In some countries of the Mediterranean as Algeria, the studies of impacts on the environment, amenities of the pleasure ports have been instituted by the slant of a law (Decree ministerial n° 90-78 of the 27/02/1990 relative to the studies of impact on the environment) on the coastline and they constitute a real tool of hold in account of the environment. In this context we valued in a preliminary way the impact of the extension works of the fishing port of Stora on the marine environment. And it through the analysis of the degree and the nature of pollution of the port’s waters and to the neighborhood of the main beaches of our survey zone
