Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Outpatient; Regular outpatient treatment; Does not treat opioid use disorders; Anger management; Relapse prevention; Telemedicine/telehealth therapy; Trauma-related counseling; Tribal government; State mental health department; Commission on Accreditation of Rehabilitation Facilities (CARF); Federally Qualified Health Center; Federal, or any government funding for substance use treatment programs; Medicaid; State-financed health insurance plan other than Medicaid; Adolescents; Young adults; Adult women; Pregnant/postpartum women; Adult men; Seniors or older adults; Criminal justice (other than DUI/DWI)/Forensic clients; Clients with co-occurring mental and substance use disorders; Clients who have experienced sexual abuse; Clients who have experienced intimate partner violence, domestic violence; Comprehensive mental health assessment; Comprehensive substance use assessment; Outreach to persons in the community; Screening for substance use; Screening for mental disorders; Professional interventionist/educational consultant; Aftercare/continuing care; Discharge Planning; Housing services; Assistance with obtaining social services; Recovery coach; Alcohol Detoxification; Cocaine Detoxification; Methamphetamines detoxification; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking not permitted; Seniors; Female; Male; Vaping not permitted; Domestic violence services, including family or partner; Mental health services; Social skills development; Transportation assistance; Integrated primary care services