District of Columbia Code Division VIII. General Laws. § 48-904.07a. Drug free zones.

(a) All areas within 1000 feet of an appropriately identified public or private day care center, elementary school, vocational school, secondary school, junior college, college, or university, or any public swimming pool, playground, video arcade, youth center, or public library, or in and around public housing, as defined in section 3(1) of the United States Housing Act of 1937, approved August 22, 1974 (88 Stat. 654; 42 U.S.C. § 1437a(b)), the development or administration of which is assisted by Department of Housing and Urban Development, or in or around housing that is owned, operated, or financially assisted by the District of Columbia Housing Authority, or an event sponsored by any of the above entities shall be declared a drug free zone. For the purposes of this subsection, the term “appropriately identified” means that there is a sign that identifies the building or area as a drug free zone.

(b) Any person who violates § 48-904.01(a) by distributing or possessing with the intent to distribute a controlled substance which is listed in Schedule I, II, III, IV, or V within a drug free zone shall be punished by a fine up to twice that otherwise authorized by this chapter to be imposed, by a term of imprisonment up to twice that otherwise imposed, or both.