Short Essays On Water Pollution

It is believed that at present, rivers are the most severely afflicted systems (by pollution), followed by estuaries, lakes, and oceans in declining order.Occasionally, certain water bodies become so heavily polluted with oil that they have been seen to literally catch fire.Public health authorities are now becoming greatly concerned about various toxic chemical pollutants found in waters, viz., nitrates, selenium, cadmium, mercury, chlorinated hydrocarbons and biocides.

It is believed that at present, rivers are the most severely afflicted systems (by pollution), followed by estuaries, lakes, and oceans in declining order.Occasionally, certain water bodies become so heavily polluted with oil that they have been seen to literally catch fire.Public health authorities are now becoming greatly concerned about various toxic chemical pollutants found in waters, viz., nitrates, selenium, cadmium, mercury, chlorinated hydrocarbons and biocides.

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Thus, affects a major concern to the marine life environment.Water is regarded as “polluted” when it is changed in its quality or composi­tion, directly or indirectly as a result of mankind’s activities so that it becomes less suitable for drinking, domestic, agricultural, and recreational, fisheries or other purposes for which it would otherwise be quite suitable in its natural (unpolluted) state.If used for drinking, polluted water may transmit various intestinal infections such as typhoid, cholera, dysentery and certain other diseases, e.g., jaundice and viral diseases.During monsoons, thousands of tons of topsoil in India erodes and washes off.The land area prone to flooding has doubled from 200 million hectares to 40 million hectares since 1973.The stress on our water environment as a result of increased industrialization, which aids urbanization, is becoming very high thus reducing the availability of clean water.Polluted water is of great concern to the aquatic organism, plants, humans, and climate and indeed alters the ecosystem.Bengal), the Mini-Mahi (Gujarat) and the Yamuna (U. Waste water, sewage and effluents from industrial plants of all types are being dumped into these waters, gradually converting them into open sewers.Cherrapunji was once covered with lush green dense forests and was the wettest spot on earth; it is now degraded to the state of a barren area.Many of our lakes are becoming increasingly murky, smelly and choked with excessive growths of algae.Most of the rivers have become darkened with sewage, chemicals, oil, industrial effluents and undesirable foreign and extra­neous matter.