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Heavy metal contamination in Indian Rivers
December 16 , 2019
1676 days
1007
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- The Central Water Commission (CWC) collected a total of 442 surface water samples, of which 287 were polluted by heavy metals.
- The most common heavy metal found was iron, and above safe limits in 156 samples.
- Lead, nickel, chromium, cadmium and copper were the other metals.
- Arsenic and zinc are the two toxic metals whose concentration is always found within the limits.
- The main sources of heavy metal pollution are mining, milling, plating that discharge a variety of toxic metals into the environment.
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