(a)   The City of Reed City adopts by reference the Water Supply Cross-Connection Rules of the Michigan Department of Public Health, being R 325.431 to R 325.440 of the Michigan Administrative Code. A cross-connection is defined as a connection or arrangement of piping or appurtenances through which water of questionable quality, wastes or other contaminants can enter the public water supply system.
   (b)   The City of Reed City shall cause inspections to be made of all properties served by the public water supply where cross-connections with the public water supply is deemed possible. The frequency of inspections and reinspections based on potential health hazards involved shall be as established by the City Water Department and as approved by the Michigan Department of Public Health.
   (c)   Representatives of the City Water Department shall have the right to enter at any reasonable time any property served by a connection to the public water supply system of the City of Reed City for the purpose of inspecting the piping system or systems thereof for cross-connections. On request the owner, lessees or occupants of any property so served shall furnish to the inspection agency any pertinent information regarding the piping system or systems on such property. The refusal of such information or refusal of access, when requested, shall be deemed evidence of the presence of cross-connections.
   (d)   The City Water Department is hereby authorized and directed to discontinue water service after reasonable notice to any property wherein any connection in violation of this chapter exists, and to take such other precautionary measures deemed necessary to eliminate any danger of contamination of the public water supply system. Water service to such property shall not be restored until the cross-connection has been eliminated in compliance with the provisions of this chapter.
   (e)   The potable water supply made available on the properties served by the public water supply shall be protected from possible contamination as specified by this chapter and by the State Plumbing Code. Any water outlet which could be used for potable or domestic purposes and which is not supplied by the potable system must be labeled in a conspicuous manner as:
   (f)   This section does not supersede the State Plumbing Code, but is supplementary thereto. (1981 Code § 2.18)