DP - 2007年12月25日，TA - 当前世界环境PG - 141-144 VI - 4 IP - 6 4099 - www.a-i-l-s-a.com/article/62/ 4100 - www.cwwejournal.org/article/62/ ab - 自离子concentration in the lake influence the lake’s ability to assimilate pollutants and maintain nutrients in water, a detailed study on water quality was undertaken to get an insight on the natural and anthropogenic processes operating in Hussain Sagar Lake during idol immersion in September- 2007. The water samples were collected before and after the immersion of idols and were analyzed for various parameters. The analysis results indicate that water quality of lake- decline after the idol immersion along with other anthropogenic activities. For conservation of this lake, suitable methods are suggested like immersion of idols in artificial ponds and two-size idol system should be practice to retain the glory and pristine beauty of this lake.