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National Water Agency - ANA


Studies of Natural Vulnerability to Contamination and Protection Strategies in the Outcrop Areas of the Guarani - SAG Water System, with a view to the development of shared mechanisms of groundwater management. The SAG has an extension of 1,087,879.15 km², of which 87,401 km² are found in Brazil. The objective of the studies, contracted by the National Water Agency - ANA, was to execute a regional assessment of the natural vulnerability of the SAG to the contamination, as well as to define the danger of contamination, establishing a technical basis for the planning of the actions and protection measures and control of groundwater, constituting a reference to support the decision for the management boards.

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