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Definition of Nonpoint source pollution

Nonpoint source pollution Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
pollution that cannot be traced to a single point (Example: outlet or pipe) because it comes from many individual places or a widespread area (typically urban, rural, and agricultural runoff).
Nonpoint source pollution Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Non-point source (NPS) pollution refers to both water and air pollution from diffuse sources. Non-point source water pollution affects a water body from sources such as polluted runoff from agricultural areas draining into a river, or wind-borne debris blowing out to sea. Non-point source air pollution affects air quality from sources such as smokestacks or car tailpipes. Although these pollutants have originated from a point source, the long-range transport ability and multiple sources of the pollutant make it a non-point source of pollution. Non-point source pollution can be contrasted with point source pollution, where discharges occur to a body of water or into the atmosphere at a single location.

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