The book is a finalization project of the IFRN environmental control technical course, with the objective of evaluating some of the environmental impacts caused by the production of mechanized salt in the municipality of Macau in the state of Rio Grande do Norte. In addition, suggest some mitigating measures and / or compensatory, from the quantification of these impacts. The work was developed through bibliographical research, technical visits to the region of the salt pans of the municipality and also through dialogues with the employees of the companies to obtain knowledge of the processes...