Assessment of groundwater quality and hydrogeochemistry of Manimuktha River basin, Tamil Nadu, India |
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| Authors: | S Krishna Kumar V Rammohan J Dajkumar Sahayam M Jeevanandam |
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| Institution: | 1. Centre for GeoTechnology, Manonmaniam Sundaranar University, Tirunelveli, 627 012, India
2. Department of Geology, School of Earth and Atmospheric Sciences, University of Madras, Guindy Campus, Chennai, 600 025, India
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| Abstract: | Groundwater quality assessment study was carried out around Manimuktha river basin, Tamil Nadu, India. Twenty six bore well samples were analyzed for geochemical variations and quality of groundwater. Four major hydrochemical facies (Ca–HCO3, Na–Cl, Mixed CaNaHCO3, and mixed CaMgCl) were identified using a Piper trilinear diagram. Comparison of geochemical results with World Health Organization, United States Environmental Protection Agency, and Indian Standard Institution drinking water standards shows that all groundwater samples except few are suitable for drinking and irrigation purposes. The major groundwater pollutions are nitrate and phosphate ions due to sewage effluents and fertilizer applications. The study reveals that the groundwater quality changed due to anthropogenic and natural influence such as agricultural, natural weathering process. |
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