Question

the largest river in India the Ganga faces several problems of water pollution human and industrial wastes are the mojor source of pollution​

Answer 1

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Answer 2

Answer:

Causes

The main cause of water pollution in the Ganga river are the increase in the population density, various human activities such as bathing, washing clothes, the bathing of animals, and dumping of various harmful industrial waste into the rivers.

Human waste

The river flows through 100 cities with populations over 100,000; 97 cities with population between 50,000 to 100,000, and about 48 towns. A large proportion of the sewage water with higher organic load in the Ganga is from this population through domestic water usage.

Industrial waste

Because of the establishment of a large number of industrial cities on the bank of the Ganga like Kanpur, Prayagraj, Varanasi and Patna, countless tanneries, chemical plants, textile mills, distilleries, slaughterhouses, and hospitals prosper and grow along this and contribute to the pollution of the Ganges by dumping untreated waste into it. One coal-based power plant on the banks of the Pandu River, a Ganga tributary near the city of Kanpur, burns 600,000 tons of coal each year and produces 210,000 tons of fly ash which is dumped into ponds from which a slurry is filtered, mixed with domestic wastewater, and then released into the Pandu River. Fly ash contains toxic heavy metals such as lead and copper. The amount of parts per million of copper released in the Pandu before it even reaches the Ganga is a thousand times higher than in uncontaminated water Industrial effluents are about 12% of the total volume of effluent reaching the Ganga. Although a relatively low proportion, they are a cause for major concern because they are often toxic and non-biodegradable.

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