- General affairs, budget, accounting and asset management
- Establishment and research on water quality management and comprehensive water quality improvement plans
- Operation of Water Assessment Committee
- Matters regarding water quality management symposium
- Operation and management of KOLAS
- Operation of Laboratory Information Management System (LIMS)
- Matters regarding water data management and publication of test results
- Matters regarding operation of wastewater treatment facilities
- Establishment and research on the water quality protection plans for water sources
- Operation of algae warning system and lake environment surveys
- Matters regarding the water quality monitoring by the Ministry of Environment
- Matters regarding the management, measures and research on treated water quality
- Matters regarding the weekly water test and guidance for water treatment plants
- Matters regarding the quality test of water treatment chemicals and guidance on the use
- Matters regarding the operation of water treatment process models
- Matters regarding the operation of water environment changes (dry season, etc.)
- Implementation of water research projects, training of water management staffs and operation of seminars
- Establishment of water analysis expansion plans
- Precise water quality analysis
- Matters regarding the QA & QC assurance of water quality test
- Matters regarding the designation and operation of Protozoa examination institute
- Matters regarding the research on water quality management and measures during the supply process
- Matters regarding the water quality examination at the taps
- Matters regarding the monitoring by supply process and the water quality test in the deteriorate water pipe area
- Water quality test for storage tanks and stagnant supply pipes
- Matters regarding the operation of water quality test for villages and drinking purpose waterworks
- Operation of children’s drinking water experience camp
- Matters regarding the public relations for water quality
- Matters regarding the implementation of comprehensive plans for drink off-tap
