(a) All bulk water covered shall be obtained from an approved source meeting one (1) of the following requirements:
(b) Bulk water to be hauled, sold, or used shall not contact any surface or object which is not specifically designed for the sanitary handling and transfer of potable water. All equipment and plumbing coming in contact with the bulk water must be used exclusively for handling potable water and not for any other purpose.
(c) Tanks previously used to haul any beverage, food, or food-grade substance other than potable water, shall be tested for volatile organic chemicals (VOC) and inorganic chemicals (IOC) before being put into service.
(d) Tanks which have previously been used for hauling non-food grade liquids or petroleum products shall not be used to haul potable water.
(e) Bulk water tanks shall be completely sealed and latched at all times except when filling, cleaning, or servicing the bulk tank.
(f) All licensed bulk water hauling tanks shall display a "Wyoming Tested and Approved" seal on the outside of the tank or inside the water handling equipment compartment showing the most recent date of inspection.
(g) Water shall not be stored in the bulk tank longer than three (3) days.
010-12 Wyo. Code R. § 12-2