What are the causes of pollution near Yamuna river?
The major causes contributing to the pollution of Yamuna are: untreated sewage, industrial effluents, the dumping of garbage, open sewage drains, lack of sufficient sewage treatment plants, soil erosion, open and dead bodies, immersion of idols, Aesthetic activities and pollution due to in-stream uses of water (CPCB.
How does pollution affect the rivers?
They liberate oxygen into the water, take up mineral nutrients and produce substances which enter and support food chains in the aquatic environment. With a rise in river pollution there is an increase in nutrients. This causes a great increase in the growth of blue-green algae, which are called algal blooms.
How does the Yamuna river affect humans?
The effects of the river’s pollution on human health, though also inadequately studied, include a sharp spike in cases of hepatitis A and typhoid fever, according to recent work in New Delhi. Pollution of the Yamuna could also have public health consequences worldwide.
What is the main cause of pollution of rivers?
Water pollution is caused due to several reasons. Sewage And Waste Water: Sewage, garbage and liquid waste of households, agricultural lands and factories are discharged into lakes and rivers. These wastes contain harmful chemicals and toxins which make the water poisonous for aquatic animals and plants.
What causes pollution in the Yamuna River basin?
The landslide near the Yamuna river basin also causes water pollution. It generally happens during the rainy seasons. When the water level is high, the water takes away all the soils, solid wastes thrown in the bank of the river.
How many people depend on the Yamuna River?
About 60 million people depend on Yamuna waters. The peoples of Delhi and Agra’s are one of the most consumers of the Yamuna River. This river is the source of 70 per cent of Delhi’s water supplies.
What is the biochemical oxygen demand in Yamuna River?
When the people of Delhi and Agra consume this water as drinking purpose, they also consume indefinite amounts of toxic pesticide residues each time. The Biochemical Oxygen Demand (BOD) in jumuna is 28mg/l, whereas the tolerable level is 3 mg/L. It also signifies the water pollution in Yamuna River.
Which is the best way to treat the Yamuna River?
A treatment plant that can treat 30 million liters a day has been installed in Gurgaon which will help reduce the level of pollution from 200 mg a liter to 30 mg a liter, before it enters the Yamuna. A 5.8-km-long sewer line has been laid in the city to collect the polluted water at the treatment plant.