What are the causes of pollution of Yamuna river?
What are the causes of pollution of 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 do sunsets appear in towns with air pollution?
Aerosols are also produced when molecules in the gaseous state enter the atmosphere and react with other chemicals, he adds. Many man-made aerosols are small enough to meet this criterion, so they contribute to the deep crimson sunsets of Los Angeles and other polluted cities across the globe.
What kind of pollution is in the Yamuna river?
The two main sources of pollution in the Yamuna are domestic and industrial. Pollution from domestic sources (i.e., sewage, detergents, oil and grease, etc.) comprises approximately 85% of the river’s total pollution load.
What is white foam in Yamuna river?
According to Sushmita Sengupta, a scientist working with the Water Programme at Centre for Science and Environment, the high level of phosphates in the Yamuna is what causes such foam to build up. Phosphates are an ingredient used in many detergents which are designed to reduce the surface tension of water.
How can we reduce pollution in Yamuna river?
Major interventions include treatment of around 150 MGD polluted water coming from Haryana and Uttar Pradesh using natural wetlands and the aeration method. New Delhi: Chief Minister Arvind Kejriwal on Wednesday said the Delhi Jal Board will reduce the pollution load in the Yamuna by 90 per cent by March 2023.
Which part of Yamuna is most polluted?
The Yamuna is one of the most polluted rivers in the world due to the dumping of industrial wastes and a high-density population. The highest polluted region of the river lies in Delhi between Wazirabad and Okhla which is just 2% of the river length carrying 76% of total pollution weight.
Does pollution cause pretty sunsets?
It is often written that natural and manmade dust and pollution cause colorful sunrises and sunsets. Clean air is, in fact, the main ingredient common to brightly colored sunrises and sunsets. To understand why this is so, one need only recall how typical sky colors are produced.
Why are California sunsets so colorful?
Blue and green light waves are shorter, which means they bounce and scatter more easily. At sunset, those colors get filtered out, leaving longer wavelengths of reds and oranges that can make your heart melt. Sunsets become more vivid because of low humidity and cleaner air, especially after it rains.
Why does Yamuna foam?
These detergents and other organic matter get deposited in the riverbed when the river is flowing at its normal pace but when the water falls from height on reaching a barrage, it causes turbulence and churning resulting in the formation of the froth.
What is foam chemistry?
A foam is a substance made by trapping air or gas bubbles inside a solid or liquid. Typically, the volume of gas is much larger than that of the liquid or solid, with thin films separating gas pockets. Another definition of foam is a bubbly liquid, particularly if the bubbles, or froth, are undesirable.
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. Well, a landslide is not a problem created by humans, but humans can contribute to stopping this.
Which is the best way to clean the Yamuna River?
A 5.8-km-long sewer line has been laid in the city to collect the polluted water at the treatment plant. Started in 2000 and the objective is to clean the pollution in the Yamuna River throughout its course and to create a better ecosystem in New Delhi.
What is the sewage treatment capacity of the Yamuna River?
A study on river pollution to estimate future pollution loads of the river Yamuna from different sources. The total sewage treatment capacity created under YAP I was 750MLD. YAP II was mostly to undertake non-sewerage part of the objectives. The total STP capacity sanctioned under YAP II was 189 MLD.
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.