Substance Abuse and Mental Health Services Administration (SAMHSA) logoDASIS Drug and Alcohol Services Informaton System
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NOTICE: This website ( is being transferred. Its data files will be housed on the Substance Abuse & Mental Health Data Archive (SAMHDA) at, and the reports will be housed on the SAMHSA Data Page at

Although we do not anticipate any issues during or after this transfer, we ask that you notify us if you have any difficulties accessing the documents or data currently on any of the BHSIS, (formerly, DASIS), SAMHDA, or SAMHSA Data Page websites. To leave comments or questions, please click on the “Comments/Questions” button in the navigation bar to the left.

This site is provided as a resource for State Substance Abuse Agencies (SSA) and others interested in the DASIS. It includes news and recent DASIS developments of interest to State Substance Abuse Agencies, as well as documentation of DASIS activities and reports. Copies of user manuals, data reports, and other materials are available to view or download for each of the major DASIS Programs. A link to the I-BHS On-line is available for SSA staff with appropriate ID and password.

Published data reports from TEDS, N-SSATS and other substance abuse data systems are available on the SAMHSA web site at SAMHSA/CBHSQ Reports. Comments and questions about DASIS or this web site can be directed to

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