(a) Potable water tanks may be constructed in a manner that will allow for a potable water tank to be removed from within the nonpermanent food facility compartments for refilling or replacing.
(b) Refilling of a potable water tank shall be conducted through an approved and sanitary method, such as at the commissary.
(c) Storage of any prefilled water tank, or empty and clean water tanks, or both, shall be within the nonpermanent food facility or in an approved manner that will protect against contamination.