Susan K. De Long, PhD.

Associate Professor

Civil and Environmental Engineering

Fields of Expertise

Environmental Engineering, Water Quality and Treatment

Areas of Interest

Anaerobic digestion, Bioenergy generation, Bioremediation, Graywater treatment, Molecular biology tools Biological water and wastewater treatment


Dr. Susan De Long is an Associate Professor of Civil and Environmental Engineering at Colorado State University. She has over 15 years of experience working in the fields of environmental engineering and molecular biology. She holds Bachelor’s degrees in Environmental Science and Molecular and Cell Biology from the University of California, Berkeley and earned her M.S. and Ph.D. in Engineering from The University of Texas, Austin.