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- W2107681694 abstract "Abstract Given the importance of groundwater resources in water supply, this work aimed to study quality of drinking groundwater in rural areas in Tabriz county, northwest of Iran. Thirty two groundwater samples from different areas were collected and analyzed in terms of general parameters along with 20 heavy metals (e.g. As, Hg and …). The data of the analyses were applied as an attribute database for preparing thematic maps and showing water quality parameters. Multivariate statistical techniques, including principal component analysis (PCA) and hierarchical cluster analysis (CA) were used to compare and evaluate water quality. The findings showed that hydrochemical faces of the groundwater were of calcium-bicarbonate type. EC values were from 110 to 1750 μs/cm, in which concentration of salts was high in the east and a zone in north of the studied area. Hardness was from 52 to 476 mg/l and CaCO 3 with average value of 185.88 ± 106.56 mg/L indicated hard water. Dominant cations and anions were Ca 2+ > Na + > Mg 2+ > K + and HCO 3 − > Cl − > SO 4 2− > NO 3 2 , respectively. In the western areas, arsenic contamination was observed as high as 69 μg/L. Moreover, mercury was above the standard level in one of the villages. Eskandar and Olakandi villages had the lowest quality of drinking water. In terms of CA, sampling sites were classified into four clusters of similar water quality and PCA demonstrated that 3 components could cover 84.3% of the parameters. For investigating arsenic anomaly, conducting a comprehensive study in the western part of studied area is strongly recommended." @default.
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- W2107681694 date "2014-06-24" @default.
- W2107681694 modified "2023-10-16" @default.
- W2107681694 title "Quality modeling of drinking groundwater using GIS in rural communities, northwest of Iran" @default.
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- W2107681694 doi "https://doi.org/10.1186/2052-336x-12-99" @default.
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