Staff

Anja Bretzler

Anja Bretzler

Department Water Resources & Drinking Water

About Me

I am a post-doctoral researcher in the group of Dr. Michael Berg (contaminant hydrology). My main focus currently lies on the "Groundwater Assessment Platform" (GAP), a free online data platform for mapping, statistical modelling and information exchange concerning geogenic groundwater contamination.

Previously, I was a PhD candidate in the groups of Prof. Mario Schirmer (Hydrogeology) and Dr. Stephan Hug (Chemistry of water resources). I conducted research on geogenic arsenic contamination of groundwater in Burkina Faso, West Africa, a drinking water contaminant that poses a serious health threat to the population. Using large-scale statistical models, we delineated areas with an elevated probability of having arsenic-affected groundwater due to favourable geological conditions. This work culminated in an arsenic hazard map for Burkina Faso that supports local stakeholders in the supply of safe drinking water. Other parts of my PhD focused on the development and field testing of low-cost, low-tech treatment methods to remove arsenic from drinking water in remote rural communities. The project was a collaborative effort together with partners from the Institut International d’Ingénierie de l’Eau et de l’Environnement (2iE), Université Ouaga I Pr. Ki-Zerbo and the NGO "Le soleil dans la main".



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Projects

An integrated project that aimed to develop a generally applicable framework for the mitigation of geogenic contamination in groundwater used for drinking, in particular concerning arsenic and fluoride.
This project facilitates the exchange of data, maps and information on geogenic contaminants (focussing on arsenic and fluoride) via the web-based Groundwater Assessment Platform (GAP)

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Curriculum Vitae

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Selected publications

Bretzler, A.; Berg, M.; Winkel, L.; Amini, M.; Rodriguez-Lado, L.; Sovann, C.; Polya, D. A.; Johnson, A. (2017) Geostatistical modelling of arsenic hazard in groundwater, In: Bhattacharya, P.; Polya, D. A.; Jovanovic, D. (Eds.), Best practice guide on the control of arsenic in drinking water, 153-160, Institutional Repository
Bretzler, A.; Lalanne, F.; Nikiema, J.; Podgorski, J.; Pfenninger, N.; Berg, M.; Schirmer, M. (2017) Groundwater arsenic contamination in Burkina Faso, West Africa: predicting and verifying regions at risk, Science of the Total Environment, 584, 958-970, doi:10.1016/j.scitotenv.2017.01.147, Institutional Repository
Bretzler, A.; Johnson, C. A. (2015) The geogenic contamination handbook: addressing arsenic and fluoride in drinking water, Applied Geochemistry, 63, 642-646, doi:10.1016/j.apgeochem.2015.08.016, Institutional Repository
Bretzler, A.; Osenbrück, K.; Gloaguen, R.; Ruprecht, J. S.; Kebede, S.; Stadler, S. (2011) Groundwater origin and flow dynamics in active rift systems – a multi-isotope approach in the Main Ethiopian Rift, Journal of Hydrology, 402(3–4), 274-289, doi:10.1016/j.jhydrol.2011.03.022, Institutional Repository

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Address

E-Mail: anja.bretzler@eawag.ch
Phone: +41 58 765 5004
Fax: +41 58 765 5802
Address: Eawag
Überlandstrasse 133
8600 Dübendorf
Office: BU D07

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