Contamination of soil and groundwater has been a relevant issue in the current environmental issues, since these are vital resources for both food production and for the balance of the ecosystem. The process of degradation of these natural sources are calling the attention of society and was accentuated by the continued growth of the cities, because the areas that were destined industries are gradually being occupied by residential buildings, recreational and/or commercial. This change in land use and occupation is a major problem experienced in almost all cities in the world. Amid this reality, this problem, this dissertation will address the case the port area of the city of Rio de Janeiro, who is going through this process due to the works of the Porto Maravilha, which has over years preparing the area to make it more accessible to the population and also to receive the events that are being held in the city as the World Cup that took place in 2014 and the Olympic Games the will take place in 2016. The project Porto Maravilha is preparing the port area, which for many years was a relegated town, to integrate the development process of Rio de Janeiro. The purpose of this project is to promote the restructuring of the site, through the expansion, joint and the requalification of public spaces in the region, aimed at improving the quality of life of current and future residents and environmental and socioeconomic sustainability of the area. The project covers an area of 5 (five) million square meters, located in the Port area of the city of Rio de Janeiro. As discussed throughout the literature, comprising Chapter 2 of this work, the port area is what we call a link between city and port. The city seen port is considered simply a port where incoming and outgoing goods, men and information and city view of the harbor, is considered a haven for sailors, merchants, port refuges boats authorities and a place for loanding and unloanding goods (VILLAÇA, 1996).