Volume 26, Issue 2 (ُSummer 2022)                   JWSS 2022, 26(2): 249-261 | Back to browse issues page


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Kolivand Z, Pardakhti A. Risk Assessment of Urmia Groundwater Contamination by Heavy Metals of Urban Industrial Effluents. JWSS 2022; 26 (2) :249-261
URL: http://jstnar.iut.ac.ir/article-1-4132-en.html
University of Tehran , Alirezap@ut.ac.ir
Abstract:   (208 Views)
In the past years, by increasing population and water consumption, as well as the high cost of developing surface water resources, the exploitation of groundwater resources has increased significantly. In the current situation, a significant part of the country's water consumption in all sectors of consumption is provided by groundwater sources. On the other hand, the development of industry and the entry of pollutants, including heavy metals, into the groundwater endanger the health of humans. The present research has investigated the non-cancerous risk caused by heavy metals in the groundwater of Urmia plain for both children and adults. This research is based on a descriptive-analytical method based on the available data, in which the concentration of polluting metals obtained from the studies conducted in the fall and winter of 2016 from the number of 12 wells supplying rural drinking water in the Urmia plain has been analyzed. Also, human health risk assessment was measured using the United States Environmental Protection Agency index. The results showed that there are six heavy metals including cadmium, copper, iron, manganese, nickel, and lead in the region's groundwater, among which two of the wells have cadmium and lead values higher than national and international standards. Also, the total non-cancer risk index through ingestion and skin absorption for both children and adults groups was found to be 0.23 and 0.096, respectively, which is less than one, and this indicates that the water quality of the region is suitable for drinking.
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Type of Study: Research | Subject: Ggeneral
Received: 2021/02/8 | Accepted: 2021/10/16 | Published: 2022/09/1

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