Vanjarwadi Dam is constructed in 1965 for irrigation purpose. It is located near Beed on Beed- Ahmadnagar highway about 11 km away from Beed district. Now a days this dam is also used for fish cultural activities. The hydrobiological data on this dam is meager hence the study was carried for the period of one year from June,2015-May,2016. The study shows that all parameters investigated are within the standard limits presented by Bureau of Indian Standards (BIS).