Whenever the Director of Public Service, after thorough study of the water supply, water needs, condition of water storage and transmission facilities, weather and health conditions within the City, or the imposition of restrictions upon the supply of water available from the City of Toledo, shall find that the available water supply to the City or inhabitants of the City is critically low, he is hereby authorized, empowered and directed to declare the existence of an emergency relating to the City's available water supply and to impose restrictions on water use within the City during such emergency.
(1964 Code Sec. 50.13)