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An appraisal of ground water quality using statistical analysis in Varanasi district, Uttar Pradesh, India

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Author Affiliations

  • 1Geophysics Division, GSI, CR, Nagpur, Maharshtra, India
  • 2Department of Geophysics, BHU, Varanasi, UP, India

Int. Res. J. Environment Sci., Volume 12, Issue (1), Pages 19-23, April,22 (2023)

Abstract

This present study intended to appraise of the Groundwater quality using statistical analysis in Varanasi district, Uttar Pradesh. During the year 2018, sixteen ground water samples were taken at different locations in the study area, as well as ten parameters such as pH, electrical conductivity (EC), total hardness (TH), calcium (CA), magnesium (MG), sodium (NA), potassium (K), bicarbonate, chloride and fluoride. The very strong positive correlation are reflected in between total hardness and magnesium (0.852), electrical conductivity and sodium (0.821), sodium and fluoride (0.892) and bicarbonate and fluoride (0.715) whereas, the strong negative correlation are observed in between pH and calcium (CA) and potassium and fluoride. The rate of groundwater quality index (WQI) is from 14.59 to 413.01. The higher value of WQI is observed at Arla (S3) block due to higher value of pH, electrical conductivity (EC), fluoride, chloride & sodium.

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