Status of Trace & Toxic Metals in Indian Rivers 2019 Report

  • In a nationwide survey of river water quality by the Central Water Commission (CWC), two-thirds of the samples from water quality stations across India's major rivers showed one or more heavy metal contaminants, at levels that exceed the safe limits set by the Bureau of Indian Standards.
  • The study spanned 67 rivers in 20 river basins.
  • As per the survey's findings detailed in CWC's Status of Trace & Toxic Metals in Indian Rivers 2019 report, Iron emerged as the most common contaminant.
  • Lead, cadmium, nickel, chromium and copper contamination were more common in non-monsoon periods while iron, lead, chromium and copper exceeded ‘tolerancelimits’ ....
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Ecology & Environment