Julie Korak
Assistant Professor, Professional Engineer (CO)
Environmental Engineering

Office: SEEC S291B


  • B.S. in Chemical Engineering and B.S. Environmental Engineering, University of Colorado Boulder (2009)
  • M.S. in Civil Engineering, University of Colorado Boulder (2013)
  • Ph.D. in Civil and Environmental Engineering, University of Colorado Boulder (2014)

Honors and Distinctions:

  • Teaching Award, Department of Civil, Environmental, and Architectural Engineering, University of Colorado Boulder, 2023
  • Faculty Appreciation Award for Environmental Engineering (selected by students), (2020 and 2022)
  • Top Reviewer for AWWA Water Science, 2019 
  • Inaugural Early Career Editorial Advisory Board, Environmental Science and Technology, 2020-present 
  • Membrane Technology Best Paper Award for a publication in the Journal of the American Water Works Association for Nanofiltration to improve process efficiency of hexavalent chromium treatment using ion exchange. 2019 


  • Water treatment engineering
  • Inorganic contaminant removal
  • Internal corrosion control
  • Online monitoring of natural and engineered processes

Recent Publications:

  1. Warren, M.; Crespo-Medina, M.; Ramirez-Toro, Rodriguez, R.; Hernandez, M.; Rosario-Ortiz, F.L.; Korak, J.A. Water quality in Puerto Rico after Hurricane Maria: Challenges associated with lead assessment and potential regulatory implications. ACS ES&T Water, 2023, 3 (2), 354-365. https://doi.org/ 10.1021/acsestwater.2c00425 
  2. Korak, J.A.; Mungan, A.L.; Watts, L.T. Critical Review of Waste Brine Management Strategies for Drinking Water Treatment Using Strong Base Ion Exchange. Journal of Hazardous Materials 2023, 441, 129473. https://doi.org/10.1016/j.jhazmat.2022.129473 
  3. Flint, L.C; Arias-Paić M.S.; Korak, J.A.. Removal of hexavalent chromium by anion exchange: non-target anion behavior and practical implications. Environ. Sci.: Water Res. Technol 2021, 7, 2397–2413. https://doi.org/10.1039/d1ew00382h 
  4. Korak, J.A.; Flint, L.C.; Arias-Paić, M.S.; Decreasing waste brine volume from anion exchange with nanofiltration: implications for multiple treatment cycles. Environmental Science: Water Research and Technology, 2021,  7, 886-903.
  5. Arias-Paić, M.S.; Korak, J.A.; Forward Osmosis for Ion Exchange Waste Brine Management, 2020, Environmental Science and Technology Letters, 7,2,111-117.