Water quality indicators as a tool for adoption of progressive objectives in S？o Paulo State

In the 1970s, S？o Paulo State defined qualitative frameworks for its water resources based on main economic activities to be developed on rivers basins. Sometimes objectives are too far from the actual moment, and that temporal dimension horizons can be better defined on participative and technical basis. Actually is being studied a criteria to subsidize delimitation of intermediary objectives that supports the planning process to be continuously developed on a more intensive progressive perspective. Once the planning have being elaborated on a participative foundation among municipalities, State government and society, a criteria approved by the stakeholders can help on reducing the natural conflicts when stablishing planning products. The proposal presented in the actual paper was approved preliminarily and is submitted to further studies actually.