Leachate Characterization and Assessment of Groundwater Pollution Near Municipal Solid Waste Landfill Site |
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| Authors: | Suman Mor Khaiwal Ravindra R P Dahiya A Chandra |
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| Institution: | (1) Centre for Energy Studies, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India;(2) Micro and Trace Analysis Centre, Department of Chemistry, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium |
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| Abstract: | Leachate and groundwater samples were collected from Gazipur landfill-site and its adjacent area to study the possible impact
of leachate percolation on groundwater quality. Concentration of various physico-chemical parameters including heavy metal
(Cd, Cr, Cu, Fe, Ni, Pb and Zn) and microbiological parameters (total coliform (TC) and faecal coliform (FC)) were determined
in groundwater and leachate samples. The moderately high concentrations of Cl−, NO−
3, SO2−
4, NH+
4, Phenol, Fe, Zn and COD in groundwater, likely indicate that groundwater quality is being significantly affected by leachate
percolation. Further they proved to be as tracers for groundwater contamination. The effect of depth and distance of the well
from the pollution source was also investigated. The presence of TC and FC in groundwater warns for the groundwater quality
and thus renders the associated aquifer unreliable for domestic water supply and other uses. Although some remedial measures
are suggested to reduce further groundwater contamination via leachate percolation, the present study demand for the proper
management of waste in Delhi. |
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| Keywords: | groundwater contamination health risk landfill leachate remedial measure solid waste tracer |
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