This data briefing summarises the main findings from the 2004-05 Alcohol and Other Drug Treatment Services (AODTS) NMDS data for SA. Throughout this briefing, data from SA are presented along with 2004-05 national AODTS-NMDS data. Highlights include: 46 government-funded alcohol and other drug treatment agencies provided 7,952 'closed treatment episodes'; more than one-quarter (29%) of closed treatment episodes were for clients aged 20-29 years and almost one-third (31%) were for clients aged 30-39 years; and male clients accounted for about two-thirds (67%) of all closed treatment episodes.