Stephanie Spahr

Programme Area Speaker
Research Group Leader
+49 (0)30 64181 697

Müggelseedamm 301, 12587 Berlin

Research group
  • Trace organic contaminants in surface waters, wastewater, stormwater, and drinking water
  • Biogeochemical transformation processes of organic contaminants 
  • Advanced oxidation processes for water treatment
  • Urban blue-green infrastructure for stormwater purification
  • Compound-specific isotope analysis to assess contaminant sources and transformation mechanisms

Scientific Career

Since 2021        Research Group Leader, IGB Berlin, Germany

2019 - 2021       Junior Research Group Leader, University of Tübingen, Germany, Center for Applied Geoscience

2016 - 2019       Postdoctoral Researcher, Stanford University, CA, USA, Department of Civil and Environmental Engineering & Research Center for Re-Inventing the Nation’s Urban Water Infrastructure (ReNUWIt).



2012 - 2016     PhD in Environmental Chemistry, Swiss Federal Institute of Technology Lausanne (EPFL, Switzerland) & Swiss Federal Institute of Aquatic Science and Technology (Eawag, Switzerland). Thesis: Formation of N-nitrosodimethylamine during water disinfection with chloramine: Insights into reaction mechanisms from isotope fractionation analyses.

2010 - 2012      MSc in Geoecology, University of Tübingen, Germany. Thesis: Carbon and nitrogen isotope analysis of benzotriazoles (conducted for 8 months at Eawag, Switzerland)

2007 - 2010     BSc in Geoecology / Ecosystem management, University of Tübingen, Germany


Honors and Awards



  • American Chemical Society (ACS)
  • Society of Environmental Toxicology and Chemistry (SETAC)
  • Gesellschaft Deutscher Chemiker (GDCh)
  • Water Chemistry Society
  • German Academic International Network (GAIN)





December 2022
Authors: Tobias Goldhammer, Sabine Hilt, Michael Hupfer, Jan Köhler, Jörg Lewandowski, Stephanie Spahr, Markus Venohr. Editorial team: Johannes Graupner

Nutrients – Action plan for better management: IGB Feedback [25 August 2022]

December 2022
Autorzy odpowiedzialni: Christian Wolter, Jörn Geßner, Jan Köhler, Martin Pusch, Tobias Goldhammer, Stephanie Spahr. Redakcja: Angelina Tittmann, Johannes Graupner. Publisher: Leibniz Institute of Freshwater Ecology and Inland Fisheries(IGB)

Przyszłość Odry : Naukowe zalecenia dotyczące działań w następstwie katastrofy ekologicznej spowodowanej przez człowieka: IGB Policy Brief

March 2022
Dr. Clarissa Glaser; Prof. Dr. Michael Kunz; Dr. Stephanie Spahr; Dr. Ute Weber

Messkampagne liefert einzigartige Daten über Wetterextreme

Wasserwirtschaft. - 112(2022)2-3, 80-81


December 2021
PD Dr. Jörg Lewandowski; Dr. Tobias Goldhammer; Anja Höhne; Lukas Kleine; Anna Lena Kronsbein; PD Dr. Thomas Mehner; Birgit Maria Müller; PD Dr. Martin Pusch; Christoph Josef Reith; Hanna Schulz; Dr. Stephanie Spahr

Ansiedlung von industriellen Großprojekten in wasserarmen Gebieten: [wwt Modernisierungsreport 2021/2022]

Wasserwirtschaft - Wassertechnik. - (2021)Sonderausgabe Modernisierungsreport 2021/2022, 32-39
Contact person
Mark Gessner
Sabine Hilt
(Dept. 1) Ecohydrology and Biogeochemistry
(Dept. 2) Community and Ecosystem Ecology
(Dept. 3) Plankton and Microbial Ecology
Contact person
Martin Pusch
Christian Wolter
Sonja Jähnig
Thomas Mehner
(Dept. 1) Ecohydrology and Biogeochemistry
(Dept. 2) Community and Ecosystem Ecology
(Dept. 3) Plankton and Microbial Ecology
(Dept. 4) Fish Biology, Fisheries and Aquaculture
(Dept. 5) Evolutionary and Integrative Ecology
Publications before 2021

Spahr, S., Teixido, M., Sedlak, D. L., Luthy, R. G. Hydrophilic trace organic contaminants in urban stormwater: Occurrence, toxicological relevance, and the need to enhance green stormwater infrastructure. Environmental Science: Water Research and Technology, 2020, 6, 15-44.

Ashoori., N., Teixido, M., Spahr, S., LeFevre, G. H., Sedlak, D. L., Luthy, R. G. Evaluation of pilot-scale biochar-amended woodchip bioreactors to remove nitrate, metals, and trace organic contaminants from urban stormwater runoff. Water Research, 2019, 154, 1-11.

Spahr, S., von Gunten, U., Hofstetter, T. B. Carbon, hydrogen, and nitrogen isotope fractionation trends in N-nitrosodimethylamine reflect the formation pathway during chloramination of tertiary amines. Environmental Science and Technology, 2017, 51 (22), 13170-13179.

Spahr, S., Cirpka, O. A., von Gunten, U., Hofstetter, T. B. Formation of N-nitrosodimethylamine during chloramination of secondary and tertiary amines: Role of molecular oxygen and radical intermediates. Environmental Science and Technology, 2017, 51 (1), 280-290.

Spahr, S., Bolotin, J., Schleucher, J., Ehlers, I., von Gunten, U., Hofstetter, T. B. Compound-specific carbon, nitrogen, and hydrogen isotope analysis of N-nitrosodimethylamine in aqueous solutions. Analytical Chemistry, 2015, 87(5), 2916-2924.

Hofstetter, T. B., Bolotin, J., Pati, S. G., Skarpeli-Liati, M., Spahr, S., Wijker, R. S. Isotope effects as new proxies for organic pollutant transformation. CHIMIA International Journal for Chemistry, 2014, 68(11), 788-792.

Huntscha, S., Hofstetter, T. B., Schymanski, E. L., Spahr, S., Hollender, J. Biotransformation of benzotriazoles: Insights from transformation product identification and compound-specific isotope analysis. Environmental Science and Technology. 2014, 48(8), 4435-4443.

Spahr, S., Huntscha, S., Bolotin, J., Maier, M. P., Elsner, M., Hollender, J., Hofstetter, T. B. Compound-specific isotope analysis of benzotriazole and its derivatives. Analytical and Bioanalytical Chemistry. 2013, 405(9), 2843-2856.

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