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Assessment on pollution impact and correlation study of lake water from Thane region of Maharashtra, INDIA

Author Affiliations

  • 1 School of Basic Sciences,Department of Chemistry,Jaipur National University,Jaipur,INDIA
  • 2 Department of Chemistry,Dnyanasadhana College, Mulund (W), Mumbai, INDIA
  • 3 School of Basic Sciences, Department of Chemistry, Jaipur National University, Jaipur, INDIA

Int. Res. J. Environment Sci., Volume 3, Issue (12), Pages 44-51, December,22 (2014)

Abstract

Water is a source of life. But pollution of water is the biggest threat in today’s world. Thane city of Maharashtra state is known for its beautiful lakes. It has many lakes as per the record of Thane Municipal Corporation. As most of these water bodies situated right next to the roads receive heavy flux of agricultural waste, domestic sewage, industrial waste thus deteriorating water quality. The increasing trend in concentration of heavy metals in the environment has created lot of awareness about environmental pollution. These heavy metals have a marked effect on the aquatic flora and fauna which through bio magnification enter the food chain thereby affecting the human being. Hence this study is carried out to assess the quality of water in lake water samples from eight different lakes. Physico- chemical analysis is done over the period of march 2013 to February 2014 to estimate the parameters such as pH , conductivity, alkalinity, salinity, hardness, chemical Oxygen Demand(COD), Dissolved Oxygen (DO), Biological Oxygen Demand, Total Dissolved Solid and heavy metal content like Cu,Hg,As and Fe . The study shows high level of BOD ranging from 15mg/l ( minimum) to 67mg/l (maximum). Very low level of dissolved oxygen in water indicates pollution. As the quality of water greatly affect the all forms of life , this attempt has made to asses and monitore the quality by studing physico-chemical properties of water.

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