Grants per year
Personal profile
Education/Academic qualification
PHD, University of Colorado-Boulder
… → 1995
MS, University of Massachusetts-Amhurst
… → 1991
BS, Lehigh University
… → 1989
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Collaborations and top research areas from the last five years
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Arizona Water Innovation Initiative
White, D. (PI), Porter, S. (CoI), Famiglietti, J. (CoI), Vivoni, E. (CoI), Westerhoff, P. (CoI) & Wutich, A. (CoI)
US Department of the Treasury (Treasury)
1/1/23 → 12/31/26
Project: Research project
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Science and Technologies for Phosphorus Sustainability (STEPS) Center
Muhich, C. (CoI), Boyer, T. (CoI), Rittmann, B. (CoI), Westerhoff, P. (PI) & Elser, J. (CoI)
National Science Foundation (NSF)
10/1/21 → 9/30/26
Project: Research project
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Phase 2 - Autonomous and modular greywater treatment system for in-home sanitary
Westerhoff, P. (PI) & Sinha, S. (CoI)
Gates (Bill and Melinda) Foundation
10/30/23 → 10/31/25
Project: Research project
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NEWT Non-core Project: In-Situ Resources Production of Hydrogen Gas & Liquid Hydrogen Peroxide from Water Using Functionalized Optical Fibers
Rittmann, B. (CoI), Westerhoff, P. (PI) & Lai, Y.-J. (CoI)
8/2/23 → 9/2/24
Project: Research project
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NSF Nanosystems Engineering Research Center for Off-Grid Nanotechnology Enabled Water Treatment (NEWT)
Westerhoff, P. (PI)
National Science Foundation (NSF)
6/26/23 → 12/31/24
Project: Research project
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Aqueous Composition of Growth Environments Alter Ultraviolet (UV–C) Inactivation Kinetics of Planktonic Pseudomonas aeruginosa
Niimi, K. T., Zhao, Z., Milligan, M. & Westerhoff, P., Jan 9 2026, In: ACS ES and T Water. 6, 1, p. 228-239 12 p.Research output: Contribution to journal › Article › peer-review
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Benefits and yields of simultaneous free chlorine and hydrogen generation in side-emitting optical fiber photocatalytic reactors
Fu, H., Sheard, E., Ananpattarachai, J., Ioka, D., Pan, Z. & Westerhoff, P., Jun 4 2026, In: Journal of Materials Chemistry A. 14, 33, p. 21492-21506 15 p.Research output: Contribution to journal › Article › peer-review
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Best practices for catalytic water treatment
Chouinard, C., Westerhoff, P. & Kim, J. H., Jan 2026, In: Nature Sustainability. 9, 1, p. 8-11 4 p.Research output: Contribution to journal › Comment/debate › peer-review
8 Link opens in a new tab Scopus citations -
Challenges and Opportunities in PFAS Waste Management for Semiconductor Manufacturing
Gokhale, D., Cerrón-Calle, G. A., Kim-Fu, M. L., Flores, K., Román Santiago, A., Tsai, S. W., Aga, D. S., Aich, N., Diallo, M. S., Doudrick, K., Hanigan, D., Hernández Sánchez, R., Howarter, J., Jiang, J. “., Jones, G. D., Lee, L. S., Liu, H., Manz, K. E., McKenzie, E. R. & Padhye, L. P. & 10 others, , Jan 27 2026, In: Environmental Science and Technology. 60, 3, p. 2259-2276 18 p.Research output: Contribution to journal › Review article › peer-review
3 Link opens in a new tab Scopus citations -
Comparative evaluation of limit-of-detection-based and K-nearest-neighbors-based classification approaches for detecting effluent contamination using fluorescence-derived water quality parameters
Yolanda, Y. D., Nurhayati, M., Kim, S., Lee, B. J., Westerhoff, P. & Lee, S., Feb 1 2026, In: Journal of Environmental Management. 399, 128656.Research output: Contribution to journal › Article › peer-review
Press/Media
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An ASU researcher studying water insecurity is elected to the National Academy of Sciences
Westerhoff, P., Stone, A. & Wutich, A.
6/23/26
1 item of Media coverage
Press/Media: Press / Media
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Using Electricity To Remove Hard-To-Treat Water Pollutants
Rittmann, B., Westerhoff, P., Pendyala, R. & Garcia Segura, S.
6/22/26 → 6/23/26
2 items of Media coverage
Press/Media: Press / Media
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ASU works with industry to unlock next generation of water savings
6/19/26
1 item of Media coverage
Press/Media: Press / Media
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CSET showcases research excellence at Unisa Research and Innovation Week 2026
6/13/26
1 item of Media coverage
Press/Media: Press / Media