Gadwal watershed is the part of Krishna River basin and situated in the eastern part of the Jogulamba Gadwal district, Telangana, Southern India and falls in the Survey of India Toposheet No.s E43X15, E43X16, E44S4 and D44A1 with geographical area of 644 sq.km Due to rapid increase in population, industrialization and agriculture use resulted in depletion of groundwater resources and also the quality. To understand the groundwater quality scenario in the study area, 36 groundwater samples were collected from dug wells and bore wells during the Pre-monsoon (May) – 2022 and Post monsoon (November) – 2022 and 14 chemical parameters were analyzed. GIS software is used for preparation special distribution of chemical parameters. Key words : Gadwal Watershed; Quality; Nitrate; Fluoride; GIS analysis.