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Half of US Rivers In ‘Poor Condition For Aquatic Life,’ Mainly On East Coast, EPA Survey Shows

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Contaminants in New York's Hudson River contaminants are very dangerous to the surrounding areas because the Hudson River is a very important source of drinking water for much if not all of the people in New York State. (Photo/via Wikimedia Commons)
Contaminants in New York’s Hudson River contaminants are very dangerous to the surrounding areas because the Hudson River is a very important source of drinking water for much if not all of the people in New York State. (Photo/via Wikimedia Commons)

More than half of America’s rivers and streams contain water that is in “poor condition for aquatic life,” with increasing pollution and erosion endangering several species, according to a survey.

The Environmental Protection Agency assessed data from 2,000 rivers and streams in 2008-2009, the most recent figures available that showed 55 percent of waterways to be in poor biological health, unable to support healthy populations of aquatic insects and other creatures.

Twenty-three percent were in “fair shape,” and 21 percent in good biological health, the Associated Press added, citing the report.

Reuters quoted Nancy Stone, acting administrator of the EPA’s Office of Water, as saying:

“This new science shows that America’s streams and rivers are under significant pressure.”

 

Rivers in the country’s east were in the worst condition: More than 70 percent of streams and rivers from the Texas coast to the New Jersey coast were in poor shape.

The healthiest streams and rivers were in Western mountain areas, where only 26 percent were classified as in poor condition.

According to Reuters, the report blamed high levels of phosphorus and nitrogen, mainly due to runoff from urban areas.

Such “nutrient pollution” increases algae levels and decreases oxygen required by fish and other aquatic life.

Other water bodies showed increases in bacteria and mercury, which are a health risk.

This article originally was published in Global Post.


Comments
27 3 月, 2013
Freya Petersen

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