Análise dos padrões de lançamento de efluentes em corpos hídricos e de reúso de águas residuárias de diversos estados do Brasil

Abstract

The standard for effluent discharge in water bodies is a tool which, together with the standard of quality of the receiving bodies and the wastewater quality standard for reuse, aims at the preservation and conservation of drinking water sources. Thus, the objective of the present contribution is to analyze the standards for effluent discharge in water bodies and wastewater reuse in several states of Brazil, in order to develop an inventory of the standards, establish restriction levels and compare the state reuse standards with commonly used national and international guidelines and recommendations. The legislations of sixteen Brazilian states and seven quality parameters were analyzed. It is concluded that there is no standardization regarding effluent discharge in water bodies and the absence of a legal regulatory framework at the national level that establishes standards and guidelines for water reuse.