Faculty Profile for Dr. Keisuke Ikehata

profile photo for Dr. Keisuke Ikehata
Dr. Keisuke Ikehata
Assistant Professor — Ingram School of Engineering
IGRM 2203
phone: (512) 245-0855

Biography Section

Biography and Education

Dr. Keisuke Ikehata is an Assistant Professor of Civil Engineering in the Ingram School of Engineering, Texas State University, San Marcos, Texas. Dr. Ikehata received his Ph.D. in Civil and Environmental Engineering from the University of Alberta, Edmonton, Alberta, Canada in 2003. In July 2019, he joined Texas State University as one of four founding members of the new Civil Engineering Program. Prior to joining Texas State University, Dr. Ikehata worked for more than eight years as a technical specialist/R&D manager at a water resources engineering firm in Orange County, California and eight years in academia in California, Alberta, and Kansas. Dr. Ikehata is a registered professional engineer (Environmental Engineer) in Arizona (PE) and Alberta (PEng) for more than 10 years.

Teaching Interests

Dr. Ikehata's teaching interests are in water quality engineering, advanced treatment technologies, water and wastewater infrastructure design, sustainable stormwater facility design, including low-impact development and best management practices, desalination and water reuse.

Research Interests

Dr. Ikehata is an expert in advanced water and wastewater treatment and sustainable water resources management, including water reuse, desalination, and stormwater management. He has led or been involved in more than 130 engineering, research, and R&D projects in the United States to develop, design, and evaluate, novel sustainable solutions for emerging water resources challenges, as well as contaminated site remediation, agricultural and industrial water management in the past 20 years.

Dr. Ikehata’s areas of expertise include: (1) advanced water and wastewater treatment technologies, (2) novel biological/biochemical/chemical treatment technologies development, (3) water reuse and desalination, (4) water quality management, (5) industrial and agricultural water management, and (6) stormwater management and beneficial use. He published more than 150 technical publications, including peer reviewed journal articles, invited book chapters, conference papers, and technical articles.

Selected Scholarly/Creative Work

  • Adams, J. H., Pochiraju, S., Ikehata, K., Southard, M., Reeder, S., Appleton, E., & Nix, D. (2023). New Production Pathway of Musty 2,4,6-Tribromoanisole During Raw Water Disinfection Processes at a Surface Water Treatment Plant. Water Supply, 23(11), 4416–4424. https://doi.org/https://doi.org/10.2166/ws.2023.264
  • Adams, J., Burlingame, G., Ikehata, K., Furatian, L., & Suffet, I. (Mel) H. (2022). The effect of pH on taste and odor production and control of drinking water. AQUA – Water Infrastructure, Ecosystems and Society, 71(11), 1278–1290. Retrieved from https://doi.org/10.2166/aqua.2022.133
  • Ikehata, K., Nakamura, N., Kulkarni, H. V., Zhao, Y., Maleky, N., Sato, S., & Gao, H. (2022). Isolation and evaluation of brackish water diatoms from evaporation ponds for the treatment of silica- and nutrient-rich brackish wastewater. AQUA – Water Infrastructure, Ecosystems and Society, 71(9), 1083–1094. Retrieved from https://doi.org/10.2166/aqua.2022.082
  • Tran, H. D. M., Boivin, S., Kodamatani, H., Ikehata, K., & Fujioka, T. (2021). Potential of UV-B and UV-C irradiation in disinfecting microorganisms and removing N-nitrosodimethylamine and 1,4-dioxane for potable water reuse: A review. Chemisphere, 286. https://doi.org/https://doi.org/10.1016/j.chemosphere.2021.131682
  • Adams, J. H., Southard, M., Reeder, S., Buerkens, F., Hallford, R. L., Ikehata, K., & Nix, D. K. (2021). Successfully detecting and mitigating algal blooms and taste and odor compounds. Journal American Water Works Association, 113(6), 10–19. https://doi.org/https://doi.org/10.1002/awwa.1743

Selected Awards

  • Award / Honor Recipient: Reuse Impact Award, WateReuse Texas. September 2023
  • Award / Honor Recipient: Certificate of Appreciation, Japan Ozone Association. November 2021
  • Award / Honor Recipient: Service Recognition Award, Western Regional Meeting, American Chemical Society. November 2015
  • Award / Honor Recipient: Certificate of Appreciation, Japan Ozone Association. August 2014
  • Award / Honor Recipient: Service Recognition Award, International Ozone Association-Pan American Group. September 2010

Selected Grants

  • Ikehata, Keisuke (Principal). Strategies for Gaining Pathogen Removal Credit for Reverse Osmosis in Potable Reuse in Texas (and Beyond), Freese and Nichols / Bureau of Reclamation, Private / Foundation / Corporate, $19949. (Submitted: November 16, 2022, Funded: January 5, 2024 - Present). Grant.
  • Ikehata, Keisuke (Principal). Development of Multi-parameter Direct Water Quality Monitoring System to Achieve the Circular Society for Water, US Bureau of Reclamation, Federal, $149999. (Submitted: June 16, 2020, Funded: July 1, 2021 - March 31, 2024). Grant.
  • Ikehata, Keisuke (Principal). Enhanced Water Recovery by a Combination of Photobiological Process and Secondary Reverse Osmosis – Lifecycle Cost Analysis and Mini-Pilot Study, U.S. Bureau of Reclamation, Federal, $250000. (Funded: January 1, 2021 - December 31, 2023). Grant.
  • Ikehata, Keisuke (Principal). Dual-Purpose Water Purification System for Direct Potable Use of Stormwater and Reclaimed Water – Feasibility Study, Texas State University, Texas State University, $8000. (Submitted: October 2019, Funded: January 2020 - Present). Grant.
  • Ikehata, Keisuke. A Novel Photobiological Water Treatment Process for More Efficient Water Recovery in Advanced Water Reclamation and Brackish Groundwater Desalination Facilities, National Science Foundation, Small Business Innovation Research, Phase I, Federal, $225000. (Funded: January 2017 - December 2017). Grant.

Selected Service Activities

Division Trustee
Water Quality and Technology Division, American Water Works Association
June 2021-Present
Subcommittes 1 and 3, ISO/TC 282 Water Reuse, International Organization for Standardization (ISO)
Committee on Environmental and Sustainability, American Chemical Society
Editorial Review Board Member
Ozone: Science and Engineering
Board of Directors, International Ozone Association
December 2023-Present