JCE_V2_N2_RP1 Rajat Agarwal Etishree Agarwal Dr. R.D.Garg Prof. P.K.Garg Journal on Civil Engineering 2249 - 0779 2 2 11 16 Groundwater Quality, Spatial Distribution, GIS, Water Quality Index Groundwater quality has a major significance, being the major alternate source of domestic, industrial and drinking water supply and therefore it needs greater attention of all concerned The present study demonstrates the spatial distribution of various chemical parameters, such as pH, F, Cl, iron, nitrate, alkalinity, TDS, total hardness etc. using GIS techniques for Hilauli block of Unnao district, Uttar Pradesh. A Water Quality Index (WQI) was calculated to find the suitability of water for drinking purpose. The overall analysis of the water quality index in the study area revealed that most of the area with > 50 value exhibited poor, very poor and unsuitable water quality. March - May 2012 Copyright © 2012 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=1836