DRAINAGE OF INDIA
THE GANGA GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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West Bengal
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Kanpur
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Patna
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Prayagraj
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Detailed explanation-1: -Of 1, 311 mld of waste water, 47 per cent is generated by Kolkata alone.
Detailed explanation-2: -Not just Ganga-Hooghly but Mahananda, Kaljani and Karola in North Bengal, Kasai river at Medinipore and Rupnarayan, Barakar, Kansi, Silabati, Churni, Jalangi, Mathabhanga and Dwarka in Central Bengal have shown higher coliform bacteria levels, which is the sign of extremely high pollution.
Detailed explanation-3: -Both these tributaries contribute pollution in river Ganga in the vicinity of Kannauj. The tannery cluster in Kanpur also discharges substantial amount of industrial effluent in the river.
Detailed explanation-4: -As per government statistics, 62.5% of wastewater in urban India remained untreated or partially treated.
Detailed explanation-5: -The report by the CPCB also highlighted that Maharashtra generated the highest quantity of sewage across the states (9, 107 MLD) followed by Uttar Pradesh (8, 263 MLD).