IJEP 42(10): 1254-1262 : Vol. 42 Issue. 10 (October 2022)
1. J.N.V. University, M.B.M. Engineering College, Department of Civil Engineering, Jodhpur- 342 001, Rajasthan, India
2. Malaviya National Institute of Technology Jaipur, Department of Civil Engineering, Jaipur- 302 017, Rajasthan, India
Abstract
The present study aims to assess groundwater quality in Jodhpur city by using geospatial and statistical analysis methods. Groundwater samples in the study area were collected and various groundwater quality parameters were determined. The geospatial analyst tool of ArcGIS software was employed to prepare the spatial distribution pattern of the groundwater quality parameters. The spatial distribution maps revealed that the groundwater in the area has fluoride and nitrate concentration lying beyond the permissible limits. Mostly the southeast part of the city has deteriorated groundwater quality. A weighted average statistic, WQI was estimated which considers the combined effect of the water quality parameters. The exercise yielded useful results. The results showed that 33% of the groundwater samples had good water quality and nearly 28% of the groundwater samples had very low groundwater quality which was unsuitable for drinking. WQI distribution map also revealed that the southeast part of the city has deteriorated groundwater quality. The deteriorated groundwater quality in this area could be attributed to the leaching of contaminants into the aquifer because of the improper disposal of industrial effluents.
Keywords
Groundwater, Water quality parameters, Water quality index, GIS
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