The objective of this thesis is to investigate the management of flood peak flows in the lower subbasin Gulch Huaycoloro river, in order to help improve the quality of life of the towns as Cajamarquilla Jicamarca and Huachipa, this research is structured in 4 chapters. The first chapter develops the problem, objectives; hypotheses are shown with their respective variables and justify their relevance and importance of this research.  In the second chapter the conceptual framework and the environmental regulatory framework that supports the decision-making criteria and proposals for conservation and riverine defenses shown.  In the third chapter the methodology used for each objective proposed is described, also the type of research and methods, materials and equipment is detailed, steps in conducting this study. The fourth chapter describes the environmental diagnosis of Huaycol...