According to the classification of surface water environment functions and protection objectives, this standard stipulates the items and limit values that should be controlled in water environment quality, as well as the water quality evaluation, the analysis methods of water quality items and the implementation and supervision of standards. This standard applies to surface waters with functional functions such as rivers, lakes, canals, channels, reservoirs, etc. within the territory of the People's Republic of China. For water areas with specific functions, the corresponding professional water quality standards shall be implemented.
GB 3838-1983 history
2002GB 3838-2002 Environmental quality standards for surface water
2002GB 3838-1983 Environmental Quality Standards for Surface Water