Physico-Chemical Studies on Safilguda Lake, Hyderabad

Physico-chemical studies were made on Safilguda Lake to assess the quality of water. Surface water samples were collected from the lake at monthly intervals from three sampling stations for a period of one year i. e., from May 2017 to April 2018 and analyzed for various physico-chemical parameters. pH, dissolved oxygen, chemical oxygen demand, alkalinity, chlorides, calcium, magnesium, total dissolved solids, organic matter, total hardness, nitrites, phosphates and sulphates were tested by using standard methods. The results showed higher concentrations of all the parameters and lower concentration of dissolved oxygen at all the stations in the lake compared to BIS limits. This is due to the direct release of untreated sewage, garbage and immersion of idols from the nearby colonies indicating the eutrophic condition and poor water quality of the lake and making the water unsuitable for drinking, domestic and recreational purposes.