Natural and anthropogenic factors affecting the groundwater quality in Serbia
DOI: 10.1016/j.scitotenv.2013.09.011
Title: Natural and anthropogenic factors affecting the groundwater quality in Serbia
Journal Title: Science of The Total Environment
Volume:
Publication Date: 15 January 2014
Start Page: 933
End Page: 942
Published online: online 28 September 2013
ISSN: 0048-9697
Author: Gordana Devic, Dragana Djordjevic1, Sanja Sakan1
Affiliations:
  • Department of Chemistry, ICTM, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
  • Abstract: chemometric techniques were used to analyze the quality of groundwater data sets. Seventeen water quality parameters: the cations Na, K, Ca, Mg, the anions Cl, SO4, NO3, HCO3 and nine trace elements Pb, As, Mn, Ni, Cu, Cd, Fe, Zn and Cr were measured at 66 different key sampling sites in ten representative areas (low land-Northern Autonomous Province of Serbia, Vojvodina and central Serbia) for the summer period of 2009. HCA grouped the sample sites into four clusters based on the similarities of the characteristics of the groundwater quality. DA showed two parameters, HCO3 and Zn, affording more than 90% correct assignments in the spatial analysis of four/three different regions in Serbia. Factor analysis was applied on the log-transformed data sets and allowed the identification of a reduced number of factors with hydrochemical meaning. The results showed severe pollution with Mn, As, NO3, Ni, Pb whereby anthropogenic origin of these contaminants was indicated. The pollution comes from both scattered point sources (industrial and urban effluent) and diffuse source agricultural activity. These samples may not be suitable for human consumption; the water quality belongs to class III/IV (contaminated). The Fe anomalies (7.1 mg/L) in the water from the Vetrnica site can be attributed to Natural sources, such as the dissolution of rock masses and rock fragments. The serious groundwater contamination with As (25.7–137.8 μg/L) in the area of Banat (Northern Autonomous Province of Serbia, Vojvodina) and a sample No. 9 at the Great Morava River requires urgent attention.
    Accepted: 3 September 2013
    Received: 22 July 2013
    Revised: 3 September 2013
    Fax: +?381 11 2636 061
    Email: gdevic@chem.bg.ac.rs gordana.devic@yahoo.com dragadj@chem.bg.ac.rs sanjasakan@yahoo.com

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