Peter Jaffé

William L. Knapp '47 Professor of Civil Engineering
Professor of Civil and Environmental Engineering


Office: E-Quad, E411

Phone: 609-258-4653

Research interests: Novel mechanisms of ammonium oxidation under iron reducing conditions and its applications to water treatment; optimization of nitrification/denitrification in waste treatment systems; transport and transformation of pollutants in the environment; remediation of contaminated systems; numerical simulation of denitrification in soils as a function of rainfall and soil properties; climate change models; biogeochemically mediated dynamics of trace metals in sediments, wetland soils, and groundwater; biological reduction of uranium in groundwater; long-term stability of the reduced uranium phases; nitrogen processing in urban settings coupled to urban hydrology; effects of carbon dioxide sequestration in deep aquifers on shallow soils due to potential leaks.


  • Photo of a city from afar, with grass in foreground. This is the Meadowlands.

    Princeton research is pursuing a sustainable future for New Jersey and the world

  • Jaffé briefs Congress on “forever chemicals”

  • photo of eric wood

    Eric Wood, leader in hydrology, dies at 74

  • Prismatic graphic with words "Commendation for Outstanding Teaching"

    Faculty commended for outstanding teaching

  • Matrix of fluorescent particles with pores that open and close

    Artificial leaves, floating breakwaters and musical memories are among recipients of 2021 innovation grants

  • Aerial image of river delta

    Water, drought and flooding: A half-century at the environmental forefront


  • Bioengineering and Health

  • Energy and Environment

  • Map of bay with design flood protection measures.

    Cities and the Future Metropolis


  • Three students look closely at a model of an architectural structure.

    Civil and Environmental Engineering

  • Faculty member, seated at end of row of colleagues, leads panel discussion.

    Andlinger Center for Energy and the Environment

  • Researchers, dressed in white suits, work in "clean room" lab under yellow light.

    Princeton Materials Institute