The Louisville District website ( is moving to the Great Lakes and Ohio River Division website ( This website is scheduled to be decommissioned on July 15, 2024. Please update all saved links to






Col. L. Reyn Mann 
Lt. Col. Guillermo Guandique
Deputy Commander 
John R. Bock
Deputy District Engineer


The Louisville District serves the Armed Forces and the Nation in support of civil, military, and environmental missions. Our history of distinguished service is marked by engineering excellence, outstanding technical support, and multi-disciplinary services. We deliver quality, timely products and services at a reasonable cost. The Commander and Executive Office staff provide strategic direction, command and control for the Louisville District in execution of assigned missions. The Value Engineer, Emergency Manager, Security Manager, Deputy for Small Business, Director of Quality, and Workforce Development Specialist all report directly to the Executive Office.