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DAILY NEWS ANALYSIS

  • 02 April, 2021

  • 3 Min Read

Comprehensive Environmental Pollution Index

Comprehensive Environmental Pollution Index

Comprehensive Environmental Pollution Index (CEPI) is a rational number to characterise the quality of the environment at a given location following the algorithm of source, pathway and receptor. An increase in CEPI score denotes adverse effects on the receiving environment.

  • A Delhi-based think-tank Centre for Science and Environment (CSE) did an assessment of Tamil Nadu’s CEPI scores.
  • Groundwater is becoming more polluted in Tamil Nadu’s industrial areas and Vellore is the state’s most polluted district in terms of river pollution.
  • According to the CEPI water score 2018, five industrial clusters in Tamil Nadu were found to have a water score of more than 50. Of these,
    1. Vellore-North Arcot, Manali and Tiruppur were ‘critically polluted areas’ - CEPI individual score of 60 and above.
    2. Cuddalore and Coimbatore were ‘severely polluted areas’ - CEPI individual score between 50 and 60.
  • Most serious pollution threat to groundwater was from calcium, chloride and iron that are associated with sewage and pollution from tanneries.

Source: PIB


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