IMPACT ASSESSMENT ON GROUNDWATER CONTAMINATION FROM BHALSWA LANDFILL

Abstract

Municipal solid waste (MSW) dumps are widespread, and their numerous hazardous materials pose a serious threat to the environment and the local population. Leachate, which seeps into the porous ground surface after waste is dumped in a landfill, can contaminate groundwater. Such leachate makes groundwater and the associated aquifer unsuitable for houses water supplies and other uses. In the present study, five leachate samples are collected around Bhalswa landfill, and ten groundwater samples are collected between Bhalswa landfill to Delhi technological university at random distances of 366.82 m, 443.14 m, 557.09 m, 557.09 m, 679.07 m, 2890 m, 3220 m, 3510 m, 3630 m, 4240 m and 4290 m for physicochemical analysis of leachates and groundwater. This physicochemical analysis includes parameters like pH, total dissolved solids (TDS), alkalinity, sulphate, nitrate, electrical conductivity, chloride, and phosphate and the results obtained for groundwater are compared with the BIS code of drinking water to know whether groundwater is suitable for drinking or another domestic purpose.