Adverse effects induced by activities developed in the municipal wastewater treatment plants in the proximity areas

Abstract

Among the many environmental problems facing the society one of the most important is undoubtedly a municipal wastewater treatment. Municipal wastewater treatment plant removes the pollutants from urban wastewater composed of a mixture of domestic wastewater or domestic wastewater mixed with industrial wastewater and / or pluvial waters runoff. Wastewater treatment is beneficial by solving a series of problems that affect the environment but in some cases, contributes to the generating an environmental impact near the sites, considering that policy instruments are improperly applied. The paper presents the results of investigations carried on the quality of soil and water in the areas surrounding of the two municipal wastewater treatment plants, chosen as case studies, from different regions of the country. For those have been achieved diagrams representing the state of pollution in the selected areas. The impact assessment induced in the vicinity of the activities carried out in sewage treatment plants was achieved by interpreting the results of investigations in compliance with specific legislation