| Comprehensive Planning Division |
Water resources policies and laws,organizational planning,climate change,water resources industry,sustainable development of water resources,management and review of administrative plans,development of water resources technologies, and international cooperation |
| Hydrology Division |
Hydrological observations of surface water, groundwater, and coastal water, prevention and treatment of land subsidence, and development of deep-sea water technologies |
| Water Resources Management Division |
Water resources development, management, and regulation |
| River and Coast Division |
River and drainage improvement, coast protection, flood mitigation planning, and river environment improvement |
| Conservation and Utility Division |
Reservoir storage area management(including protection buffer zone), water saving, administration of hot spring enterprises, water supply enterprises; Planning, conservation, compensation, management, and supervision of regions dedicated for water quality and quality protection |
| Construction Division |
Water engineering works, supervision, construction management,and regulation |
| Water Administration Division |
Water laws and regulations, water rights registration, and managements of rivers, drainages, and coastal dikes |
| Land Management Division |
Construction land acquisition, water resources land user management, and spatial planning for water environment plan |
| Water Disaster Mitigation Division |
Flood and drought disaster mitigation and relief |
| Information Office |
System management and information service |
| Secretariat |
Administrative and general affairs, disbursements and receipts, and supervision and review of administrative procedures |
| Personnel Office |
Development of organizational systems, personnel employment and discharge, reward and discipline , and welfare affairs management |
| Budget, Accounting and Statistics Office |
Preliminary budget, estimation and planning, settlement of accounts, and statistics of revenues and expenditures |
| Civil Service Ethics Office |
Prevention and investigation of government ethics violation,general government ethics |