D.C. Mun. Regs. tit. 11-C, § 1101
1101
11010.1 The waterfront shall be that area proximate to either the Potomac or Anacostia rivers.
11010.2 The provisions of this chapter shall apply to all properties with frontage on the Anacostia or Potomac Rivers.
SOURCE: Final Rulemaking published at 63 DCR 2447, 2712 (March 4, 2016 – Part 2).