Various government departments related to scientific research in water quality analysis and testing, as well as universities, colleges, and relevant research institutions.Government sectors include the traditional Ministry of Ecology and Environment, Ministry of Water Resources, Ministry of Housing and Urban-Rural Development, and Ministry of Natural Resources, as well as the National Health Commission, Ministry of Agriculture, Ministry of Transport, Ministry of Science and Technology, public security, procuratorate, courts, and military systems; educational and research institutions include environmental departments and water supply and drainage majors in universities, as well as research institutions such as the Chinese Academy of Environmental Sciences, Chinese Academy of Sciences, Chinese Academy of Agricultural Sciences, Chinese Academy of Forestry Sciences, and Chinese Academy of Water Resources Sciences, and educational institutions such as primary and secondary schools and kindergartens.