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  • Chem Sci Trans., 2012, 1(3),  pp 508-515  

    DOI:10.7598/cst2012.169

    Research Article

    Assessment of Water Quality Values in Porur Lake Chennai, Hussain Sagar Hyderabad and Vihar Lake Mumbai, India

  • SULEKH CHANDRA*, ARENDRA SINGH and PRAVEEN KUMAR TOMAR
  • Department of Chemistry, Zakir Husain College (University of Delhi), J.L.N. Marg, New Delhi-110002, India
  • Abstract

    Lake water is a source of drinking and domestic use water for rural and urban population of India. The main goal of the present study was to assess drinking water quality of various lakes i.e. Porur lake Chennai, Hussain Sager Hydrabad Vihar lake Mumbai in India. For this, lakes water samples were collected from six different sites and composite sample prepared were analyzed for pH, turbidity, electrical conductivity (EC), total dissolved solids (TDS), total alkalinity (TA), total hardness (TH) and calcium hardness(Ca-H), chemical oxygen (COD) demand, biochemical oxygen demand (BOD), dissolved oxygen(D.O.), sulphate (as SO42-),nitrate (as NO3-) and chloride (Cl-) levels .Some heavy metals i.e. Iron, Zinc, Cadmium, Mercury, Nickel and Chromium were also analyzed in these samples. There were variations for EC (141-1041 µS/cm), turbidity (2-9 NTU), TDS (107.1–935.8 mg/L), SO42- (4–8 mg/L), TA (42–410 mg/L), TH (41-280 mg/L), Ca–H (14-10 mg/L), BOD (5-9 mg/L), COD (4–32 mg/L) NO3-(1.1-3.6 mg/L) and Cl- (49-167 mg/L) levels at different sites. Water pollution indicates that these parameters were manifold higher than the prescribed limit by the WHO & BIS standard.

    Keywords

    Lake water, BOD, COD, Water quality, Physicochemical parameters

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