Paul Westerhoff
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Phone: 480-965-2885
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ISTB4 - Room 395D TEMPE, AZ 85287-3005
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Mail code: 3005Campus: Tempe
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Dr. Paul Westerhoff is a Regents Professor in the School of Sustainable Engineering and the Built Environment at Arizona State University and the Fulton Chair of Environmental Engineering. He was elected into the National Academy of Engineering in 2023.
He joined ASU in 1995 and after serving as the Civil and Environmental Engineering Department Chair he was the Founding Director for the School of Sustainable Engineering and the Built Environment. Since then he has served as an Associate Dean of Research in Engineering, ASU Vice Provost for Academic Programming, and Vice Dean for Research and Innovation in Engineering.
He is the Deputy Director of a National Science Foundation Nanosystems Engineering Research Center for Nanotechnology Enabled Water Treatment (newtcenter.org) and Deputy Director of the NSF STC for Science and Technologies for Phosphorus Sustainability (https://steps-center.org/). He has over 400 journal publications (ISI H-index>100) and multiple patents on his research related to fate of nanomaterials in water, developing novel technologies for water and reuse treatment, and understanding reactions related to the fate of pollutants during treatment or in natural systems with a focus on oxo-anions, natural organic matter and micropollutants. He is the recipient of several awards including the recipient of the 2020 A.P. Black award from the American Water Works Association, 2019 NWRI Clarke Prize for excellence in the fields of water science and technology, 2017 Sustainable Nanotechnology Organization Annual Achievement Award, ASU Outstanding Doctoral Mentor for 2015, 2013 ARCADIS/AEESP Frontier in Research Award, and 2006 Paul L. Busch Award. He was awarded several best paper awards in different journals and currently serves as an Associate Editor for the journal Environmental Science and Technology (ES&T).
- Ph.D. Civil, Arch., and Env. Engineering, University of Colorado-Boulder 1995
- M.S. Civil and Env. Engineering, University of Massachusetts-Amherst 1991
- B.S. Civil Engineering, Lehigh University 1989
Prof. Westerhoff's research focuses on emerging issues in water treatment and developing novel treatment technologies to address todays and emerging issues.
Courses
2025 Spring
Course Number | Course Title |
---|---|
CEE 792 | Research |
CEE 499 | Individualized Instruction |
CEE 790 | Reading and Conference |
CEE 599 | Thesis |
CEE 799 | Dissertation |
CEE 493 | Honors Thesis |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 595 | Continuing Registration |
CEE 795 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 593 | Applied Project |
MSE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 799 | Dissertation |
CHE 593 | Applied Project |
CHE 592 | Research |
CEE 790 | Reading and Conference |
BDE 799 | Dissertation |
CEE 792 | Research |
CHE 795 | Continuing Registration |
CEE 592 | Research |
CEE 580 | Practicum |
CEE 493 | Honors Thesis |
CEE 799 | Dissertation |
CEE 599 | Thesis |
EVE 302 | EnvEngineer Fundmntls:Phys/Chm |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
BDE 792 | Research |
BDE 799 | Dissertation |
EVE 593 | Applied Project |
BDE 792 | Research |
2024 Fall
Course Number | Course Title |
---|---|
CEE 492 | Honors Directed Study |
CEE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
CEE 590 | Reading and Conference |
CEE 591 | Seminar |
CEE 592 | Research |
CEE 595 | Continuing Registration |
CEE 599 | Thesis |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 795 | Continuing Registration |
CEE 799 | Dissertation |
BDE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 795 | Continuing Registration |
CHE 799 | Dissertation |
MSE 792 | Research |
BDE 799 | Dissertation |
CEE 593 | Applied Project |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 493 | Honors Thesis |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
EVE 599 | Thesis |
CHE 593 | Applied Project |
2024 Summer
Course Number | Course Title |
---|---|
CHE 792 | Research |
CEE 792 | Research |
CEE 592 | Research |
CEE 790 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 792 | Research |
CEE 799 | Dissertation |
CEE 795 | Continuing Registration |
CEE 790 | Reading and Conference |
CHE 792 | Research |
MSE 792 | Research |
CEE 593 | Applied Project |
CEE 590 | Reading and Conference |
CEE 593 | Applied Project |
2024 Spring
Course Number | Course Title |
---|---|
CEE 499 | Individualized Instruction |
CEE 790 | Reading and Conference |
CEE 599 | Thesis |
CEE 493 | Honors Thesis |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 795 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 593 | Applied Project |
MSE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 799 | Dissertation |
CHE 593 | Applied Project |
CHE 592 | Research |
CEE 790 | Reading and Conference |
BDE 799 | Dissertation |
CEE 792 | Research |
BDE 792 | Research |
CHE 795 | Continuing Registration |
CEE 592 | Research |
CEE 561 | Phys-Chem Treat/Water & Waste |
CEE 580 | Practicum |
CEE 493 | Honors Thesis |
CEE 799 | Dissertation |
CEE 599 | Thesis |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
BDE 792 | Research |
MSE 792 | Research |
BDE 799 | Dissertation |
EVE 593 | Applied Project |
2023 Fall
Course Number | Course Title |
---|---|
CEE 492 | Honors Directed Study |
CEE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 595 | Continuing Registration |
CEE 599 | Thesis |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 795 | Continuing Registration |
CEE 799 | Dissertation |
BDE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 795 | Continuing Registration |
CHE 799 | Dissertation |
MSE 792 | Research |
CEE 593 | Applied Project |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 493 | Honors Thesis |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
EVE 599 | Thesis |
2023 Summer
Course Number | Course Title |
---|---|
CEE 592 | Research |
CEE 592 | Research |
CEE 792 | Research |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 792 | Research |
CEE 799 | Dissertation |
CEE 795 | Continuing Registration |
CEE 790 | Reading and Conference |
CHE 792 | Research |
CHE 792 | Research |
MSE 792 | Research |
CEE 593 | Applied Project |
CEE 590 | Reading and Conference |
CEE 593 | Applied Project |
CHE 795 | Continuing Registration |
2023 Spring
Course Number | Course Title |
---|---|
CEE 499 | Individualized Instruction |
CEE 790 | Reading and Conference |
CEE 599 | Thesis |
CEE 799 | Dissertation |
CEE 493 | Honors Thesis |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 795 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 593 | Applied Project |
MSE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 799 | Dissertation |
CHE 593 | Applied Project |
CHE 592 | Research |
CEE 790 | Reading and Conference |
CEE 792 | Research |
BDE 792 | Research |
CHE 795 | Continuing Registration |
CEE 561 | Phys-Chem Treat/Water & Waste |
CEE 580 | Practicum |
CEE 493 | Honors Thesis |
CEE 599 | Thesis |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
BDE 792 | Research |
MSE 792 | Research |
CHE 792 | Research |
2022 Fall
Course Number | Course Title |
---|---|
CEE 492 | Honors Directed Study |
CEE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 595 | Continuing Registration |
CEE 599 | Thesis |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 795 | Continuing Registration |
CEE 799 | Dissertation |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 795 | Continuing Registration |
CHE 799 | Dissertation |
MSE 792 | Research |
CEE 593 | Applied Project |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 493 | Honors Thesis |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
EVE 599 | Thesis |
2022 Summer
Course Number | Course Title |
---|---|
CEE 595 | Continuing Registration |
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 792 | Research |
CEE 592 | Research |
CEE 792 | Research |
CEE 792 | Research |
CEE 799 | Dissertation |
CEE 795 | Continuing Registration |
CEE 790 | Reading and Conference |
CHE 792 | Research |
CHE 792 | Research |
MSE 792 | Research |
CEE 590 | Reading and Conference |
CEE 593 | Applied Project |
CEE 590 | Reading and Conference |
2022 Spring
Course Number | Course Title |
---|---|
CEE 499 | Individualized Instruction |
CEE 790 | Reading and Conference |
CEE 599 | Thesis |
CEE 799 | Dissertation |
CEE 493 | Honors Thesis |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 795 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 593 | Applied Project |
MSE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 799 | Dissertation |
CHE 593 | Applied Project |
CHE 592 | Research |
CEE 790 | Reading and Conference |
CEE 792 | Research |
BDE 792 | Research |
CHE 795 | Continuing Registration |
CEE 561 | Phys-Chem Treat/Water & Waste |
CEE 580 | Practicum |
CEE 493 | Honors Thesis |
CEE 599 | Thesis |
CEE 591 | Seminar |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
BDE 792 | Research |
MSE 792 | Research |
2021 Fall
Course Number | Course Title |
---|---|
CEE 492 | Honors Directed Study |
CEE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 595 | Continuing Registration |
CEE 599 | Thesis |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 795 | Continuing Registration |
CEE 799 | Dissertation |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 795 | Continuing Registration |
CHE 799 | Dissertation |
MSE 792 | Research |
CEE 593 | Applied Project |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 493 | Honors Thesis |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
2021 Summer
Course Number | Course Title |
---|---|
CEE 799 | Dissertation |
CEE 792 | Research |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 792 | Research |
CEE 799 | Dissertation |
CEE 795 | Continuing Registration |
CEE 790 | Reading and Conference |
CHE 792 | Research |
CHE 792 | Research |
MSE 792 | Research |
CEE 590 | Reading and Conference |
CEE 593 | Applied Project |
CEE 590 | Reading and Conference |
2021 Spring
Course Number | Course Title |
---|---|
CEE 499 | Individualized Instruction |
CEE 790 | Reading and Conference |
CEE 599 | Thesis |
CEE 799 | Dissertation |
CEE 493 | Honors Thesis |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 795 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 593 | Applied Project |
MSE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 799 | Dissertation |
CHE 593 | Applied Project |
CHE 592 | Research |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CHE 795 | Continuing Registration |
CEE 561 | Phys-Chem Treat/Water & Waste |
CEE 580 | Practicum |
CEE 590 | Reading and Conference |
CEE 493 | Honors Thesis |
CEE 599 | Thesis |
CEE 591 | Seminar |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
CHE 599 | Thesis |
2020 Fall
Course Number | Course Title |
---|---|
CEE 492 | Honors Directed Study |
CEE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 595 | Continuing Registration |
CEE 599 | Thesis |
CEE 790 | Reading and Conference |
CEE 792 | Research |
CEE 795 | Continuing Registration |
CEE 799 | Dissertation |
CHE 592 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 795 | Continuing Registration |
CHE 799 | Dissertation |
MSE 792 | Research |
CHE 593 | Applied Project |
CEE 593 | Applied Project |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 493 | Honors Thesis |
EVE 302 | EnvEngineer Fundmntls:Phys/Chm |
EVE 492 | Honors Directed Study |
EVE 493 | Honors Thesis |
CEE 499 | Individualized Instruction |
CHE 592 | Research |
2020 Summer
Course Number | Course Title |
---|---|
CEE 799 | Dissertation |
CEE 592 | Research |
CEE 792 | Research |
CEE 790 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 792 | Research |
CEE 799 | Dissertation |
CEE 795 | Continuing Registration |
CHE 792 | Research |
CHE 792 | Research |
MSE 792 | Research |
CEE 590 | Reading and Conference |
CEE 593 | Applied Project |
CEE 590 | Reading and Conference |
2020 Spring
Course Number | Course Title |
---|---|
CEE 499 | Individualized Instruction |
CEE 790 | Reading and Conference |
CEE 599 | Thesis |
CEE 799 | Dissertation |
CEE 493 | Honors Thesis |
CEE 590 | Reading and Conference |
CEE 592 | Research |
CEE 792 | Research |
CEE 595 | Continuing Registration |
CEE 795 | Continuing Registration |
CEE 492 | Honors Directed Study |
CEE 593 | Applied Project |
MSE 792 | Research |
CHE 599 | Thesis |
CHE 792 | Research |
CHE 799 | Dissertation |
CHE 593 | Applied Project |
CEE 792 | Research |
CHE 795 | Continuing Registration |
CEE 561 | Phys-Chem Treat/Water & Waste |
CEE 580 | Practicum |
CEE 493 | Honors Thesis |
CEE 599 | Thesis |
CEE 591 | Seminar |
- Westerhoff, Paul. Occurrence and treatment of algal metabolites that cause tastes and odors during water treatment. NSF-USAID-Egyptian Sponsored, The first Egypt-USA workshop on: Innovative treatment technologies for water, wastewater, sludge and other contaminated waters (May 2007).
- Westerhoff, Paul. Early warning monitoring for algae caused taste and odors. Tri-State Annual Conference (Sep 2006).
- Westerhoff, Paul. Removal of endocrine disrupting, pharmaceutical and personal care produced by drinking water treatment processes. 24th Annual meeting Mountain West Society of Toxicology (Sep 2006).
- Westerhoff, Paul. Rapid Small Scale Column Tests (RSSCT) for Evaluating Arsenic. Workshop on EPA’s Arsenic Removal Demonstration Program: Results and Lessons Learned, Water Supply and Water Resources Division, National Risk Management Research Laboratory (Aug 2006).
- Crittenden, J, Zhang, Y, Koenemann, B, Hristovski, K, Westerhoff, Paul, Chen, Y, Capco, D, Gerrity, D, Ryu, H, Abbaszadegan, M. Nanoparticles in water environment: characterization, removal, environmental applications, bio-accumulation, and cytotoxicity. Gordon Conference: Environmental Sciences: Water (What impact is our work having on the state of the environment?) (Jun 2006).
- Westerhoff, Paul. Arsenic in Drinking Water. National Academy of Engineering – Japan-America Frontiers of Engineering (JAFOE) Symposium (Nov 2005).
- Westerhoff, Paul. Iron impregnated GAC adsorbents for achieving multiple water quality goals (Arsenic removal). California-Nevada Section AWWA Annual Conference (Oct 2005).
- Westerhoff, Paul. Rapid Small Scale Column Tests (RSSCT) for Evaluating Arsenic Adsorption Media. USEPA Workshop on Arsenic Removal from Drinking Water (Aug 2005).
- Hristovski, K, Zhang, Y, Koeneman, B, Chen, Y, Westerhoff, Paul, Capco, D, Crittenden, J. Potential Roles on Nanotechnology in Sustainability. NSF Summer Institute on Nano Mechanics and Materials (Jun 2005).
- Westerhoff, Paul, Navvaron, J, Esparza, M, Chen, B. Groundwater quality along the US-Mexico Border: Arsenic. Transboundary Waters Management Conference (Nov 2004).
- Westerhoff, Paul. Regional water quality monitoring and evaluation for the metropolitan-Phoenix area water supply. NSF Arizona Water Quality Center (May 2004).
- Westerhoff, Paul, Badruzzaman, M. Rapid Small Scale Column Test (RSSCT) – Procedures for Arsenic Studies and Application of Results. USEPA Arsenic Adsorption Media Conference
- Westerhoff, Paul. Emerging contaminants in drinking water. Pretreatment Technology Transfer Meeting, City of Phoenix/AWPCA
- Westerhoff, Paul. Nanomaterials: Challenges for Water and Wastewater Treatment.
- Westerhoff, Paul. Organic Matter Characterization and Reaction with Disinfectants. University of Illinois, Water Campus Seminar
- Westerhoff, Paul. Societial benefits and environmental challenges of bio- and nano-technologies. 20th Anniversary of the Environmental Quality Act and Arizona Department of Environmental Quality: Assessing and Protecting Arizona’s Water Quality
- Westerhoff, Paul, Benn, T, Kiser, A, Zhang, A, Crittenden, J, Chen, Y, Capco, D, Koenemann, B, Rittmann, B, Dotson, A. Fate of Engineered Nanomaterials During Water & Wastewater Treatment. ISEA Conference
- Westerhoff, Paul, Chen, B, Krasner, S. Fate and Transport of Wastewater Derived DBPs and DBP Precursors in Rivers and Streams. WEFTEC Annual Conference, Workshop 112
- Westerhoff, Paul, Crittenden, J, Zhang, Y, Chen, Y, Chen, Z, Kiser, A, Benn, T. Detection and Fate of Commercial Nanomaterials During Wastewater Treatment / Treatability of Nanomaterials in Water. WEFTEC Annual Conference, Session 99
- Westerhoff, Paul, Zhang, P, Crittenden, J. Modeling Fluxes of Water and Salt through the Urban Infrastructure. 9th Annual CAP LTER Symposium
- DeHann, M, Dole, E, Westerhoff, Paul, Martindale, A. Media Performance City of Mesa, AZ Experience. USEPA Arsenic Adsorption Media Conference
- Westerhoff, Paul. EDC and PhAC Removal in Bench-scale Water Treatment Studies. AwwaRF Technology Transfer Conference, Endocrine Disrupting and Pharmaceutically Active Compounds and Personal Care Products: Where we are now and what lies ahead
- Westerhoff, Paul. Fundamental Aspects of Arsenic Chemistry, Analytical Methods and Laboratory Testing Protocol for Arsenic Removal. Evaluating Arsenic Removal Solutions in Northern California, Severn Trent Services Special Seminar Series
- Westerhoff, Paul. Applications for Laboratory Column Tests in Evaluating Arsenic Adsorption Media. New Mexico Environmental Health Annual Conference: Arsenic Forum (Invited by Malcolm Siegel from Sandia National Laboratories)
- Westerhoff, Paul. Emerging Contaminants: Nitrogenous Disinfection By-Products & Control of Organic Nitrogen. Virginia AWWA Research Committee Seminar: Emerging Source Water Considerations and Issues
- Westerhoff, Paul. Rapid Small Scale Column Testing (RSSCT): Research and or Testing Arsenic Treatment Technologies. Arsenic Remediation Coalition LLC "Solutions for Resolving Arsenic Contaminated Drinking Water"
- Leenheer, J, Westerhoff, Paul. Dissolved Organic Nitrogen Fractionation. IHSS Meeting
- Westerhoff, Paul. Contribution of Wastewater Effluents to Drinking Water Treatment Plants: Not Everyone Lives Upstream. Safe Drinking Water: Where Science Meets Policy
- Westerhoff, Paul. Survey of Drinking Water Quality at >4oo Public Taps in Eight Mexican States. Safe Drinking Water: Where Science Meets Policy
- Chen, Z, Herckes, P, Westerhoff, Paul. Characterization of Pharmacueticals in Hospital Waste Effluent. 2007 Water Quality Center Meeting
- Crittenden, John, Ahang, Yang, Koenemann, Brian, Hristovski, Kiril, Westerhoff, Paul, Chen, Yongsheng, Capco, David, Gerrity, Daniel, Ryu, Hodon, Abbaszadegan, Morteza. NANOPARTICLES IN WATER ENVIRONMENT: CHARACTERIZATION, REMOVAL, ENVIRONMENTAL APPLICATIONS, BIO-ACCUMULATION, & CYTOTOXICITY.
- Westerhoff, Paul. Detection and Fate of Nanomaterials During Water and Wastewater Treatment. Emerging Contaminants Group and Internet presentation
- Westerhoff, Paul. etection and Fate of Nanomaterials During Water and Wastewater Treatment. Emerging Contaminants Workshop, Maricopa Cooperative Extension Office
- Westerhoff, Paul. Fate of organic chloramines. 2007 Water Quality Center Meeting
- Westerhoff, Paul. Nanoparticle Interactions during wastewater and water treatment. Nanotechnology: Fate and Transport of Engineered Nanomaterials, NIEHS organized in.org/conf/tio/nano6
2024 Water Research Foundation Innovation Award
2023 Inducted to the National Academy of Engineering
2023 Appointed Trustee, AWWA Water Science and Research Division
2023 Clarivate Web of Science Highly cited researchers in top 1% of citations for Environment & Ecology (2023, 2022, 2021, 2020, 2019, 2018, 2017,2016,2015)
2022 ACS ES&T Engineering Best Paper Award for 2021: “A Review of Advances in Engineering Nanomaterial Adsorbents for Metal Removal and Recovery from Water: Synthesis and Microstructure Impacts” Environmental Science and Technology: Engineering, 1:4:623-661 https://doi.org/10.1021/acsestengg.0c00174 (2021)
2021 AWWA Membrane Treatment Best Paper award for publication (Managing and treating per- and polyfluoroalkyl substances (PFAS) in membrane concentrates) published in AWWA Water Science
2021 Daniel Jankowski Legacy Award
2020 A.P. Black Award
2019 NWRI Clark Prize
2019 USEPA Level II Scientific and Technological Achievement Award (STAA), for collaborative publication entitle “Nationwide study on the prevalence and potential health effects of contaminants of emerging concern in drinking water”
2018 WEF Fair Distinguished Engineering Educator Medal
2018 Elected International Water Association (IWA) Fellow
2017 Sustainable Nanotechnology Organization (SNO) Achievement Award for demonstrating a commitment to impactful research and services that deepen the scientific community’s understanding of issues related to sustainable nanotechnology
2017 Editors Choice Award for 2016 in Environmental Science: Water Research & Technology of the paper entitled “N-Nitrosamine Formation Kinetics in Wastewater Effluents and Surface Waters”
2017 Journal AWWA Water Resources and Sustainability Best Paper Award for “Severe Weather Impacts on Water Quality in Central Arizona”
2016 One of the 14 Inaugural Members of the UMASS CEE Academy of Distinguished Alumni
2016 Fulton Faculty Exemplar, ASU (2 year recognition award)
2016 Best Paper Award “Extent and Impacts of Unplanned Wastewater Reuse in US Rivers”, Journal American Water Works Association – AWWA Water Resources Sustainability Division Best Paper Award
2015 Listed in “The World’s most influential scientific minds 2015 “as “Highly cited researchers” by Thomson Reuters in the category “Environment/Ecology“ (out of 132 names).
2015 Journal of Environmental Quality Best Paper Award for “The Release of Nanosilver from Consumer Products Used in the Home” by Benn, T., Cavanagh, B., Hristovski, K., Posner, J.D., Westerhoff, P.J. (Journal of Environmental Quality, 39:6:1875-1882 [2010])
2015 ASU Outstanding Doctoral Mentor for 2015 (1 of 3 awardees campus wide)
2014 American Academy of Environmental Engineers Certification Board – appointed by eminence in the specialty of Water Supply and Wastewater as a Board Certified Environmental Engineer (BCEE)
2014 Journal of Environmental Monitoring, Most cited research article from the 2012 Impact Factor Award for “Occurrence and removal of titanium at full scale wastewater treatment plants: implications for TiO2 nanomaterials”
2013 Journal AWWA, Water Science & Research Division Best Paper Award “GAC Removal of Organic Nitrogen and Other DBP Precursors”
2013 ARCADIS/AEESP Frontier in Research Award
2012 Nathan Burbank Environmental Educator Award, AZ Water
2011 Ira A. Fulton Schools of Engineering AY2010-11 Top 5% Teachers List Award
2010 Appointed as a Senior Sustainability Scientist to the Global Institute of Sustainability, Arizona State University
2007 Promotion and Tenure Faculty Exemplar, Arizona State University, Salary increasing and $50,000 for discretionary funds over five years.
2007 Selected to attend the National Academy of Engineering Frontiers of Science conference at Microsoft in Seattle, WA
2006 Paul L. Busch Research Award from Water Environment Research Foundation Endowment for Innovation in Applied Water Quality Research, Tools to Characterize and Understand the Risk of Biogenic and Commercial Nanomaterials in Wastewater Effluents ($100,000)
2005 Barrett, The Honors College award for 2005-2006 Honors Disciplinary Faculty
2005 Awwa Annual Conference Poster Symposium First Place Award “Aerogel-GAC Composites for Arsenic and Uranium Removal”, Water Science and Research Division (Westerhoff, Badruzzaman, Navarnoaragon Coleman, Reynolds, Gammon, Genetti)
2005 Walter L. Huber Civil Engineering Research Prize for “Reactions between natural organic matter and micropollutants with ozone, chlorine, and bromine”.
2004 Journal of Environmental Engineering “Editor’s Award” (for consistently rated as excellent in evaluating manuscripts) From Mark Rood, Editor
2003 AWWA Water Quality and Technology Conference Third Place (out of 41) Poster Award for “Dissolved Organic Nitrogen Analysis in Drinking Water”
2001 Quentin Mees Research Award, Arizona Water Pollution Control Association for “Removal of MIB and Geosmin in Surface Water Treatments in Arizona”
2000 WEFTEC Annual Conference Poster Symposium First Place Award “Characterization of wastewater organic matter during full-scale treatment” (Esparza-Soto and Westerhoff)
1999 American Water Works Association Journal Publications Best Overall Paper Award
1999 American Water Works Association Water Quality Division Best Journal Paper Award.
1997 Quentin Mees Research Award, Arizona Water Pollution Control Association, for paper entitled “A
model for predicting bromide oxidation by ozone and HO radicals to bromate and the potential role for ozone in treating Arizona surface waters”
Associate Editor, Environmental Science and Technology