Nonpoint source (NPS) pollution
means pollution being caused not from an exact source but like agriculture
runoff which pollutes the rivers and other water bodies by getting mixed into
them from thousands of acres of agriculture land. Similarly emissions from jet
engines are also nonpoint source pollution. It may pertains to air, water and
land pollutions because wherever there is no any exact point of emissions or
effluent or waste it is called nonpoint source pollution.
Pollution from a source
Pollution being created from a source is not only easy to identify but its source can be regulated through green laws to check the emissions and effluent from it so that they may be contained to allowable limit. Like emissions from the chimney of the factory may be monitored and if these are emitted more than prescribed limits they can be regulated through environmental regulations and owner of such factory may be prosecuted to court.Nonpoint source pollution
However, nonpoint source pollution can not be regulated because there is no specific point where from it is coming and that is why legal action can be initiated against the source which is spread to a broad area even of whole world if it an issue of climate change. Therefore, to control the NPS the role of communities and nations is of utmost importance as they can make the difference in this regard and feel their responsibility to stave off all such activities which may give rise to nonpoint source pollution.
Also read my article what is pollution control
Rain water
Rain water while flowing to downstream sheds the entire solid, industrial waste and effluent along its way and falls into a river or other water body and contaminate its water. It is a typical example of nonpoint source pollution as there is no exact cause of this pollution because we can not control raining. In this regard the only precautionary measure could be adopted is that there should be proper management system of solid waste, civic wastewater, industrial waste and effluent so that if rain falls its water sheds minimum of such wastes and effluent into the water bodies. However, rain falls everywhere and indiscriminately therefore the places where such effluent and wastes are disposed off may also receive heavy rainfall and theses stuffs may also flow with rain water to places where they should not move to.
You may also read the article environmental pollution
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