Home / Standards / GB/T 18921-2019 GB/T 18921-2019 Active The reuse of urban recycling water—Water quality standard for scenic environment use 城市污水再生利用 景观环境用水水质 Standard Type GBT ICS 13.060 CCS P40 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A