Government Information

Earl Gregg Swem Library

The Quality of our Nation’s Water: Nutrients in the Nation’s Streams and Groundwater, 1992-2004

Categories: Environment,Geology/Mining,Statistics

http://pubs.usgs.gov/circ/1350/pdf/circ1350.pdf

Presents an assessment of the occurrence and distribution of nutrients in the water samples from some 500 streams and over 5,000 wells from 1992 through 2001.  Also includes the relation of nutrient conditions to aquatic life in streams, changes in nutrient conditions from 1988 to 2004, and implications for future changes.  From the United States Geological Survey