Water from Ganga, Yamuna being tested 

#GS3 #Environment 

Has the lockdown had a measurable impact on the water quality of the Ganga and Yamuna, rivers that have a history of battling pollution? 

  • The National Mission for Clean Ganga (NMCG) — the arm of the Water Ministry tasked with directing the ₹20,000 crore clean-up of the Ganga — and the Central Pollution Control Board are expected to find out in 10 days. 
  • Water samples have been collected from Delhi (Yamuna) and all Ganga basin States, and are in the process of being analysed. 

Lockdown impact 

  • Measuring the degree of chemical oxygen demand (COD) and ammonium nitrate would point to whether the lockdown has had an impact. Effluents from industries as well as sewage discharge would impact COD levels. 
  • The stoppage of industrial pollutants has definitely had a positive effect on water quality in the Yamuna. 
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