POINT SOURCE & NON-POINT POINT SOURCE & NON-POINT SOURCE POLLUTIONSOURCE POLLUTION

POINT SOURCE POLLUTION

• Pollution comes from SPECIFIC source; you can point to the source.

• Easier to identify

• Easier to fix

EXAMPLES:Pipes, spills, smokestacks, animal feeding

operations, animal waste treatment lagoons, wastewater treatment plants, landfills.

NON-POINT SOURCE POLLUTION

• Pollution comes from MANY sources or source is unknown.

• Caused by runoff• Difficult to identify • Difficult to fixEXAMPLES:residential runoff with soil from construction sites, de-

icing agents from streets, oil, grease and gasolineparking lots, streets, and roads where stormwater picks

up oils, grease, metals, dirt, salts, and other toxic materials

Point or Non-Point?

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http://www.waterencyclopedia.com/Po-Re/Pollution-Sources-Point-and-Nonpoint.html

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http://homepage.ntlworld.com/ron.strutt/fullpics/muddy_river.jpg

Point or Non-Point?

Point or Non-Point?

Point or Non-Point?

http://www.youngreporters.org/article.php3?id_article=446P

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