Resolution Conama No. 357 providing the classification of water bodies and the related environmental guidelines.
This Resolution, composed of 50 Articles, provides the classification of water bodies and the related environmental guidelines. Moreover, it defines the main conditions for effluent release. The resolution is structured in the following Chapters: (I) Definitions; (II) Water Bodies Classification (divided in three sections – freshwater, salted water, swamp water); (III) quality requirements and conditions for water bodies according to their classification; (IV) Effluent standards and conditions; (V) Environmental guidelines; (VI) Final and transitory provisions.