The Diagnosis of the Ribeirão Quilombo Sub-basin, including information on the macrodrainage situation, forest recovery and quality of environmental sanitation in the region (three important aspects of the Sub-basin's recovery), indicating the actions to be taken carried out by each of the municipalities involved in the Ribeirão revitalization project. Based on the characterization of the scenarios of existing low water availability, in addition to the increasing difficulty of obtaining new sources to supply the growing demand, studies were carried out to obtain a diagnosis of the current situation of the demands and recovery actions of the Ribeirão Quilombo Sub-basin, for the definition of future alternatives that enable the expansion of the water capacity of the water producing systems, enabling the recovery of the quantity and quality of water of the creek in the six municipalities involved.
In order to obtain the Quilombo Ribeirão Basin Diagnosis, it was necessary to survey several environmental studies in the region, in order to filter the most relevant ones from the point of view for the revitalization of a river. Was selected data regarding the macrodrainage situation, forest recovery and quality of environmental sanitation in the region. Identifying what each action would be necessary for each municipality of the basin.
With the conclusion and consolidation of the Ribeirão Quilombo Basin Diagnosis, it was possible to identify, quantify and present to the members of the Group and the Municipalities involved what the demands to be reached within the scope of the revitalization of the Ribeirão Quilombo.
Within the theme of macrodrainage it was possible to verify the recommended reservoirs for flood control in the Ribeirão Quilombo basin that had not yet been executed. As if they presented problems related to the use and occupation of the land and the estimated cost for the execution of the works.
Regarding the theme of forest recovery, the diagnosis made pointed to the need to plant up to 584,763 native tree seedlings in the region; as well as the cost and indication of the quota part of each municipality.
Regarding the actions of quality of the environmental sanitation of the Basin, the elaborated diagnosis pointed the most critical municipalities by the generated sewage treatment index, allowing to identify the points that most demanded investments for improvement.