The stakeholders include:
People/Organization operating the wastewater treatment plants (WWTP)
People/Organization operating the reclamation facility
People/Organization in charge of transport
People/Organization in charge of storage
People/Organization from the irrigated fields (farmers, growers)
People/Organization considered relevant authorities (such as: water authorities, public health authorities, environmental authorities)
People/Organization considered relevant bodies (such as: associations of farmers and consortia of irrigators)
If there are several actors involved in a particular role (such as the WWTP operator), you should specify in which part of the treatment each actor is involved.
It might be helpful to add the actors (by a comment box) of each section of the water reuse system in the diagram that describes the system (Step 1).