Shroff, P.T.vashi, R.2020-10-222020-10-222015-05-01Articale in Journal of fundamental and Applied Sciences Vol. 07, N. 021112-9867http://dspace.univ-eloued.dz/handle/123456789/7247Articale in Journal of fundamental and Applied Sciences Vol. 07, N. 02Groundwater is an important precious natural resource. For optimum utilization of water resources, it is necessary to know both the quality as well as quantity of water. The present investigation is focused on seasonal variation in groundwater quality of Valsad district of south Gujarat (India). Groundwater samples from fifteen sampling stations were collected for two year i.e. from Aug 2007 to July 2009 and analyzed for pH, Colour, Total Hardness (TH), Calcium (Ca), Magnesium (Mg), Total Alkalinity (TA), Chloride and Sodium. Marginally higher level was observed in almost all parameters in summer season. No significant change observed in pH, Colour and Calcium.enGround Water, Seasonal Variations, Valsad District, Gujarat.Article