D.C. Mun. Regs. tit. 22, r. 22-B3506
One (1) bathroom consisting of a working toilet, lavatory (sink for hand washing) and bathing facility that is appropriate for the needs of the persons residing in the CRFPID shall be provided for the use of no more than three (3) persons.
Each bathroom shall have appliances, fixtures or devices which shall be appropriate to the needs of each person who lives and works in the CRFPID, and which shall allow persons in the CRFPID to achieve maximum independence. Appliances, fixtures and devices shall be in good repair.
Each shared bathroom shall be equipped with adequate light, toilet tissue, paper towels, liquid soap for hand washing, and a mirror, as appropriate to the persons' abilities.
A person shall not go through another person's bedroom in order to enter a bathroom. A person shall not go through one bathroom in order to have access to a second bathroom.
Bathrooms shall provide adequate privacy. Each tub or shower shall have privacy partitions or curtains. A bathroom shall not have more than one toilet.
D.C. Mun. Regs. tit. 22, r. 22-B3506