This specification applies to the service and management of recycled water supply operations within the administrative area of Tianjin City. This specification does not apply to the utilization of recycled water constructed and used by enterprises and institutions themselves.
DB12/T 470-2012 history
2020DB12/T 470-2020 Management specification for water supply service of urban recycled water
2012DB12/T 470-2012 Management specification for urban reclaimed water supply service