| Jorg E. Drewes | Microbiology Biology, Ecology Biology, Environmental Engineering | | | | |
| Linda Figueroa | Environmental engineer | | | | |
| Andres Guerra | Civil Engineering, Environmental Engineering, Operations Research | | | | |
| Kerri Hickenbottom | | | 2012 | 2015 | Tzahi Y. Cath (grad student) |
| Ryan D. Hort | Environmental Engineering, Geophysics, Public and Social Welfare | Civil and Environmental Engineering | | 2015 | Junko M. Marr (grad student) |
| Richard G. Huggins | Civil Engineering, Environmental Engineering, Operations Research | Civil and Environmental Engineering | | 2014 | Linda Figueroa (grad student) |
| Tissa H. Illangasekare | Hydrology, Environmental Engineering, Environmental Sciences | | | | |
| Junko M. Marr | Geobiology, Molecular Biology, Microbiology Biology | | | | |
| Kristin Mikkelson | Hydrology, Environmental Engineering | Civil and Environmental Engineering | | 2014 | John E. McCray (grad student) |
| Robert L. Siegrist | Water reclamation and reuse, onsite and decentralized systems, soil and groundwater remediation, in situ chemical oxidation | | | | |
| Timothy J. Strathmann | Environmental Chemistry | | | | |
| Michael A. Urynowicz | Energy, Environmental Engineering, Chemical Engineering | | | 2000 | Robert L. Siegrist (grad student) |
| David C. Vuono | Microbiology Biology, Ecology Biology, Environmental Engineering | Civil and Environmental Engineering | | 2014 | Junko M. Marr (grad student) |