USGS NAWQA NUTRIENTS NATIONAL SYNTHESIS

USGS

National Water-Quality Assessment (NAWQA) Program
Nutrients in rivers, streams, and aquifers in the United States

Nutrients National Synthesis Project
Overview || Study Team || More Information

Features

Nutrients in ground waters of the conterminous United States, 1992-1995
Understanding nutrients in surface water using the national SPARROW model
Estimation of nitrate contamination of an agro-ecosystem outwash aquifer using a nitrogen mass-balance budget - 1999
Review of phosphorus control measures in the United States and their effects on water quality - 1999

National Data Sets

Summary of nutrient concentrations for streams and ground water - July 2000 (Used by Heinz Center)
Nutrient concentrations and yields in undeveloped stream basins - 2000
Surface water (rivers and streams) - 1999
Ground water (aquifers) - 1999
Retrospective database for nutrients in ground water and surface water - 1996
Other data (Ancillary, GIS)

Publications

Nutrient Related Links

|National Synthesis|

U.S. Department of the Interior, U.S. Geological Survey
Maintainer: kjhitt@usgs.gov
Last update: 13:05:18 Tue 04 Mar 2003
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URL: http://water.usgs.gov/nawqa/nutrients/