The role of the State in the market economy is discussed. The concept of the quality of Iife is introduced as defined by the pattem of consumption, socio-cuItural condition and environmental quality. The subject of cost intemalization and the effect of diseconomies caused by water pollution and environmental degradation is analyz.ed. A structure of managing agencies in which the civil society will participate is proposed.

Papel do Estado na economia de mercado. Conceito de qualidade de vida. A questão de internalização de custos e o efeito das deseconomias provocadas pela poluição hídrica e degradação ambiental. Estrutura de órgão gestor com participação da sociedade civil.