Spatial analysis of groundwater quality in  Varahanadi Watershed, Tamil Nadu, using  GIS techniques.

Ramamoorthy.P; Rammohan.V; Subramani.T

Volume : III, Issue : III, March - 2014

Spatial analysis of groundwater quality in Varahanadi Watershed, Tamil Nadu, using GIS techniques.

Ramamoorthy. P, Rammohan. V, Subramani. T

Abstract :

The present study involves the groundwater quality analysis of Varahanadi watershed to assess their suitability for domestic, drinking and irrigation purposes. Fifty nine ground water samples were collected during pre–monsoon and post–monsoon seasons and analyzed for various water quality parameters. Groundwater samples were collected from both bore well and open well to monitor the hydrochemistry of various ions. The quality of ground water in the study area is almost fresh water, hard to very hard category and slightly acidic to slightly alkaline nature. It was observed that the bed rock of the study area has influenced the groundwater quality resulting in higher concentrations of Ca2+, Mg2+, Na+, SO42–, Cl–, HCO3– and NO3– in the study area.