Glen Daigger
Glen T Daigger
Senior Vice President and Chief Technology Officer CH2M Hill, Inc.
Joined OEC on 06/27/2011

In his role as CH2M HILL’s Chief Wastewater Process Engineer, Dr. Glen Daigger is responsible for wastewater process engineering on both municipal and industrial wastewater treatment projects. He is also the first Technical Fellow for the firm, an honor which recognizes the leadership that he provides for CH2M HILL and for the profession in the development and implementation of new wastewater treatment technology. Daigger has more than 30 years of experience in wastewater treatment plant evaluation, troubleshooting, and process design. His areas of expertise include biological wastewater treatment and treatment process design, in particular biological nutrient removal (both nitrogen and phosphorus), combined trickling filter and activated sludge systems, the use of biological selectors to control activated sludge bulking, and oxygen transfer. He has served as a process engineer, project engineer, and project consultant on a variety of municipal wastewater treatment projects. He has contributed to all phases of facility development, from pilot studies to startup and troubleshooting. Between 1994 and 1996 he served as professor and head of the Environmental Systems Engineering Department at Clemson University.

He is the author of numerous reports, articles, and conference presentations on wastewater treatment and sustainable wastewater infrastructure. Among the numerous topics he has written on are bioreactors, nutrient removal, water quality, optimization, chemically-enhanced treatment, and activated sludge. His texts including Biological Wastewater Treatment, Upgrading Wastewater Treatment Plants, and Principles and Practice of Phosphorus and Nitrogen Removal from Municipal Wastewater, are used in engineering classrooms across the country.

Active in the wastewater industry, Daigger is a member of the American Society of Civil Engineers, American Water Works Association, Association of Environmental Engineering, International Water Association, Water Environment, as well as numerous other professional societies. He has twice received the Harrison Prescott Eddy Award from the Water Environment Federation.

Daigger received his PhD in Environmental Engineering, his Master of Science degree in Environmental Engineering and a Bachelor of Science degree in Civil Engineering all from Purdue University.

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Cite this page: "Glen Daigger" Online Ethics Center for Engineering 6/27/2011 OEC Accessed: Saturday, June 15, 2019 <>