"The first Drug Court was implemented in Florida in 1989."

Source

Carey, Shannon M., Ph.D.; Pukstas, Kimberly Ph.D.; Waller, Mark S.; Mackin, Richard J.; Finigan, Michael W. Ph.D. "Drug Courts and State Mandated Drug Treatment Programs: Outcomes, Costs and Consequences," NPC Research (Portland, OR: March 2008), p.2.
http://www.ncjrs.gov/pdffiles…