National Water-Quality Assessment Program

Nonpoint and Point Sources of Nitrogen In Major Watersheds of the United States

Figure 6.--Annual amounts of nitrogen transported in streams and stream discharges in selected National Water-Quality Assessment Program watersheds.

(The key to the watersheds is below the map.)

Key to selected NAWQA watersheds

Number  River Name                 State(s)

  1     Palouse River              Washington
  2     Platte River               Nebraska
  3     Red River of the North     Minnesota, North Dakota
  4     White River                Indiana
  5     Susquehanna River          Pennsylvania
  6     Connecticut River          Connecticut
  7     Willamette River           Oregon
  8     Potomac River              Washington, D.C.
  9     Snake River                Idaho
 10     Tar River                  North Carolina
 11     San Joaquin River          California
 12     Altamaha River             Georgia
 13     Apalachicola River         Florida
 14     South Platte River         Colorado
 15     Trinity River              Texas
 16     White River                Arkansas

U.S. Department of the Interior, U.S. Geological Survey Maintainer: Kerie Hitt (kjhitt@usgs.gov) Last update: 17:47:39 Mon 09 Jul 2001 Privacy Statement || Disclaimer || Accessibility URL: http://water.usgs.gov/nawqa/wri94-4001/fig6.html