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Short Paragraph on Water Pollution

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Introduction

Water Pollution is the contamination of water bodies. It occurs as a result of introduction of pollutants in water. Water is life. Still, we contribute in polluting the water bodies in several ways.

Water Pollution is mainly caused as a result of improper discharge of household and industrial chemicals wastes into the water bodies.

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These dangerous chemicals (in the form of solid, liquid or gases) mixes with water and make it unsafe for living bodies. Water pollutants cause harm to human-beings, animals, trees and other constituents of environment.

The sources, effects, and control measures of Water Pollution are discussed below.

Sources

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The Sources of water pollution are:

  • Industry: Effluents from the factories.
  • Sewage: From human excreta to liquids of house hold works, drain water containing feces, urine and other pollutants.
  • Physical Pollution: heat and ionic radiation.
  • Different household activities.
  • Agriculture: Different chemical fertilizers, fungicides, pesticides used in agricultural field are washed out rain water and pollute by the different water bodies.
  • Minerals: Minerals above a certain level in the soil or present in the rocks, mix with water and results in pollution.

Effect of water pollution on human health

  • Presence of toxic metals in water may cause skin disease, dysentery, amoebiasis, anorexia, etc.
  • Radioactive substances present in water may lead to radioactive pollution causing cancer.
  • In polluted water the different water borne virus, bacteria, and protozoa are present. They cause small diseases likely pox, chicken pox, dysentery, amoebiasis, tuberculosis etc.

Control of water pollution

  • The toxic industrial and agricultural runoff should be properly treated before mixing with water sources.
  • Drinking water should be properly treated to make it free from any germs.
  • The sewage system should be much more scientific.
  • The waste water should be purified before it goes to the river.
  • The toxic chemicals from industries should be properly treated prior to discharge into the environment.
  • Cultivation of Salvinia and Azolla in the pond or lake can fix toxic metal and hence metal pollution can be reduced.
  • The domestic or household effluents should be discharged properly.
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