Abstract
The role of groundwater in irrigation and drinking purposes and sustaining growth in economy is well-known. Groundwater is generally less susceptible to contamination and pollution when compared to surface water bodies. This paper is based on extensive investigations on the spatial and seasonal representative measurement of chemical parameters from 80 dug wells of Churu and adjoining Bikaner districts of Rajasthan, India. The region has dearth of water resources — both surface and sub-surface, with the main source of water being the dug wells. The application of hydro-statistical techniques and tools like Pearson’s correlation coefficient, relative activity of sodium ion (SAR), Wilcox diagram, Piper diagram and magnesium hazard indicate that the chemical parameters of the water of the study region is of very poor quality and not suitable for drinking and irrigation purposes. Wilcox diagram shows high sodium content, can destroy the soil structure rendering the soil and water unsuitable.
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