This paper deals with the determination of fluoride concentration of ground water samples from Omerga, Lohara, Tuljapur and Osmanabad Tehsils.It was carried out using ion selective electrode and outcomes of the results were discussed in the light of pollution status of the study area. Monthly Changes in concentration of fluoride were analyzed for a periods of one year from June 2010 to May 2011. All Parameters were within the permissible limits. Data analysis revealed that a considerable variation of the water quality due to the different land use characteristics.