Avaliação quali-quantitativa das águas do riacho Reginaldo e seus afluentes

Abstract

The Reginaldo watershed is inserted in the urban area of the city of Maceió (AL), where it suffers environmental quality problems mainly due to lack of infrastructure. This study hás a general aim to assess water quality and quantity monitoring was employed simultaneously in wet and dry seasons. We also colected data on Reginaldo watershed vegetationand analysed rainfall data,estimated flow data and assessed the rainfall-flow-water quality relations. Then, due to the lack of sanitation services throughout the watershed and to the lack of commitment and social responsibilityin its population, Reginaldo drainage network turned into channels for disposal of sewage and garbage. Taht environmental degradation leads to disease proliferation, affecting watersehed’s quality of life.according to the data collected in the dry period, microbiological quality and physico-chemical aspects of the Reginaldo drainage network are problematic.with respect to water quality in the wet season, the two sub-watersheds studied, Gulandim and Sapo, presented quick response to rainfall events, returning to dry season Standards 48 hours after them. It is not observad water autodepuration in Reginaldo creek probably due to the high load of domestic sewage and to its low capacity to dilute.