ABSTRACT
An indicator called "Wastewater Reuse Index" (WRI) can be used to quantify the gap between the supply and demand sides of the market. WRI quantifies the actual reuse as percentage of the total generation of wastewater (urban and rural). Thus, balancing the reclaimed-wastewater market implies maximizing WRI, which can be accomplished through increasing the rates of collection, treatment, and reuse. Most countries of the region have reasonably high rates of wastewater collection, which is driven by urbanization, public health, and environmental incentives (Table 8.1). Thus, the low WRI in these countries is mainly due to the low rates of wastewater treatment and/or reuse.
