§ 46.844. Operation and maintenance of water tanks and mobile food facility water tanks.
(a) System flushing and disinfection. A water tank, pump and hoses shall be flushed and sanitized before being placed in service after construction, repair, modification and periods of nonuse.
(b) Preventing backflow while using a pump and hoses. A person shall operate a water tank, pump and hoses so as to prevent backflow and other contamination of the water supply.
(c) Protecting inlet, outlet and hose fitting. If not in use, a water tank and hose inlet and outlet fitting shall be protected using a cover or device as specified in § 46.843(b) (relating to numbers and capacities of water tanks and mobile food facility water tanks).
(d) Tank, pump and hoses, dedication. A water tank, pump and hoses used for conveying drinking water shall be used for no other purpose, except that water tanks, pumps and hoses approved for liquid foods may be used for conveying drinking water if they are cleaned and sanitized before they are used to convey water.
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