 Potassium and ammonia were within prescribed safe limits of acceptance for use of stored water for drinking, industrial use and for fish propagation.However, since its creation in 1980, it is now recorded that substantial quantity of the untreated sewage is discharged into the streams which flow into the Ujjani Reservoir, particularly in the river stretch close to the Pune city.The reservoir created by the Ujjani dam is also one of the largest backwaters in India, Since its creation in 1980, the reservoir backwaters attract, every year, a large number of migratory birds (from North India and other countries); about 100–150 species of flamingos and cormorants are reported.