• Madeira River Basin
  • Uruguay River Basin
  • Amazon River Basin
  • Paraguay River Basin (Pantanal)
  • Doce River Basin
  • Caí River Basin
  • Muriaé River Basin
  • Acre River Basin
  • Parnaíba River Basin
  • Branco River Basin
  • Taquari River Basin
  • Xingu River Basin
  • Mundaú River Basin
  • Velhas River Basin
  • Itapecuru River Basin
  • Pomba River Basin
  • São Francisco River Basin