D.C. Mun. Regs. tit. 25, r. 25-J200
Each person owning or occupying any building or part of a building within any of the more densely populated parts of the District, where one (1) or more horses, mules, cows, or similar animals are kept, shall maintain in connection with the building or part a bin or pit for the reception of manure; and, pending the removal from the premises of the manure from the animal or animals, shall place the manure in the bin or pit.
No person owning or occupying any building or part of a building located within any of the more densely populated parts of the District in which any horse, mule, cow, or similar animal is kept, shall keep any manure, or permit any manure to be kept, in or upon any portion of the premises other than in a bin or pit provided for that purpose; nor shall the person allow the bin or pit to be overfilled or to be needlessly uncovered.
The bin or pit required by § 104.1 shall meet the following requirements:
No manure holding bin or pit shall be constructed so that the bottom is below the level of the surface of the surrounding earth, unless it is constructed of substantial masonry and is connected with the public sewer.
The provisions of §§ 104.1 through 104.4 shall not apply to the keeping of manure from horses when the manure is kept tightly rammed into well-covered barrels for the purpose of removal in the barrels.
No person shall permit any manure to accumulate on premises under his or her control in a manner or to an extent that causes objectionable odors upon any public highway or upon any premises owned or occupied by any person other than the person owning or occupying the premises on which the manure is located.
Every person having the use of any manure bin or pit, and every person keeping manure, in any of the more densely populated parts of the District shall cause all the manure to be removed from the premises at least two (2) times each week between June 1st and October 31st of each year, and at least one (1) time each week between November 1st of each year and May 31st of the following year.
No person who has removed manure from any bin or pit, or any other place where manure has been accumulated, shall deposit the manure in any place within any of the more densely populated parts of the District without a permit from the health officer authorizing him or her to do so, and then only in accordance with the terms of the authorizing permit.
The provisions of § 104.8 shall not apply to the distribution of manure over lawns and parking when the manure has been thoroughly rotted or decomposed so that its distribution causes no offensive odors on adjacent properties or on public thoroughfares.
Any person violating any of the provisions of this section shall, upon conviction, be punished by a fine of not more than forty dollars ($40) for each offense.
D.C. Mun. Regs. tit. 25, r. 25-J200