“…Land occupation in areas potentially at risk of mass movements and accelerated erosion in considerable portions of urban areas of the underdeveloped and developing world, indicates that the environmental issue does not receive due attention in various types of territorial planning (ALEXANDER, 1991;(GUPTA & AHMAD, 1999;ANTONY, et al, 2001;BOCCO, et al, 2001;SKILODIMOU, et al, 2003;FOOKES, et al, 2005;PARO & SMITH, 2008;GLADE & CROZIER, 2010;MONTZ & TOBIN, 2011;CASAGRANDE, et al, 2017). That is also the case of the use of river systems for effluent emission, with rivers losing the ability to maintain aquatic ecosystems, with real negative impact on people's quality of life and increasingly difficulties in the catchment of permanent rivers for drinking water.…”