Every person who provides a toilet for the use of employees, patrons or members or available to the public shall maintain such toilet at all times in a clean, well-lighted, ventilated and sanitary condition. An adequate supply of clean toilet paper shall be provided at all times. The floor of any such toilet room shall be impervious to moisture and properly drained. No drinking cup, towel, hairbrush or comb shall be provided for common use in any such toilet or in a washroom, rest room or locker room adjacent thereto. The owner of a building or dwelling, or his agent in charge thereof, wherein two or more occupants not living as a single household shall have common use of a toilet, shower or privy shall be responsible for the maintenance and repair of such toilet, shower or privy and keep it in a clean and sanitary condition.