Tannery waste disposal problem leads to environmental disharmony, which makes it one of the major industrial pollution facing the country. The tannery industries, release a lot of wastes in the form of liquid (effluent) and solid (sludge). Biological sludge is one of the wastes, which has been utilized for recycling in this research work.

The present study was designed to assess the nature and present status of the two permanent Ranipettai reservoirs viz., Clive Bazaar and Talankur Lakes aeas, Arcot, Vellore with special reference to zooplankton biodiversity.

Disposal of untreated wastes into land and water bodies from tanneries results in air and water pollution as well as emission