Answer: The graphic is an illustration that evaluates the quantity of water recycled by the reclamation plant.
Step-by-step explanation:
The graphic is meant to explain to the people of Fairfax just how the city plans to go about increasing the water supply.
It shows how the reclamation plant will collect water from runoff from homes and businesses through the various channels shown in the graphic in a view to increase the water supply of the city thereby evaluating the amount of water that the reclamation plant will recycle.