This study examined the influence on substance use of organizational wellness and of attitudes toward the EAP. We developed the Organizational Wellness Scale (OWS) to assess perceptions of healthy (e.g., respectful) and addictive (e.g., workaholic) work climates. Employees from a municipal organization (N = 780) who scored high on the OWS reported less personal and co-worker substance use and enabling behaviors, and more favorable attitudes towards substance use policies. Results suggest that, beyond the influence of the EAP, work site health may effect both individual and work group substance use. Using the OWS, health service providers could benefit from monitoring the impact of organizational wellness on individual and work group health.