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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jul 2022, 43 (4)                                     Back

nstantaneous and historical temperature effects on a-pinene

Assessing the risk of landfill leachate on the

groundwater quality of Chandigarh


K. Kaur1, S. Mor1, N. Vig1 and K. Ravindra2*

1Department of Environment Studies, Panjab University, Chandigarh-160 014, India

2Department of Community Medicine and School of Public Health, Postgraduate Institute of Medical Education and Research (PGIMER),

Chandigarh-160 012, India

*Corresponding Author Email :


Received: 30.07.2021                                                                                                   Revised: 14.10.2021                                                                               Accepted: 08.03.2022




Aim: Unscientific dumping of municipal solid waste (MSW) is still prevalent in the developing world, leading to adverse environmental and human health consequences. This study was conducted to assess the groundwater contamination due to leachate from the MSW dumping site in Chandigarh.

Methodology: Leachate and groundwater samples from different sources were collected for two sampling periods from the vicinity of dumping site within a radius of 3 km. Collected samples were analyzed for physico-chemical parameters, heavy metals and microbiological examination.

Results: The result showed high load of organic and inorganic contaminants in leachate as it had a higher COD value (10008 mgl-1 and 18280 mg l-1) whereas ammoniacal nitrogen (NH4+-N) levels were 2389 mg l-1 and 5796 mg l-1 for two sampling periods. The concentration of Cu and Zn were highest amongst all the analyzed heavy metals in leachate samples. Almost all parameters in groundwater samples exceeded the BIS and WHO standard limits, which showed high contamination of groundwater surrounding the dumping site.

Interpretation: Higher concentrations of COD and NH4+-N in most groundwater samples indicates percolation of landfill leachate into the groundwater aquifer, leading to its contamination. Groundwater samples collected near the dumping sites of lower depth have higher levels of pollutants than the samples collected from higher depth.

Key words: Contamination, Groundwater, Landfill, Leachate, Risk assessment, Solid waste




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