S-STEM - Key Persons


Alfonso Torres-Rua

Job Titles:
  • Water

Austin Ball

Job Titles:
  • Professor of Practice

Bastidas Pacheco

Bastidas Pacheco, C.J, Horsburgh, J.S, Beckwith Jr., A.S, (2022). Impact of data temporal resolution on quantifying residential end uses of water. Water, 14:16, doi: 10.3390/w14162457

Belize Lane

Job Titles:
  • Water

Benjamin Baksis

Job Titles:
  • Business Assistant

Bethany Neilson

Job Titles:
  • Water
Majerova, M., Neilson, B.T, Roper, B., (2020). Beaver dam influences on streamflow hydraulic properties and thermal regimes. Science of the Total Environment, 718:134863, doi: https://doi.org/10.1016/j.scitotenv.2019.134853 Ferencz, S.B, Cardenas, M.B, Neilson, B.T, (2019). Analysis of the effects of dam release properties and ambient groundwater flow on surface water-groundwater exchange over a 100 km-long reach. Water Resources Research, 55:11, 8526-8546. doi: https://doi. org/10.1029/2019WR025210 Muller, S., Jessen, S., Duque, C., Sebok, E., Neilson, B.T, Engesgaard, P., (2018). Assessing seasonal flow dynamics at a lagoon saltwater-freshwater interface using a dual tracer approach. Journal of Hydrology Regional Studies, 17, 24-35. doi: 10.1016/j.ejrh.2018.03.005 Shuai, P., Cardenas, M.B, Knappett, P.S, Bennett, P.C, Neilson, B.T, (2017). Denitrification in the banks of fluctuating rivers: The effects of river stage amplitude, sediment hydraulic conductivity and dispersivity, and ambient groundwater flow. Water Resources Research, 53:9, 7951--7967. Stout, T.L, Majerova, M., Neilson, B.T, (2017). Impacts of beaver dams on channel hydraulics and substrate characteristics in a mountain stream. Ecohydrology, 10:1, doi: doi: 10.1002/eco.1767 Cory, R.M, Harrold, K.H, Neilson, B.T, Kling, G.W, (2015). Controls on dissolved organic matter (DOM) degradation in a headwater stream: the influence of photochemical and hydrological conditions in determining light-limitation or substrate-limitation of photo-degradation. EGU Biogeosciences, 12, 6669-6685. doi: doi:10.5194/bg-12-6669-2015 Epstein, D., Neilson, B.T, Goodman, K., Stevens, D.K, Wurtsbaugh, W.A, (2013). A modeling approach for assessing the effect of multiple lakes in sequence on nutrient transport.. Aquatic Sciences, 75:2, 199-212. doi: DOI 10.1007/s00027-012-0267-2 Heavilin, J.E, Neilson, B.T, (2012). An analytical solution to main channel heat transport with surface heat flux. Advances in Water Resources, 47, 67-75. doi: http://dx.doi.org/10.1016/j.advwatres.2012.06.006 Merck, M.F, Neilson, B.T, (2012). Modelling in-pool temperature variability in a beaded arctic stream. Hydrological Processes, 26, 3921-3933. doi: DOI: 10.1002/hyp.8419 Heavilin, J.E, Neilson, B.T, (2012). Approximation of inverse Laplace transform solution to heat transport in a stream system. Water Resources Research, 48:9, doi: dx.doi.org/10.1029/2012WR012329 Schmadel, N.M, Neilson, B.T, Stevens, D.K, (2010). Approaches to estimate uncertainty in longitudinal channel water balances. Journal of Hydrology, 394, 357-369. doi: 10.1016/j.jhydrol.2010.09.011

Blake Tullis

Job Titles:
  • Professor
  • Water

Brady Cox

Job Titles:
  • Professor

Brady Forbush

Job Titles:
  • Computer Technician Lead

Brian Crookston

Job Titles:
  • Associate Professor
  • Water Hydraulics
Jorgensen, T., Tullis, B.P, Crookston, B., (2021). Effects of a labyrinth weir with outlet ramps on downstream steep-stepped chute sidewall height requirements. ASCE Journal Irrigation and Drainage Engineering, 147:12 Crookston, B.M, Smith, V., Welker, A., Campbell, D., (2020). Teaching hydraulic design: Innovative learning in the classroom and in the workplace. ASCE Journal Hydraulic Engineering, 146:3, doi: 10.1061/(ASCE)HY.1943-7900.0001715 Salazar, F., Crookston, B.M, (2019). A performance comparison of machine learning algorithms for arced labyrinth spillways. Water, 11:3, doi: 10.3390/w11030544 Valero, D., Bung, D.B, Crookston, B., (2018). Energy dissipation of a Type III basin under design and adverse conditions for stepped and smooth spillways. Journal of Hydraulic Engineering, 144:7, 04018036. doi: 10.1061/(ASCE)HY.1943-7900.0001482 Savage, B.M, Crookston, B.M, Paxson, G.S, (2016). Physical and numerical modeling of large headwater ratios for a 15 degree labyrinth spillway. Journal of Hydraulic Engineering, 142:11, 04016046. doi: 10.1061/(ASCE)HY.1943-7900.0001186 Panthi, , Crookston, B.M, (2022). Will large woody debris alter the self-cleaning ability of a piano key weir?. International Association of Hydro-environmental Engineering and Research Crookston, B.M, Arnold, C.R, (2022). Improving public safety at low head dams through identification using deep learning, ARCGIS Pro, and aerial imagery. 39th AIRH World Congress, 2022 Crookston, B., Hotchkiss, R., Arnold, C.R, (2021). Towards a national inventory of low-head dams: volunteers leveraging online tools. ASDSO Crookston, B., Barfuss, S.L, (2018). Responding to unauthorized extreme activities at spillways in order to improve public safety. ICOLD 2018 26th Congress -86th Annual Meeting Crookston, B., Crowley, L., Johnson, C., Bung, D.B, (2017). Effective application of three-dimensional numerical modeling for the design and analysis of dams. Dam Safety 2017 Crookston, B., Tullis, B.P, (2014). Mitigation investigation of flow-induced vibrations at a rehabilitated spillway: 11th National Conference on Hydraulics in Civil Engineering \& 5th International Symposium on Hydraulic Structures: Hydraulic Structures and Society-Engineering Challenges and Extremes.

Brianna Cox

Job Titles:
  • Senior Staff Assistant

Burdette Barker

Job Titles:
  • Civil and Environmental Engineering
  • Extension Irrigation Specialist for Utah
  • Irrigation Specialist
Burdette is the Extension Irrigation Specialist for Utah. He has worked throughout the Western U.S. in irrigation engineering consulting and research. He focuses on providing information and tools to help Utah's agricultural producers. His areas of expertise include irrigation system design and performance and quantifying irrigation water use through flow measurement and crop water use measurement and modeling.

Colin Phillips

Job Titles:
  • Assistant Professor
  • Water
Phillips, C., Jerolmack, D.J, (2019). Bankfull transport capacity and the threshold of motion in coarse-grained rivers. Water Resources Research, 55, doi: doi. Fox, A., Packman, A.I, Boano, F., Phillips, C., Arnon, S., (2018). Interactions between suspended kaolinite deposition and hyporheic exchange flux under losing and gaining flow conditions. Geophysical Research Letters, doi: doi:10.1029/2018GL077951

David G Tarboton

Job Titles:
  • Director, Utah Water Research Laboratory
  • Sant Endowed Professor of Water Resources Engineering Director, Utah Water Research Laboratory

David Kunz

Job Titles:
  • Senior Director of Development

David Rosenberg

Job Titles:
  • Water
Cominola, A., Giuliani, M., Castelletti, A., Abdallah, A., Rosenberg, D.E, (2018). Implications of data sampling resolution on water use simulation, end-use disaggregation, and demand management. Environmental Modeling & Software, doi: https://doi.org/10.1016/j.envsoft.2017.11.022 Rosenberg, D.E, Alminagorta, O., Kettenring, K., (2016). Systems modeling to improve the hydroecological performance of diked wetlands. Water Resources Research, 52:9, 7070-7085. doi: 10.1002/2015wr018105 Santos Vanderlinder, M.E, Neale, C.M, Rosenberg, D.E, Kettenring, K., (2014). Use of remote sensing to assess changes in wetland plant communities over an 18-year period - a case study from the Bear River Migratory Bird Refuge, Great Salt Lake, UT. Western North American Naturalist, 74:1, 33-46. Aljuaidi, A.E, Rosenberg, D.E, Kaluarachchi, J., (2011). Water management with wastewater treatment and reuse, desalination, and conveyance to counteract future water shortages in the Gaza Strip, Palestine. International Journal of Water Resources and Environmental Engineering, 3:12, 266-282.

David Stevens


Dr. Jagath Kaluarachchi

Job Titles:
  • Dean and Professor
  • Dean of the College
Dr. Jagath Kaluarachchi is the Dean of the College of Engineering at Utah State University (USU) and Professor of Civil and Environmental Engineering. Dr. Kaluarachchi has a PhD in Environmental Sciences and Engineering from Virginia Tech. He has been active in the area of hydrology, water resources, and water quality for more than 25 years. He has published close to 80 journal publications in reputed scientific journals and more than 100 conference proceedings and presentations. He taught many short courses related to hydrology and water resources to proposal writing in Europe, Middle East and Asia. He was a visiting professor at Swiss Federal Institute of Technology, Zurich, Switzerland and Royal Institute of Technology, Stockholm, Sweden. Dr. Kaluarachchi has conducted many international development projects related to water management in arid regions including Iraq, Ethiopia, Ghana, Sri Lanka, Palestine, Jordan among many other countries. Dr. Kaluarachchi's accomplishments include Fellow recognition from both ASCE and EWRI, and Diplomate in Water Resources Engineering from the American Academy of Water Resources Engineering and numerous research awards from USU including the Robin's award for Outstanding Faculty Researcher in 2007. Dr. Kaluarachchi has delivered invited presentations in many parts of the world and served in EWRI and ASCE in variety of roles including the chair of the watershed council for three years. He is a licensed professional engineer in the State of Utah. The USU College of Engineering has more than 3,000 students and 105 faculty across six departments. The college has seven ABET accredited program and enrollments are increasing on average around 2-3% over the past few years. The research expenditures are increasing and now at 18 million dollars. Dr. Kaluarachchi is very passionate on both undergraduate and graduate education and very much interested in undergraduate innovation and industry collaboration with active participation of minority and under-represented student groups. Dr. Kaluarachchi has graduated 18 PhD students and 16 MS students as the major advisor and few post-doctoral researchers as well.

Dr. Liyuan (Joanna) Hou

Job Titles:
  • Assistant Professor in the Utah Water Research Laboratory
Dr. Liyuan (Joanna) Hou is an assistant professor in the Utah Water Research Laboratory and Civil and Environmental Engineering Department. She also serves as an adjunct professor in the Biological Engineering Department. She dedicates herself to researching applied environmental microbiology to monitor, minimize, or valorize contaminants and wastes.

Erskine Visiting

Job Titles:
  • Fellow, 2017

Finnegan Thornton

Job Titles:
  • Graphic Designer

Hal Chugg

Job Titles:
  • Director of Facilities

Isaac Lawrence


James Bay

Job Titles:
  • Associate Professor

Jeff Horsburgh

Job Titles:
  • Associate Professor
  • Associate Professor in Civil and Environmental
  • Water
Jeff Horsburgh is an Associate Professor in Civil and Environmental Engineering and at the Utah Water Research Laboratory at Utah State University Neilson, B.T, Tennant, H., Strong, P.A, Horsburgh, J.S, (2021). Detailed streamflow data for understanding hydrologic responses in the Logan River Observatory. Hydrologic Processes, 35:8, e14268. doi: https://doi.org/10.1002/hyp.14268 Buahin, C.A, Horsburgh, J.S, Neilson, B.T, (2019). Parallel multi-objective calibration of a component-based river temperature model. Environmental Modelling & Software, doi: 10.1016/j.envsoft.2019.02.012 Mihalevich, B., Horsburgh, J.S, Melcher, A., (2017). High frequency measurements reveal spatial and temporal patterns of dissolved organic matter in an urban water conveyance. Environmental Monitoring and Assessment, 189:593, doi: 10.1007/s10661-017-6310-y Buahin, C., Horsburgh, J.S, (2015). Evaluating the simulation times and mass balance errors of component-based models: An application of OpenMI 2.0 to an urban stormwater system. Environmental Modeling & Software, 92-109. doi: 10.1016/j.envsoft.2015.07.003 Spackman Jones, A., Horsburgh, J.S, Mesner, N., Ryel, R.J, Stevens, D.K, Influence of sampling frequency on estimation of annual total phosphorus and total suspended solids loads. Journal of the American Water Resources Association (JAWRA), doi: 10.1111/j.1752-1688.2012.00684.x Jackson-Smith, D., Halling, M., de la Hoz, E., McEvoy, J.P, Horsburgh, J.S, (2010). Measuring conservation program BMP implementation and maintenance at the watershed scale. Journal of Soil and Water Conservation, 65:6, 413-423. doi: 10.2489/jswc65.6.413

Jennifer Morales

Job Titles:
  • Grant & Proposal Development Specialist

Jessica Averett

Job Titles:
  • Business Manager / Engineering Education
  • Engineering Education / Business Manager

Joan McLean

Zaheer, A., Mirza, B.S, McLean, J.E, Yasmin, S., Shah, T.M, Malik, K.A, Mirza, M.S, (2016). Association of plant growth-promoting Serratia spp. with the root nodules of chickpea. Research in Microbiology, 167, 510-520. doi: dx.doi.org/10.1016/j.resmic.2016.04.001 Calder, A.J, Dimkpa, C., McLean, J.E, Britt, D.W, Anderson, A.J, (2012). Soil components mitigate the antimicrobial effects of silver nanoparticles towards a beneficial soil bacterium, Pseudomonas chlororaphis O6. Science of the Total Environment/Elsevier, 429, 215-222. doi: doi:10. 1016/j.scitotenv.2012.04.049 Liang, Y., McLean, J.E, Britt, D.W, Sorensen, D.L, Sims, R.C, (2007). Humic acid effect on pyrene degradation: finding an optimal range for pyrene solubility and mineralization enhancement. Applied Microbiology and Biotechnology, 74:6, 1368-1375. doi: 10.1007/s00253-006-0769-8

Joanna (Liyuan) Hou


John Rice

Job Titles:
  • Geotech and Associate Department Head
  • Geotech and Associate Department Head / Associate Professor
John Rice holds a Bachelor's in Geology from Humboldt State University, a Master's degree in Civil Engineering from Utah State, and a Ph.D. in Geotechnical Engineering from Virginia Tech. After earning his Master's degree, John worked as a Geotechnical Consultant for Kleinfelder and Woodward-Clyde. After 16 years of consulting, John returned to academics to earn his Ph.D. at Virginia Tech where he studied the long-term performance of seepage barriers in dams. He is currently an Assistant Professor at Utah State University where he teaches and performs reaches in the areas of earth structures and ground improvement.

Ken Jewkes

Job Titles:
  • Civil and Environmental Engineering
  • Staff

Kendra Dixon

Job Titles:
  • Engineering Education
  • Graduate Program Coordinator / Engineering Education

Kristen Gabriel

Job Titles:
  • Recruiter

Kyle Moor

Job Titles:
  • Assistant Professor

Levi Leckie

Job Titles:
  • Financial Officer

Levi Sanchez

Job Titles:
  • Webmaster

Liyuan Hou

Job Titles:
  • Assistant Professor
Hou, L., Griswold, N., Hu, Z., (2020). Impact of decreasing hydraulic retention times on the specific affinity of methanogens and their community structures in an anaerobic membrane bioreactor process treating low strength wastewater. Science of The Total Environment Hu, A., Hou, L., Yu, C., (2015). Biogeography of planktonic and benthic archaeal communities in a subtropical eutrophic estuary of China. Microbial Ecology Hu, A., Yang, X., Chen, N., Hou, L., Ma, Y., Yu, C., (2014). Response of bacterial communities to environmental changes in a mesoscale subtropical watershed, Southeast China. Science of the total environment

Marlo Bailey

Job Titles:
  • Civil and Environmental Engineering
  • Graduate Program Coordinator

Marv Halling

Job Titles:
  • Department Head Structural
Halling, M.W, (1999). Investigation of base-isolated structures during recent earthquakes and computer simulations utilizing near-source long-period ground motions, Report No. EERL 95-09. Earthquake Engineering Research Laboratory (EERL), California Institute of Technology

Matthew Jensen

Job Titles:
  • Director of PR and Marketing

Michael Johnson

Job Titles:
  • Water Hydraulics

Michael McFarland

Job Titles:
  • Associate Professor

Mindy Whiteley

Job Titles:
  • Staff Assistant
  • Civil and Environmental Engineering

Mohsen Zaker Esteghamati


Monte Larson

Job Titles:
  • Executive Assistant to the Dean

Patrick Singleton

Job Titles:
  • Transportation

Paul Barr

Job Titles:
  • Engineering

Paul Rew

Job Titles:
  • Computer Technician
  • Civil and Environmental Engineering

Pin Shuai


Quentin Martin Best

Job Titles:
  • Research - Oriented Paper Award, 2013

Randal Martin


Rose Hu

Job Titles:
  • Associate Dean & Professor

Ryan Dupont

Meng, X., Dupont, R.R, Sorensen, D.L, Jacobson, A., McLean, J.E, (2016). Arsenic solubilization and redistribution under anoxic conditions in three aquifer sediments from a basin-fill aquifer in Northern Utah: role of organic carbon and carbonate minerals. Applied Geochemistry, 66:250-263, doi: 10.1016/j.apgeochem.2016.01.004 Mirza, B.S, Muruganandam, S., Sorensen, D.L, Dupont, R.R, McLean, J.E, Meng, X., (2014). As(V) reduction in relation to iron (III) transformation and molecular characterization of the structural and functional microbial community in sediments of a basin-fill aquifer in Northern Utah. Applied and Environmental Microbiology, 80:10, 3198-3208. Weidhaas, J., Dupont, R.R, (2013). Aerobic biodegradation of N-nitrosodimethylamine and N-nitrodimethylamine in methane and benzene amended soil columns. Journal of Contaminant Hydrology, 150:2013, 45-53. Hall, B.L, Lachmar, T.E, Dupont, R.R, (2001). Field monitoring and performance evaluation of a field-scale in-well aeration system at a gasoline contaminated site. Journal of Hazardous Materials , B82:2001, 197-212. McGinnis, D., Dupont, R.R, Everhart, K., St. Laurent, G., (1994). Evaluation and management of field soil pile bioventing systems for the remediation of PCP contaminated surface soils. Environmental Technology (Letters), 15, 729-739. Gan, D.R, Dupont, R.R, (1989). Multiphase and multicompound measurements of batch equilibrium distribution coefficients of six volatile organic compounds. Hazardous Waste and Hazardous Materials, 6:4, 363-383. Dupont, R.R, (1987). Measurement of volatile hazardous organic emissions from land treatment facilities. Journal of the Air Pollution Control Association, 37:2, 168-176. Dupont, R.R, (1990). Quantitation and modeling of volatile hazardous constituent emissions from a hazardous waste land treatment facility, Cooperative Agreement CR-813211-01. U.S. EPA, Office of Research and Development, RSKERL Dupont, R.R, (1986). A flux chamber/solid sorbent sampling system for volatile organic air emission monitoring from hazardous waste land treatment systems: field results; Proceedings of the 1986 EPA/APCA Symposium on Measurement of Toxic Air Pollutants . Proceedings of the 1986 EPA/APCA Symposium on Measurement of Toxic Air Pollutants

Seed Grant

Job Titles:
  • Graduate Student Tuition on Sponsored Projects

Shamsher Prakash

Job Titles:
  • International Geotechnical Engineering Research Award, 2015

Shelbie Kaczmarczyk

Job Titles:
  • Grant & Proposal Development Specialist

Sierra Young

Job Titles:
  • Water

Skylar McDaniel

Job Titles:
  • Grant & Proposal Development Coordinator

Spackman Jones

Spackman Jones, A., Aanderud, Z.T, Horsburgh, J.S, Eiriksson, D., Dastrup, D., Cox, C., Jones, S.B, Bowling, D.R, Carlisle, J., Carling, G.T, Baker, M.A, (2017). Designing and Implementing a Network for Sensing Water Quality and Hydrology Across Mountain to Urban Transitions. Journal of the American Water Resources Association (JAWRA), doi: 10.1111/1752-1688.12557

Srishti Banerji

Job Titles:
  • Assistant Professor
  • Director of Systems
Dr. Banerji is the Director of Systems, Materials, and Structural Health (SMASH) Lab and an Assistant Professor in the Department of Civil and Environmental Engineering at Utah State University. Her research focuses on the performance of advanced construction materials, development of sustainable construction materials, behavior of structural members under extreme loadings, integration of electric charging systems in concrete pavements, and strengthening of civil infrastructure. Dr. Banerji is a member of ASCE/SEI Fire Protection Committee and ACI committees, including ACI 216- Fire Resistance and Fire Protection of Structures, ACI 239- Ultra-High-Performance Concrete, ACI 239-0E Educational Outreach, ACI 239-0F UHPC Sustainability, ACI 242-00 Alternative Cements Gil, A., Banerji, S., Kdour, V., (2023). Factors influencing pore pressure measurements in concrete during heating and its influence on fire-induced spalling. Cement and Concrete Composites

Steve Barfuss

Job Titles:
  • Water Hydraulics
Crookston, B., Barfuss, S.L, (2018). Responding to unauthorized extreme activities at spillways in order to improve public safety. ICOLD 2018 26th Congress -86th Annual Meeting

Steve Larson

Job Titles:
  • Director of Industry Relations

Susan Hammond

Job Titles:
  • Business Manager
  • Civil and Environmental Engineering

Sydney Dahle

Job Titles:
  • Public Relations Specialist

Thomas Fronk

Job Titles:
  • Senior Associate Dean & Professor

Tony Ahlstrom

Job Titles:
  • Development Officer

Utah Engineers Council

Job Titles:
  • Advisor

Yiming Su


Zac Sharp

Job Titles:
  • Water