D.C. Code § 10-501.01
With the exceptions hereinafter provided, the Mayor of the District of Columbia shall have the exclusive charge and control of all wharf property belonging to the United States or to the District of Columbia within said District, including all the wharves, piers, bulkheads, and structures thereon and waters adjacent thereto within the pier lines, and all slips, basins, docks, waterfronts, land under water, and structures thereon, and the appurtenances, easements, uses, reversions, and rights belonging thereto, which on March 3, 1899, were owned or possessed by the United States or the District of Columbia, or to which they or either of them was on that date or may thereafter become entitled, or which they or either of them may acquire under the provisions hereof or otherwise; and said Mayor of the District of Columbia shall have exclusive charge and control of the repairing, building, rebuilding, maintaining, altering, strengthening, leasing, and protecting said property and every part thereof, and all the cleaning, dredging, and deepening necessary in and about the same within the pier lines. The Council of the District of Columbia is authorized and empowered to make all needful rules and regulations for the government and control of all wharves, piers, bulkheads, and structures thereon, and waters adjacent thereto within the pier lines, and all the basins, slips, and docks, with the land under water, in said District not owned by the United States or the District of Columbia; provided, that the following described property shall be placed under the immediate jurisdiction and control of the Chief of Engineers of the United States Army: the banks of the Potomac River from the north line of the Arsenal Grounds to the southern curb line of N Street South; also 500 linear feet of shoreline in the Flushing Reservoir at the foot of 17th Street, West, and west from the western curb of said street, including a levee 100 feet wide.
D.C. Code § 10-501.01
Fish wharf, jurisdiction and control over, see § 37-205.01. Harbor regulations, see § 22-4401 et seq. Title to housing redevelopment property, transfers from mayoral jurisdiction, see § 6-321.03. .