Water is one of the vital needs of all living beings. Humans need water in many daily activities like drinking, washing, bathing, cooking etc. If the quality of water is not good then it becomes unfit for drinking and other activities. Present work is analysis of ground water pollution in hadapsar region. This area has got many open wells which are connected by ground water table of surrounding area. As the water is used for drinking and irrigation purposes, it becomes essential to find the suitability of these open wells for drinking and irrigation purpose. In current work Open wells from study area were Selected and tested for various parameters. The hydro chemical analysis has been done by using piper diagram for both the seasons, i.e. pre and post monsoon. The groundwater quality is tested based on Sodium percent, Sodium Absorption Ratio and Residual Sodium Carbonate & suitability of water for irrigation purpose is examined. Thus from the overall analysis some suggestions & remedial measures are provided in the paper for the same.