567—41.1 (455B) Primary drinking water regulations—coverage. 567—Chapters 40 through 44 and 83 shall apply to each public water supply system, unless the public water supply system meets all of the following conditions:
	      1. 	  Consists only of distribution and storage facilities (and does not have any collection and treatment facilities);
	      2. 	  Obtains all of its water from, but is not owned or operated by, a public water supply system to which such regulations apply;
	      3. 	  Does not sell water to any person; and
	      4. 	  Is not a carrier which conveys passengers in interstate commerce.