"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. NCJ223975. March 2008.