Present study is carried out to evaluate and characterize groundwater quality using Geographical Information System (GIS) and Multi-Criteria Decision Analysis (MCDA) Techniques. In order to ascertain the groundwater quality a detailed survey was carried-out and a total 88 numbers of groundwater samples were collected from different locations of the Durg district. Various physicochemical parameters of collected groundwater samples were analyzed for the periods of 5-years from 2007 to 2011 during pre-monsoon period. Six criteria viz. pH, calcium (Ca++), magnesium (Mg++), chloride (Cl−), nitrate (NO3–) and fluoride (F−) were used for the determination of groundwater quality index. The analytical hierarchical process (AHP) used to determine the weight of various parameters and their classes for identifying the groundwater quality index. Present study is helpful for long-term planning and management of groundwater resources of the study area.
In the present study area, anthropogenic activities such as overexploitation of groundwater, improper disposal of Municipal Solid Waste (MSW), rapid industrialization, urbanization, and chemical fertilizer use are led to groundwater resource to depletion and quality degradation. Due to the imbalance between demand and availability, management approaches groundwater quality and quantity adversely affected. To assess the effects of LULC change in groundwater quality, Nitrate was considered. Land use Land cover (LULC) map of 1999 and 2016 and groundwater quality data of 1999 and 2016 revealed that groundwater quality is highly affected in the settlement area due to anthropogenic activities. There is no earmarked site in the Raipur city for the dumping of Municipal Solid Waste (MSW). Hence, to minimize the existing groundwater problem, there is a need to adopt proper remedial measures to improve groundwater quality and quantity.
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