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The increasing number of disaster records triggered by water highlights the necessary integrated management of water resources and disaster risks, in the governance process. Also, the regional territorial level becomes increasingly strategic to deal with the economic and technical-administrative weaknesses of Brazilian municipalities. The research aimed to develop a methodology to analyze the organizational-institutional structuring in order to contribute to the decision-making process in the governance of disaster risk management at the municipal and regional territorial levels. The Organizational-Institutional Structuring Index (IEOI) developed was based on indicators of human, organizational, operational, infrastructure and financial resources. The research had a qualitative-quantitative, explanatory approach, with documentary analysis and application of questionnaires. The case study was the region of the Itajai River watershed, which has three associations of municipalities. We observe a) low IEOI values, b) the correlation of these values ​​with the estimated population by municipality; and c) and the verification of the process of vulnerability to the risks of disasters at BHRI. The applicability of IEOI provides a view of different territorial levels and analyzes that show its contribution to decision making in integrated management processes.

In the last decades, there is an agreement that the human activities degrade the superficial and underground quality water. Brazil has problems with water quality shortage data in some regions. This work analyzes which parameters are monitored of water quality in rivers and wastewater in the Rio Itajai Watershed. These non-systematic monitoring are made by public and private companies and required by distinct regulation and oversight organizations. The bigger part of reports used in this work are from potentially polluting companies. With this information, it was possible to check the more frequently parameters and confront with current legislation. We evaluated 4947 reports of 216 companies, totalizing 250 parameters. From the ten more frequented parameters, seven are physic chemical, with highlights to BDO and pH. More than 50% of organic and biologic parameters that are in the evaluated reports, are not present in the legislation. On the 14 parameters classified as biological, only three are present in the current legislation. Fromthe parameters requested to the environmental organization and are not in the legislation, the most frequently are COD, settleable solids, apparent color, Kjedahl nitrogen, total coliform, and total iron.