PERFORMANCE EVALUATION OF CANDIDATES FOR HUMAN SUPPLYING WATER USE GRANT: THE CASE OF THE BAY BASIN CUBATÃO DO SUL RIVER

For the establishment of the water right of use concession’s process, it makes necessary to define criteria and to establish a mechanism or to adopt a tool that in such a way allows the agility of the process as also its transparency, avoiding conflicts between the distinct users. The Watershed’s Committees have the responsibility to define politics to the water resources management in the scope of the basin, consisting, therefore a legal site to discuss the water grant problematic, that, for its complexity, does not possess local studies that incorporates the values and aspects of each region. This article presents an evaluation multicriteria model to evaluate potential candidates to the water grant of the river Cubatão do Sul for human supplying. It presents the evaluation of two potential alternatives, the “status quo” and “with improvements in some considered aspects essential”. The global model demonstrated that the performance of the "status quo" is below of the decision maker expectations. Its performance was bellow of the competitive level in several evaluation criteria. Key-words: Decision aiding, water resources management, water grant