Three Rivers Mental Health and Chemical Dependency Center is in Lemmon, South Dakota, with outreach centers in Faith, McLaughlin, and Eagle Butte. We also serve individuals and families in Perkins, Corson, Dewey, Ziebach, Walworth, and Campbell Counties. Three Rivers Mental Health and Chemical Dependency Center a private, non-profit, community-based human services agency service. Our therapists, counselors, and case managers provide Individual and family counseling, addiction and dependency services, evaluations and assessments, social learning programs, and prevention services.