A study of the earth dam "monjolinho" watershedIn this paper the authors present the study of the "Monjolinho" earth dam watershed with particular reference of its silting problem. The physical characteristics of the watershed, based on a plane - altimetric survey, are presented. A description of the soil type, vegetative cover, as well as of the changes that took place in the reservoir flood and in the upstream side slope after 7 years of use is given.