Dr. Engle is a professor in the Department of Geological Sciences, who previously worked at the U.S. Geological Survey (~14), and in environmental consulting (~5 years).

• Ph D in Hydrogeology, University of Nevada, Reno (2005)
• MS in Hydrogeology, University of Nevada, Reno (2003)
• BS in Geology and Environmental Chemistry, The Evergreen State College (1997)

• Can we beneficially reuse produced water from oil and gas extraction in the U.S.? Science of the Total Environment 717 (2020), Bridget R. Scanlon, Robert C. Reedy, Pei Xu, Mark Engle, J.P. Nicot, David Yoxtheimer, Qian Yang, Svetlana Ikonnikova.
• Chemical Composition of Formation Water in Shale and Tight Reservoirs: A Basin‐Scale Perspective John Wiley & Sons, Inc. (2020), Yousif Kharaka, Kathleen Gans, Elisabeth Rowan, James Throdsen, Christopher Conaway, Madalyn Blondes, Mark Engle.
• Compositional analysis of formation water geochemistry and microbiology of commercial and carbon dioxide-rich wells in the southwestern United States US Geological Survey Scientific Investigations Report 2020–5037 (2020), Jenna L. Shelton, Robert S. Andrews, Denise M. Akob, Christina A. DeVera, Adam C. Mumford, Mark Engle, Michael R. Plampin, Sean T. Brennan.
• Direct trace element determination in oil and gas produced waters with inductively coupled plasma-optical emission spectrometry: Advantages of high-salinity tolerance Geostandards and Geoanalytical Research 44 (2020), Aaron M. Jubb, Mark Engle, Jessica M. Chenault, Madalyn S. Blondes, Cloelle G. Danforth, Colin Doolan, Tanya J. Gallegos, Dan Mueller, Jenna L. Shelton.
• Origin and geochemistry of formation waters from the lower Eagle Ford Group, Gulf Coast Basin, south central Texas Chemical Geology 550 (2020), Mark Engle, Colin A. Doolan, Janet A. Pitman, Matthew S. Varonka, Jessica Chenault, William H. Orem, Peter B. McMahon, Aaron M. Jubb.

• Production of minerals from oil and gas produced waters: Current state of the science (2020), Volume virtual meetings, Mark Engle, Stephanie Ray.
• Sourcing and characterizing geochemical changes from unpermitted produced water dumping, Permian Basin, USA (2020), Volume virtual meeting, Mark Engle, Denise Akob, Kit Conaway, Douglas Kent, Terry Gregston, Isabelle Cozzarelli.
• Strategic minerals - are they hiding in plain sight? (2020), Volume virtual meeting, Nicholas E. Pingitore, Antonio Arribas, Mark Engle, Philip C. Goodell, James Kubicki.
• Sourcing and characterizing geochemical changes from unpermitted produced water dumping, Permian Basin, USA (2020), Volume virtual, Mark Engle.
• Effects of Permian Basin oil and gas wastewater dumping on soil microbial communities (2020), Volume Montreal, Canada, Mitra Kashani, Mark Engle, Douglas Kent, Terry Gregston, Isabelle Cozzarelli, William Orem, Adam Mumford, Denise Akob.

• Space and Seed Grant Proposal to Establish a “One Water” Cluster in the Interdisciplinary Research Building, University of Texas at El Paso