Drinking Water

Prevention is better than cure

Thanks to the fact that Switzerland’s surface waters have been kept clean, this maxim has to a large extent been upheld. However, the presence of new (harmful) substances allows no room for complacency on this front. Globally, there is an urgent need for cost-effective and energy-efficient water treatment solutions on various scales - all the way through to wastewater recycling.


October 16, 2019

In aquatic ecosystems, both mussels and macrophytes increase water clarity and generally help to prevent excessive algal growth. However, according to a study carried out at Eawag’s experimental pond facility, these stabilizing effects can be disrupted when the co‑occurrence of species gives rise to complex interactions.

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September 9, 2019

Awareness of sustainable groundwater consumption is increasing in importance because of changing land use and climate change. As a result, the desire to better understand the natural and anthropogenic processes that have an influence on groundwater quality is growing. Read more

Scientific publications

Liu, S.; Salhi, E.; Huang, W.; Diao, K.; von Gunten, U. (2019) Kinetic and mechanistic aspects of selenite oxidation by chlorine, bromine, monochloramine, ozone, permanganate, and hydrogen peroxide, Water Research, 164, 114876 (9 pp.), doi:10.1016/j.watres.2019.114876, Institutional Repository
Canonica, S.; Schönenberger, U. (2019) Inhibitory effect of dissolved organic matter on the transformation of selected anilines and sulfonamide antibiotics induced by the sulfate radical, Environmental Science and Technology, 53(20), 11783-11791, doi:10.1021/acs.est.9b04105, Institutional Repository
Suess, E.; Aemisegger, F.; Sonke, J. E.; Sprenger, M.; Wernli, H.; Winkel, L. H. E. (2019) Marine versus continental sources of iodine and selenium in rainfall at two European high-altitude locations, Environmental Science and Technology, 53(4), 1905-1917, doi:10.1021/acs.est.8b05533, Institutional Repository
Ossola, R.; Tolu, J.; Clerc, B.; Erickson, P. R.; Winkel, L. H. E.; McNeill, K. (2019) Photochemical production of sulfate and methanesulfonic acid from dissolved organic sulfur, Environmental Science and Technology, 53, 13191-13200, doi:10.1021/acs.est.9b04721, Institutional Repository
Leresche, F.; McKay, G.; Kurtz, T.; von Gunten, U.; Canonica, S.; Rosario-Ortiz, F. L. (2019) Effects of ozone on the photochemical and photophysical properties of dissolved organic matter, Environmental Science and Technology, 53(10), 5622-5632, doi:10.1021/acs.est.8b06410, Institutional Repository
To the library
Kiefer, K.; Müller, A.; Singer, H.; Hollender, J.; Reinhardt, M. (2019) Pflanzenschutzmittel-Metaboliten im Grundwasser. Ergebnisse aus der NAQUA-Pilotstudie "Screening", Aqua & Gas, 99(11), 14-23, Institutional Repository

Selected research projects and programs

An inter- and transdisciplinary strategic research program that strives to develop novel non-gridconnected water and sani- tation systems that can function as comparable alternatives to network-based systems.
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)


Prof. Dr. Janet Hering
  • biogeochemistry
  • sustainable water management
  • water treatment
  • water quality
Dr. Stephan Hug
  • arsenic
  • solid-water interfaces
  • groundwater
  • spectroscopic methods
Prof. Dr. Rolf Kipfer
  • noble gases
  • isotopes
Prof. Dr. Urs Von Gunten
  • advanced oxidation processes
  • ozonation
  • drinking water
  • water treatment