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National Water-Quality Assessment (NAWQA) Project

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Effects of Urbanization on Stream Ecosystems

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Where we studied

Studies are conducted on a rotational sampling schedule through 2012, including in Birmingham, Alabama; Boston, Massachusetts; and Salt Lake City, Utah in 2000; Raleigh, North Carolina; Atlanta, Georgia; and Denver, Colorado in 2003; Dallas-Fort Worth, Texas; Milwaukee-Green Bay, Wisconsin; and Portland, Oregon in 2004; and Seattle, Washington in 2007.

NAWQA Urbanization Study Areas
Atlanta | Birmingham | Boston | Dallas-Fort Worth
Denver | Milwaukee-Green Bay | Portland | Raleigh
Salt Lake City | Seattle
NAWQA Urbanization Study Areas

Individual study areas:

East Coast:

Great Lakes Region:

South Central:

Mountain West:

West Coast:

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