COL Andrew R. Pfluger Associate Professor Director - Center for Environmental and Geographic Sciences Office of Research Dean's Staff Center for Environmental and Geographical Science Geography and Environmental Engineering andrew.pfluger [at] westpoint.edu About Education Research & Publications Colonel Andrew Pfluger, U.S. Army, is an Associate Professor and Academy Professor in the Department of Geography and Environmental Engineering at the United States Military Academy. Formerly the Director for the Environmental Program (Environmental Engineering and Environmental Science), he currently serves as the Director of Center for Environmental and Geographic Sciences. Through June 2025 he is also a visiting researcher at U.S. Army Corps of Engineers Engineering Research and Development Center (ERDC) and at the University of Illinois Urbana-Champaign (UIUC). He also holds a visiting fellowship with the Hoover Institution at Stanford University through July 2026. He is a licensed Professional Engineer (P.E.) in the state of Delaware and a Board Certified Environmental Engineer (BCEE). His research interests include sustainable and resilient systems engineering, water and wastewater engineering, resource recovery, and renewable energy generation. Ph.D. - Civil & Environmental Engineering - Colorado School of Mines Engineer Degree - Civil & Environmental Engineering - Stanford University M.S. - Civil & Environmental Engineering - Stanford UniversityB.S. - Civil Engineering - U.S. Military Academy Research Interests Environmental biotechnologySustainable & resilient systemsRenewable energy & energy securityWater and wastewater engineering Current Research Anaerobic co-digestion of organic wastes for energy generationWastewater resource recoverySecure and resilient energy systems for DoD Selected Publications Black, A., Newhart, K., Linvill, C., Pytlar, A., Galaitsi, S., Fairfield, C., Wait, M., Bennett, E., Butkus, M., Pfluger, Andrew R. “Examination of the water-energy nexus: linguistic analysis of energy terminology in the wastewater literature”. Accepted for Publication in Water Science & Technology, Feb 2025, https://doi.org/10.2166/wst.2025.036 Krueger, B., Bennett, E., Pytlar, A., Galaitsi, S., Linvill, C., Butkus, M., Linkov, I., Pfluger, Andrew R. “Visualizing System and Technology Tradeoffs in the Water-Energy Nexus.” ACS ES&T Water, 2025, 5, 2, 548-555. https://doi.org/10.1021/acsestwater.4c00773 Krueger, B., Shetty, A., Esqueda, D., Bentley, L., Hooper, J., Zumbuhl, A., Butkus, M., Pfluger, Andrew R. “Measuring biomethane potential of food scrap waste anaerobically co-digested with waste activated sludge using respirometry”. Journal of Visualized Experiments, 2024, 206, e66485. https://doi.org/10.3791/66485 Linvill, C., Butkus, M., Bennett, E., Wait, M., Pytlar, A. Pfluger, Andrew R. “Energy Balances for Proposed Complete Full-Scale Anaerobic Wastewater Treatment Facilities”. Environmental Engineering Science, 40, 11, 2023, DOI: https://doi.org/10.1089/ees.2023.0076 Tovkach, A., Boyle, J., Sheehan, P., James, C., Nagelli, E., Pfluger, Andrew R. “Structured decision making for assessment of solid waste-to-energy systems for decentralized on-site applications”. Environment Systems and Decisions, 43, 54-71, 2023, DOI: https://doi.org/10.1007/s10669-022-09885-9