often manipulated, data sources obtained from direct and indirect measurements. The main challenges that affect hydraulic and hydrological modelling are improper formulation of conceptual models (NRC 2001) and the lack of uncertainty estimation (Pappenberger and Beven 2006) which is inherent in the modelling process. Conclusions Effi cient management of groundwater relies on the effectiveness of applicable legislation and institutional arrangements as well as good understanding of the behaviour of the aquifer or well-fi eld being managed (i.e. quality and quantity) (Dimkić and Milovanović 2008). Groundwater management has developed into an interdisciplinary science and is not just the purview of the hydrogeologist. The discipline-specifi c approach to solving specifi c research questions is important but on its own it cannot address current environmental problems. A coordinated approach that links various disciplines is important. 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