STUDIES ON HYDROGEOCHEMISTRY AND EVALUATION OF WATER QUALITY FOR DRINKING AND IRRIGATION OF GROUNDWATER NEAR RIVER CHITTAR BASIN, SOUTHERN TAMILNADU

Abstract

A comprehensive study has been made to understand the hydro geochemical and physicochemical parameters to develop
water quality index in the groundwater samples, which were collected from the bore wells of ten different sites near the
Chittar River during dry and wet season. The index checks the potable ability of the water samples. The index values
reveals that the water samples from sites 4, 8, 9 and 10 were incompatible for consumption. Major ion chemistry of the
ground water samples was interpreted to check the quality of water for meeting the irrigational requirements. The
influence of Electrical conductivity affecting the water quality was also specified. The Lithological characteristics of the
aquifer were examined by the Gibbs diagram. Weathering and dissolution of minerals were also identified by studying
the interrelationship of the ions.