Sukhana dam is constructed on Sukhana river in Aurangabad district of Maharashtra State. On the banks of the dam, the water is shallow having good number of plants and aquatic animals. During winter, migratory birds are observed in this area. The algae and other aquatic plants might be serving as food for these birds and the aquatic animals. Therefore, the study of algae of this water body was undertaken during the years2015-2017. Several species of algae belonging to Chlorophyceae, Bacillariophyceae, Cyanophyceae and Euglenophyceae were observed. Among Chlorophyceae, species of Cosmarium were observed at the different locations of the water body. In this paper, 26 species of Cosmarium observed are described.