D.C. Mun. Regs. tit. 11-K, § 235
235
235.1 A waterfront setback shall be provided in accordance with the provisions of Subtitle C, Chapter 11.
235.2 The waterfront setback shall have a depth of one hundred feet (100 ft.) minimum.
SOURCE: Final Rulemaking published at 63 DCR 2447, 3176 (March 4, 2016 – Part 2).