Point-Source and Nonpoint-Source Pollution

Point-Source and Nonpoint-Source Pollution

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The United States Environmental Protection Agency establishes two broad classes of pollution for regulatory purposes: point-source and nonpoint-source pollution. As the name elucidates, point-source pollution emanates from one place and thus is easy to identify. On the other hand, nonpoint-source pollution comes from different places at the same time and, therefore, is vastly challenging to identify and mitigate. An example of point-source pollution is power plants and factors. Smokestacks of these places emit carbon monoxide, sulfur dioxide, heavy metal, nitrogen dioxide, and other small particles into the atmosphere. An example of nonpoint-source pollution can be understood by considering a municipality street during heavy rainfall. The rainwater flows over garages, washing over oil