No person shall establish or permit to be established or maintain or permit to be maintained any cross-connection. No interconnection shall be established whereby potable water from a private, auxiliary or emergency water supply, other than the public water supply of the utility, may enter the potable water supply of the utility, unless such private, auxiliary, or emergency water supply and the method of connection and use of such supply shall have been approved by the utility and the State of Minnesota.
(Ord. 2670, passed - -) Penalty, see § 53.999