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Water Quality in Half of U.S. Rivers Is ‘Poor,’ EPA Says

The water quality in most U.S. rivers and streams required to support aquatic life is “poor,” with species endangered by increasing pollution and erosion, according to an Environmental Protection Agency survey.

Data from 2,000 rivers and streams in 2008-2009, the most recent figures available, showed 55 percent of waterways to be in “poor condition for aquatic life” with a dearth of vegetation worsening erosion, according to the EPA statement.