Study of Leachate from the Landfill of Rasht on Groundwater Quality (Case study; the Wells Around Saravan village)

Document Type : Original Article

Authors

1 Environmental research Institute

2 Department of Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran

3 academic center for education, culture and research

4 environmental research institute, ACECR

5 ACECR

Abstract

Because of the high groundwater level available in Guilan plain and the possibility of contamination of groundwater due to leachate from urban landfills, in this study, the quality of groundwater in 9 wells in the southern area of the landfill of Rasht was examined and the concentration of COD, TN, TP, TDS, EC, and other input of used methods were analyzed. In order to investigate the spatial and temporal changes in groundwater quality in the study area, the qualitative parameters used in terms of drinking and agriculture purposes in Schuler and Wilcox classifications were zoned into two dry and wet seasons using Geographic Information System. The results showed that groundwater quality in this area is good and acceptable for drinking based on Schuler classification and good and acceptable for agricultural purposes based on Wilcox classification. Comparison of zoning maps showed that all parameters in the wet season have decreased in the direction of groundwater flow. Also, the results showed that the landfill of Rasht has no effect on groundwater quality in the study area and it is most likely that the leachate flow is aligned with the flow of the surface leachate to the north and northwest.

Keywords

Journal of Environmental Science Studies
Volume 5, Issue 3
June 2020
Pages 2905-2912

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