Home / Standards / GB/T 18920-2020 GB/T 18920-2020 Active The reuse of urban recycling water—Water quality standard for urban miscellaneous use 城市污水再生利用 城市杂用水水质 Standard Type GBT ICS 13.060 CCS P40 Status 现行 Issue Date 2020-03-31 Implementation 2021-02-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A