Dick worked in consulting engineering practice and with the U.S. Public Health Service prior to obtaining his doctorate. He served on the University of Illinois faculty for eight years, and the University of Delaware faculty for five years; he has been at Cornell since 1977. He is a past president of the Association of Environmental Engineering Professors and has served on the Executive Committee and Board of Governors of the International Association on Water Quality. He was the Distinguished Visiting Scientist at the Risk Reduction Engineering Laboratory of the U.S. Environmental Protection Agency from 1986 through 1989. He has been named Chi Epsilon CEE Professor of the Year, and has received the College's Daniel M. Lazar '29 Excellence in Teaching Award and the James M. and Marsha D. McCormick Award for excellence in advising first-year engineering students.