Assessment of Solid Waste on Groundwater Quality Using 2d Electrical Resistivity Tomography (ERT) And Water Sample Analysis in Selected Locations of Aliero, Northwestern Nigeria

Usman Labaran; Zayyanu U. Magawata; D. S. Bonde; Ismail Umar; Bashar Garba; Augie; Sifyanu; Magaji; Isah Shuaibu; Lukman Lawali Kane

doi:10.56201/rjpst.vol.9.no6.2026.pg240.249

Assessment of Solid Waste on Groundwater Quality Using 2d Electrical Resistivity Tomography (ERT) And Water Sample Analysis in Selected Locations of Aliero, Northwestern Nigeria

Usman Labaran,, Zayyanu U. Magawata, D. S. Bonde, Ismail Umar, Bashar Garba, Augie,, Sifyanu, Magaji, Isah Shuaibu, and Lukman Lawali Kane

Abstract

Municipal solid waste disposal sites can be sources of groundwater contamination, and contamination is more likely in humid areas, where available moisture exceeds the waste pile's capacity to absorb water. In tropical countries like Nigeria, which is characterized by high rainfall, subsurface contamination problems are expected to occur. The seriousness of the pollution problem is still unknown, and a specific, detailed study is generally needed. Two-dimensional geoelectrical imaging has frequently been used in subsurface pollution studies. The method maps the distribution of resistivity of subsurface materials. The resistivity image provides general information on the subsurface stratification of buried waste and contaminated soil, as well as the depth to bedrock beneath the traverse lines. Underground soil or water that has been contaminated by leachate usually has a significantly lower resistivity value. This paper discusses the results of the 2-D resistivity imaging, which were conducted to identify and delineate the extent of contaminated soil and leachate plumes, as well as to assess the capability of the 2-D resistivity imaging as a pre-characterization tool for tracing the properties of disposed waste and its severity underneath a capped landfill site. The imaging method was used in this study to map the contaminated subsurface soil and groundwater at three municipal solid waste disposal sites, namely Marina, Mahauta and Rariya. A total of twenty-two 2-D resistivity lines were surveyed. The surveys were conducted using an ABEM SAS1000 resistivity meter and a LUND Automatic imaging system, and the measured resistivity profiles were interpreted using a 2-D resistivity inversion program (RES2DINV). Generally, the results of the measured resistivity values obtained from the three sites define the contaminated leachate plumes as electrically conductive anomalies of relatively low resistivity values less than 10 ohm-m.

Keywords

2-D resistivityimagingcontaminated soilleachate plumesMarinaMahauta and Rariya.

References

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Assessment of Solid Waste on Groundwater Quality Using 2d Electrical Resistivity Tomography (ERT) And Water Sample Analysis in Selected Locations of Aliero, Northwestern Nigeria

Abstract

Keywords

References

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