- Compilation and operation of waterworks project special account budget
- Contacts and closing of waterworks project special account
- Management of public assets and items
- Business planning and reporting
- Other matter regarding operation of the office
- Establishment and implementation of the basic water quality management plan for raw water and treated water
- Process control of the water treatment plant, research and improvements
- Safety management of water treatment chemicals and chlorine gas
- Post management of ISO 14001
- Operation of wastewater treatment facility and public relations regarding the plant
- Establishment and implementation of mechanical and electrical equipments
- Maintenance of water treatment facilities (mechanical and electrical)
- Maintenance of distribution reservoirs
- Maintenance of MCC room and management of electricity safety
- Operation and maintenance of control room
- Establishment and implementation of the maintenance plans for water intake, treatment and supply facilities
- Safety inspection and maintenance of facilities
- Extension and maintenance of waterworks facilities
- Maintenance of water conveying pipes and supply pipes
- Inspection and maintenance of distribution reservoirs facilities