PDFWAC 246-215-05140
Distribution, delivery and retention—Pressure (FDA Food Code 5-103.12).
Water under pressure must be provided to all fixtures, equipment, and nonfoodequipment that are required to use water except that water supplied as specified under WAC 246-215-05150 (1) and (2) to a temporary food establishment or in response to a temporary interruption of a water supply need not be under pressure.