteorology.
- Groundwater Research Center
Planning on Groundwater and Hyporheic Flow Development and Conservation ; Technology of Groundwater hydrology ; Groundwater Monitoring Wells ; Study on Land-Subsidence Prevention and Environmental and Ecology.
- Personnel Office
Personnel management, covering organizational planning ; appointment, dismissal, promotion, transfer, performance evaluation, reward/punishment, training, continuing education and training, and attendance.
- Water Resources Planning div
Water resource investigation ; system analysis ; and the investigation , planning and R&D of water resources development plans.
- Secretariat
Document and file management, clerical affairs, cashier, property management, administration, research and evaluation and affairs not belonging to any divs.
- Civil Service Ethics Office
Prevention, detection and handling of corruption ; promotion of laws and regulations on government ethics ; and maintenance of confidential documents.
- Hydro-Tech Research div
Test and R&D of hydro-technological and mathematical models.