U.S. River Basins

Contiguous U.S. Major River Basins as designated by the U.S. Water Resources Council

U.S. River Basins
  1. Pacific Northwest Basin
  2. California River Basin
  3. Great Basin
  4. Lower Colorado River Basin
  5. Upper Colorado River Basin
  6. Rio Grande River Basin
  1. Texas Gulf Coast Basin
  2. Arkansas-White-Red Basin
  3. Lower Mississippi River Basin
  4. Missouri River Basin
  5. Souris-Red-Rainy Basin
  6. Upper Mississippi River Basin
  1. Great Lakes Basin
  2. Tennessee River Basin
  3. Ohio River Basin
  4. South Atlantic-Gulf Basin
  5. Mid-Atlantic Basin
  6. New England Basin