KOLKATA: The contamination degree of Adi Ganga’s water will be 20 times greater than this of Santragachhi Jheel, evaluations conducted by the West Bengal Pollution Control Board (WBPCB) have shown.
From dumping of untreated sewage and other pollutants to absence of dredging and congestion from the water stream brought on by fluctuations in the hydrodynamics because of Metro columns and structure work of many bridges around it, the foul rancid water isn’t just which makes it impossible to preserve any aquatic life, but it’s likewise becoming toxic to the health of individuals living over it.
Along the whole stretch, WBPCB evaluations couldn’t follow any dissolved oxygen, and it can be an absolute requirement for success of aquatic lifestyle.
For propagation of aquatic life, at the least 4mg/l of dissolved oxygen is necessary.
Biological oxygen demand (that ought to be over 3mg/l) was nearly eight times of their water quality standards for bathing.
The canal doesn’t qualify for propagation of wildlife and fisheries which needs dissolved oxygen over 4mg/l.
Even the coliform bacteria count of over 300000 a 100 ml contrary to the standard value of 500 at exactly the identical scale for bathing.
The river is at the status of septic tank also instantly takes stoppage of inflow of one further fall of municipal waste water,” stated Subhas Dutta, who’s an amicus curiae of Adi Ganga instance in NGT.