The director of public service is authorized and directed to discontinue, after reasonable notice to the occupant thereof, the water service to any property wherein any connection in violation of the provisions of this chapter is known to exist, and to take such other precautionary measures as he may deem necessary to eliminate any danger of contamination of the public water supply distribution mains. Water service to such property shall not be restored until such connections shall have been eliminated or corrected in compliance with the provisions of this chapter.
(`59 Code, § 911.04)