Water Pollution Essay In Bengali

The effect of water pollution varies from place to place upon the type and amount of water contamination.The degradation of drinking water needs an urgent basis prevention method which is possible by the proper understanding and support from the end of each and every person living on the earth.

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Water pollution refers to the mixing of contaminants or pollutants in to the water bodies (sea, lakes, rivers, oceans, groundwater, etc) through direct or indirect discharges causes environmental degradation and affects whole biosphere (human beings, animals, plants and organisms living in water).

Water pollution is the main issue affecting human lives in many ways.

Water pollution is the contamination of drinking water by the poisonous pollutants generated by the human activities.

The whole water is getting polluted through many sources such as urban runoff, agricultural, industrial, sedimentary, leeching from landfills, animal wastes, and other human activities.

Water pollution is caused by two means, one is natural water pollution (due to the leaching of rocks, decay of organic matters, decay of dead matters, silting, soil erosion, etc) and another one is man-made water pollution (due to the deforestation, set up of industries near large water bodies, high level emission of industrial wastes, domestic sewage, synthetic chemicals, radio-active wastes, fertilizers, insecticides, pesticides etc).

Fresh water is the most important source of life on the earth.

Dissolved oxygen is the oxygen present in water required by the aquatic system to continue the lives of plants and animals.

However biochemical oxygen is the demanded oxygen by the aerobic micro-organisms to oxidize organic matters of wastes.

Such harmful chemicals also disturb the lives of animals and plants greatly.

When plants absorb dirty water through their roots, they stop growing and die.