On 17 May 09, 2009, the Ministry of Health issued the National Technical regulation on water quality QCVN 01:2009/BYT. This standard set specifies the limit of quality norms for the water used for eating, drinking, and water for food processing facilities.
QCVN 01:2009/BYT Apply to agencies, organizations, individuals and households exploiting and trading water in food, including concentrated water supply for living purposes of capacity from 1000M3/day or more. See the full national technical regulation on water quality QCVN 01:2009/BYT at the following path:
http://waterhealth.phad.org/wp-content/uploads/2020/08/QCVN-01-01-2018.Pdf