1. Technical University Berlin, Department of Water Quality Control, Sekr. KF 4 Strasse des 17. Juni 135, D-10623, Berlin, Germany
2. Technical University of Berlin, Centre for Water in Urban Areas, Sekr. KF 4 Strasse des 17. Juni 135, D-10623, Berlin, Germany
3. Veolia Environment, Water Resource Management and Environmental Modelling 36 rue de Liege, 75008, Paris, France
4. Berliner Wasserbetriebe, Cicerostrasse 24, D-10709, Berlin, Germany