The Alcoholism and Drug Abuse Council of Orange County is a nonprofit organization dedicated to the public health issue of alcoholism and other drug addictions. ADAC provides county members with programs and services to address substance abuse and addiction as a health condition which affects the individual, family and the community.

ADAC provides information, referral and outreach services, as well as operating a School of Addiction Studies that provides credentialing in substance abuse for all human service professionals.