D.C. Mun. Regs. tit. 25-F, § 610
610.1 Plumbing fixtures such as handwashing sinks, toilets, and urinals shall be cleaned as often as necessary to keep them clean and well-maintained.
610.2 All tanning facilities shall be equipped with toilet facilities, which include a water closet and handwashing sinks, including hot and cold running water, hand cleaning liquid or powder, and a paper towel dispenser or equivalent hand drying equipment.
610.3 All restrooms shall be kept in sanitary condition and good repair.
SOURCE: Final Rulemaking published at 60 DCR 3582 (March 15, 2013).