This article is about the risk that has its origin in the indiscriminate felling of native species affecting the left bank and right bank on the banks of the river apple trees that occurs almost permanently by people living from environmental exploitation, to this phenomenon you can add the commercialization by these people but causing disaster by the material of river drag in times of winter. This systematic method analysis of literature aims to identify the parameters of vulnerability rating in the stretch between the Villa Alejandría urbanization and the closed set of the minute of God, being the set closed minute of God the most vulnerable to flood risk according to past events According to the level of damage,this will serve to provide strategies to mitigate possible flood risks in the study section.