Water is indispensable to life on earth. It is a precious gift of nature which is essential for the survival of plants, animals and human beings. Present investigations were carried out on the limnological aspects of Gangapur tank in district Rewa. Many of the parameters were found below the permissible limits for drinking water as suggested by WHO. A total of 16 parameters were analysed and their seasonal variations in the year 2015 were discussed.