D.C. Mun. Regs. tit. 22, r. 22-B102
Neither the owner nor occupant of any lot, building, or other structure in the District shall allow any drain pipe, soil pipe, fixture, or passage of any description, for the drainage of all or part of the lot, building, or structure, into any public sewer or into any public or private sewage disposal system, to leak and to permit the escape of all or any part of its contents, elsewhere than into the public sewer or into the sewage disposal system with which the drain pipe, soil pipe, fixture, or passage is connected.
Neither the owner nor occupant of any lot, building, or other structure in the District shall permit any drain pipe, soil pipe, fixture, or passage of any description for the drainage of all or part of the lot, building, or structure, into the public sewer or into any public or private sewage disposal system, to become obstructed or to remain obstructed, so as to prevent the free passage of all drainage entering it into the public sewer or into the sewage disposal system with which the drain pipe, soil pipe, fixture, or passage is connected.
Any person violating any of the provisions of §§ 102.1 and 102.2 shall, upon conviction, be punished by a fine of not more than forty dollars ($40) for each offense.
All water closets and privies connected with any house, building, or premises within the District in and upon which people live, or where they congregate or assemble, or where any kind of business is done, that are kept in an uncleanly and foul condition, and from which offensive smells and noxious gases arise; and all water closets located within and being a part of any house or building not provided with proper sewer traps so as to prevent the return and escape of noxious gases and offensive odors from any public or private sewer connection with the house or building; shall be considered nuisances injurious to health.
Any person creating, keeping, and maintaining a nuisance as defined by § 102.4 shall, after due notice served by the Mayor to abate the nuisance within twenty-four (24) hours or within a reasonable time as may be determined by the Mayor, and upon conviction, be punished by a fine of not less than five dollars ($5) nor more than twenty-five dollars ($25) for each and every day the nuisance is allowed to remain unabated.
No person shall place any refuse matter or permit any refuse matter to be placed in any water closet, bath tub, washstand, sink, cesspool, downspout, or other fixture in the District that is connected with any public sewer or with any sewage disposal field, when the connection is obstructed or defective and permits the escape of the refuse material elsewhere than into the public sewer and the disposal field.
Any person violating the provisions of § 102.6 shall, upon conviction, be punished by a fine of not less than five dollars ($5) nor more than twenty-five dollars ($25) for each and every offense.
D.C. Mun. Regs. tit. 22, r. 22-B102