D.C. Mun. Regs. tit. 20, § 3117
Code Modifications to Flood Resistant Design Provisions of the Construction Codes
Effective Jun 20, 202572 DCR 006821Authority: District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code § 8-151.01 et seq.); the Water Pollution Control Act of 1984, effective March 16, 1985 (D.C. Law 5-188; D.C. Official Code § 8-103.01 et seq.); the Soil Erosion and Sedimentation Control Act of 1977, effective September 28, 1977 (D.C. Law 2-23; 24 DCR 000792); the District of Columbia Applications Insurance Implementation Act, effective May 26, 1976 (D.C. Law 1-64; D.C. Official Code § 6-501 et seq.); and Mayor’s Order 2006-61, dated June 14, 2006. Source: Final Rulemaking published at 72 DCR 006821 (June 20, 2025).District of Columbia, Office of the Secretary
3117.1 An applicant seeking a code modification to any provision of the Construction Codes relating to any development on a development site located wholly or partially inside a flood hazard area must have DOB approval. No approval will be granted by DOB unless:
- (a) The code modification complies with the procedures set forth in Appendix G 12-A DCMR; and
- (b) DOEE has reviewed and provided a recommendation to DOB regarding the code modification request.
3117.2 Notwithstanding any provision of this section, all structures wholly or partially inside flood hazard areas shall be designed and constructed to have the capability of resisting the base flood and high flood.
SOURCE: Final Rulemaking published at 72 DCR 006821 (June 20, 2025).