Paul Westerhoff

Regents Professor
Sch Sustain Engr & Built Envrn
BDI Associate Faculty
Biodesign Swette EB

Location: TEMPE

Contact Information
(480) 965-2885


  • 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

Research Interests

Prof. Westerhoff's research focuses on emerging issues in water treatment and developing novel treatment technologies to address todays and emerging issues.


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 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) .  He has over 350 journal publications 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.