Ohio Revised Code Title XXXVII. Health Safety Morals § 3731.11

In all political subdivisions of this state where a system of water works and sewerage is maintained for public use, every hotel and SRO facility shall be equipped with a sufficient number of suitable water closets for the accommodation of its guests, which water closets shall be ventilated and connected by proper plumbing with such sewerage system. All lavatories, bathtubs, sinks, drains, closets, and urinals in such hotels and SRO facilities shall be properly constructed and shall be kept clean and well ventilated at all times. Separate compartments shall be furnished for different sexes, each being properly designated.