Studies on the Heavy Metal Content in a Sub-Urban Fresh Water Lake in Warangal District, Telangana, India

- The Heavy metals are most vulnerable environmental pollutants and their toxicity has been increasing significantly in the environment. The present study, evaluates the levels and occurrence of heavy metals like lead (Pb), chromium (Cr), cadmium (Cd), iron (Fe), zinc (Zn), and copper (Cu) in Chinna waddepally lake of Warangal District, Telangana State. The sampling stations were selected on the basis of the entry of pollutants in the lake. The heavy metal content have shown upward trend and followed the sequence: Fe>Cu>Pb >Zn> Cd>Cr. The area under study receives domestic sewage, and some undesirable activities like, washing of cattle, dumping of garbage, washing of clothes, bathing and idol immersion which take place in a large scale during and after several regular festivals.