D.C. Mun. Regs. tit. 25-C, § 601
Plumbing Systems - Design, Construction, Installation, and Cleanable Fixtures*
Effective Jun 9, 201764 DCR 5359Authority: Section 4902 of the Department of Health Functions Clarification Act of 2001 (“Act”) effective October 3, 2001 (D.C. Law 14-28; D.C. Official Code § 7-731(a)(11) (2012 Repl. & 2016 Supp.)), and Mayor’s Order 2001-111, dated August 6, 2001. Source: Final Rulemaking published at 64 DCR 5359 (June 9, 2017).District of Columbia, Office of the Secretary
601.1 All plumbing systems and hoses that convey water shall be designed, constructed, installed and repaired with approved materials in accordance with the International Plumbing Code (2012 edition), Subtitle F (Plumbing Code Supplement of 2013) of Title 12 of the District of Columbia Municipal Regulations.
601.2 All toilet facilities shall be easily cleanable.ᴺ
SOURCE: Final Rulemaking published at 64 DCR 5359 (June 9, 2017).