Evaluation of Groundwater Contamination at Melaka Catchment in Malaysia
Abstract:The water quality plays a vital role in terms of drinking, agricultural, industrial and environmental aspects. It dominates the process of planning and development of any community. In this study, the groundwater pollution potential to contamination and quality assessment has been carried out using Geographic Information System (GIS), hydrogeology map, borehole data, lithology data, soil classification map, land use and meteorological data. The DRASTIC model is used to evaluate the aquifer vulnerability of Melaka catchment in Peninsular Malaysia. DRASTIC parameters such as depth to groundwater, net recharge, aquifer media, soil media, topography, impact of vadose zone and hydraulic conductivity are rated and weighted due to their relative susceptibility to contamination and also various thematic maps are generated for the respective parameters using ArcGIS software. All the thematic maps are integrated to generate the groundwater vulnerability map and then the area has been classified as low, moderate and high vulnerable zone. The study results show that about one fourth area is low, half of the area is moderate and rest one fourth area is high pollution susceptibility to contamination. Groundwater quality analysis results show overall water quality is suitable for drinking purposes with minor treatment.
Document Type: Research Article
Publication date: 2012-07-01
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