Nonpoint Sources Definition

Sources of water pollution which cause an inflow of pollutants over a large area are known as nonpoint sources. Example: Runoff from agricultural fields. 

Steps Taken to Reduce Water Pollution from Nonpoint Sources

The following steps should be taken to reduce water pollution from non-point sources:

  • Two separate drainages should be built for sewage and rainwater so that both rainwater and sewage do not overflow together.
  • Nitrogen-fixing plants should be planted to reduce the use of chemical fertilizers.
  • Agrochemicals and pesticides should be used judiciously to prevent them from draining into a water body.
  • Efforts should be made to prevent the runoff of manures.
  • Biofertilizers and biopesticides should be used.

Also, Read What is Water Pollution?

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