(HJ 932—2017 2018-03-01 implemented)
In order to implement the "Environmental Protection Law of the People's Republic of China" and "Water Pollution Prevention and Control Law", to meet the needs of national modernization of water environment management, refinement of water environment management, and information construction, standardize the use of river sections, lakes, and reservoir codes in environmental protection systems And management, strengthen the basic work of water body identification, promote and improve the informationization level of water environment management, and formulate this standard. In accordance with the principles of uniqueness, completeness, and scalability, this standard divides the country's rivers into 7 river basin slices and 63 sub-regions based on national basic geographic information data, and uses river sections, lakes, and reservoirs as basic coding objects. Uniform coding rules. Appendix A of this standard is an informative appendix. This standard is issued for the first time.