All water for human consumption, for the preparation of food, or for washing humans, foods, food service equipment or utensils shall conform to Section 6-402(7) of the Health Code and the regulations promulgated thereunder.
Non-potable water used for flushing water closets, urinals, or other purposes which do not conflict with Section P-802.1 shall provide for adequate protection to prevent human consumption. All piping therefor shall be adequately and durably identified by distinctive paint and prominent signs, so that it can be readily distinguished from piping carrying potable water. All water lines shall be inspected and approved by the Department. Signage indicating the non-potability of the water supply shall be placed at all points of public access to the water system, such as the tank openings and water closets.