Volume 17, Issue 5 (Iranian South Medical Journal 2014)                   Iran South Med J 2014, 17(5): 927-937 | Back to browse issues page

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Mozafarizadeh J, Sajadi Z. Survey of groundwater chemical pollution in the Borazjan plain. Iran South Med J 2014; 17 (5) :927-937
URL: http://ismj.bpums.ac.ir/article-1-607-en.html
1- Head of Research Committee, Bushehr regional water authority , jaber_mozaffarizadeh@yahoo.com
2- Department of Geology, School of Sciences, Shahid Chamran University, Ahvaz, IRAN
Abstract:   (6504 Views)

Background: Nitrate due to its high water solubility, poor absorption and having stable composition in the water, has been studied as the best index to indicate groundwater contamination. Borazjan, located in the north of Bushehr province, is one of fertile plains which nitrate contamination of groundwater has occurred in the most parts of it. Detecting the source of pollution and the most vulnerable areas were the aims of this study. Material and Methods: In this study, hydrochemical quality, especially in terms of nitrate, sulfate, chloride sodium, spatial and temporal variations and the origin of them in the groundwater of Borazjan plain, are studied. Groundwater samples from 12 wells were collected in April and August 2012 and assessed to determine the parameters of hydrochemistry and pollution. Results: Based on these results, severe nitrate contamination of groundwater, especially in the southern part of the plain, by agricultural activities, cesspool wells, domestic sewage and livestock and poultry wastewater the influence of the effluent from the aviculture, were occurred. Also, the quality of groundwater resources showed that concentration of Cl- , Na+, SO42- , and NO3- are more than standard limit and only in some areas of plain, concentration of ions such as NO3- and Na+ is less than the standard limit. Conclusion: According to the results of this study, using chemical fertilizers in terms of time period and amount of consumption should be properly managed. Furthermore, domestic wastewater, livestock and poultry wastewater should be controlled and the monitoring system for measuring the exact quantity and quality of groundwater resources must be completed.

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Type of Study: Original | Subject: General
Received: 2013/01/19 | Accepted: 2013/05/26 | Published: 2014/10/15

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