ABSTRACT
This chapter elaborates on the assessment of the intervention strategies proposed to solve the future water deficit in Puerto Ayora. A Multi-Criteria Decision Analysis (MCDA) is tested as a suitable methodology which leads to a set of alternatives that aim to mitigate the future water supply shortage. The chapter discusses the methodology aids to propose solutions for future challenges regarding optimal water balance, overcoming water scarcity caused by high tourism rates, and also to preserve such places for future visitors. The MCDA encompasses an integrated and complete assessment of multiple suggested alternatives, with a set of tools for any decision making process. The problem was defined as the water supply deficit in the town of Puerto Ayora in the year 2045. The chapter analyzes the alternative which will provide an optimal balance between water supply and demand for the future conditions, with lowest impact on the fragile ecosystem, and with the most affordable cost.
